Prevent evaporation Black & White Stock Photos
. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 2106. A common hybrid form of Garden Rhododendron. are retentive of moisture; (21 plant in masses, at any rate while young, so that they may protect each other and prevent evaporation; (.'!) give the bed a northern exposure or a situation where the force of the midday sun is broken; (4) do not plant under or ne Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/cyclopedia-of-american-horticulture-comprising-suggestions-for-cultivation-of-horticultural-plants-descriptions-of-the-species-of-fruits-vegetables-flowers-and-ornamental-plants-sold-in-the-united-states-and-canada-together-with-geographical-and-biographical-sketches-gardening-2106-a-common-hybrid-form-of-garden-rhododendron-are-retentive-of-moisture-21-plant-in-masses-at-any-rate-while-young-so-that-they-may-protect-each-other-and-prevent-evaporation-!-give-the-bed-a-northern-exposure-or-a-situation-where-the-force-of-the-midday-sun-is-broken-4-do-not-plant-under-or-ne-image232360685.htmlRMRE0XBW–. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 2106. A common hybrid form of Garden Rhododendron. are retentive of moisture; (21 plant in masses, at any rate while young, so that they may protect each other and prevent evaporation; (.'!) give the bed a northern exposure or a situation where the force of the midday sun is broken; (4) do not plant under or ne
. Bacteriology and mycology of foods. Food. Fig. 30.—^Types of Concave Slides and Moist Chambers for Making Hanging Drop and Hanging Block Mounts. is under study. The agar block is then put up on a sterile cover glass in such a way that the cells of the organism will be between agar block and the cover glass, cover slip. About the edge of the cover slip should be placed a small amount of vaseline to hold the slip in place and also to prevent evaporation if the mount is to be incubated- These preparations may be kept for some time if desired. Hill (1902) has discussed the apphcation of this pre Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/bacteriology-and-mycology-of-foods-food-fig-30types-of-concave-slides-and-moist-chambers-for-making-hanging-drop-and-hanging-block-mounts-is-under-study-the-agar-block-is-then-put-up-on-a-sterile-cover-glass-in-such-a-way-that-the-cells-of-the-organism-will-be-between-agar-block-and-the-cover-glass-cover-slip-about-the-edge-of-the-cover-slip-should-be-placed-a-small-amount-of-vaseline-to-hold-the-slip-in-place-and-also-to-prevent-evaporation-if-the-mount-is-to-be-incubated-these-preparations-may-be-kept-for-some-time-if-desired-hill-1902-has-discussed-the-apphcation-of-this-pre-image216324135.htmlRMPFXBHY–. Bacteriology and mycology of foods. Food. Fig. 30.—^Types of Concave Slides and Moist Chambers for Making Hanging Drop and Hanging Block Mounts. is under study. The agar block is then put up on a sterile cover glass in such a way that the cells of the organism will be between agar block and the cover glass, cover slip. About the edge of the cover slip should be placed a small amount of vaseline to hold the slip in place and also to prevent evaporation if the mount is to be incubated- These preparations may be kept for some time if desired. Hill (1902) has discussed the apphcation of this pre
few sheets of paraffine-impregnated or otherwise pre pared paper and roll with the material. This will prevent the sticking. It will also prevent the fading of the colors or gloss by keeping out air and moisture ; the evaporation df the oil is likewise prevented to a great extent., scientific american, 1889-12-07 Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/few-sheets-of-paraffine-impregnated-or-otherwise-pre-pared-paper-and-roll-with-the-material-this-will-prevent-the-sticking-it-will-also-prevent-the-fading-of-the-colors-or-gloss-by-keeping-out-air-and-moisture-the-evaporation-df-the-oil-is-likewise-prevented-to-a-great-extent-scientific-american-1889-12-07-image334333309.htmlRM2ABX5F9–few sheets of paraffine-impregnated or otherwise pre pared paper and roll with the material. This will prevent the sticking. It will also prevent the fading of the colors or gloss by keeping out air and moisture ; the evaporation df the oil is likewise prevented to a great extent., scientific american, 1889-12-07
![. Successful farming [microform] : how to farm for profit : the latest methods. Agriculture; Gardening; Farm management; Livestock; Agriculture; Jardinage; Exploitations agricoles; Bétail. SPRIXG CULTIVATION <70R ROOTS. 59 the moisture from below will rise to the surface, and to prevent evaporation the surface must be loosened. A very satisfactory implement for this work is the " Breed Weeder " (see 111. 32) which will cover two drills. It is advisable to Pulverize the Surface. take out the two teeth that come in the centre of each drill, so that the seed will not be dis- turbed. Stock Photo](https://c8.alamy.com/comp/RJ487X/successful-farming-microform-how-to-farm-for-profit-the-latest-methods-agriculture-gardening-farm-management-livestock-agriculture-jardinage-exploitations-agricoles-btail-sprixg-cultivation-lt70r-roots-59-the-moisture-from-below-will-rise-to-the-surface-and-to-prevent-evaporation-the-surface-must-be-loosened-a-very-satisfactory-implement-for-this-work-is-the-quot-breed-weeder-quot-see-111-32-which-will-cover-two-drills-it-is-advisable-to-pulverize-the-surface-take-out-the-two-teeth-that-come-in-the-centre-of-each-drill-so-that-the-seed-will-not-be-dis-turbed-RJ487X.jpg ". Successful farming [microform] : how to farm for profit : the latest methods. Agriculture; Gardening; Farm management; Livestock; Agriculture; Jardinage; Exploitations agricoles; Bétail. SPRIXG CULTIVATION <70R ROOTS. 59 the moisture from below will rise to the surface, and to prevent evaporation the surface must be loosened. A very satisfactory implement for this work is the " Breed Weeder " (see 111. 32) which will cover two drills. It is advisable to Pulverize the Surface. take out the two teeth that come in the centre of each drill, so that the seed will not be dis- turbed. Stock Photo")
. Successful farming [microform] : how to farm for profit : the latest methods. Agriculture; Gardening; Farm management; Livestock; Agriculture; Jardinage; Exploitations agricoles; Bétail. SPRIXG CULTIVATION <70R ROOTS. 59 the moisture from below will rise to the surface, and to prevent evaporation the surface must be loosened. A very satisfactory implement for this work is the " Breed Weeder " (see 111. 32) which will cover two drills. It is advisable to Pulverize the Surface. take out the two teeth that come in the centre of each drill, so that the seed will not be dis- turbed. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/successful-farming-microform-how-to-farm-for-profit-the-latest-methods-agriculture-gardening-farm-management-livestock-agriculture-jardinage-exploitations-agricoles-btail-sprixg-cultivation-lt70r-roots-59-the-moisture-from-below-will-rise-to-the-surface-and-to-prevent-evaporation-the-surface-must-be-loosened-a-very-satisfactory-implement-for-this-work-is-the-quot-breed-weeder-quot-see-111-32-which-will-cover-two-drills-it-is-advisable-to-pulverize-the-surface-take-out-the-two-teeth-that-come-in-the-centre-of-each-drill-so-that-the-seed-will-not-be-dis-turbed-image234892894.htmlRMRJ487X–. Successful farming [microform] : how to farm for profit : the latest methods. Agriculture; Gardening; Farm management; Livestock; Agriculture; Jardinage; Exploitations agricoles; Bétail. SPRIXG CULTIVATION <70R ROOTS. 59 the moisture from below will rise to the surface, and to prevent evaporation the surface must be loosened. A very satisfactory implement for this work is the " Breed Weeder " (see 111. 32) which will cover two drills. It is advisable to Pulverize the Surface. take out the two teeth that come in the centre of each drill, so that the seed will not be dis- turbed.
. Nature-study; a manual for teachers and students. Nature study. LESSONS WITH PLANTS 3^5 a plant cannot supply itself rapidly enough with fresh water from the roots it wilts. Place a cherry, maple, or other leafy twig in a bottle of water. Note the height of the water. Close the mouth of the bottle to prevent evaporation. Note the rate at which the twig absorbs the water and the leaves give it off to the air. This current of water flowing through the plant is neces-. FlG, ii8. Transpiration. sary, in order that fresh mineral matter may be brought in from the soil for the nourishment of the pl Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/nature-study-a-manual-for-teachers-and-students-nature-study-lessons-with-plants-35-a-plant-cannot-supply-itself-rapidly-enough-with-fresh-water-from-the-roots-it-wilts-place-a-cherry-maple-or-other-leafy-twig-in-a-bottle-of-water-note-the-height-of-the-water-close-the-mouth-of-the-bottle-to-prevent-evaporation-note-the-rate-at-which-the-twig-absorbs-the-water-and-the-leaves-give-it-off-to-the-air-this-current-of-water-flowing-through-the-plant-is-neces-flg-ii8-transpiration-sary-in-order-that-fresh-mineral-matter-may-be-brought-in-from-the-soil-for-the-nourishment-of-the-pl-image216444401.htmlRMPG3W15–. Nature-study; a manual for teachers and students. Nature study. LESSONS WITH PLANTS 3^5 a plant cannot supply itself rapidly enough with fresh water from the roots it wilts. Place a cherry, maple, or other leafy twig in a bottle of water. Note the height of the water. Close the mouth of the bottle to prevent evaporation. Note the rate at which the twig absorbs the water and the leaves give it off to the air. This current of water flowing through the plant is neces-. FlG, ii8. Transpiration. sary, in order that fresh mineral matter may be brought in from the soil for the nourishment of the pl
. Dairy chemistry; a practical handbook for dairy chemists and others having control of dairies. Agricultural chemistry; Milk. CREAM. 265 evaporation of the water has been afforded, either by leaving the cream on the surface of the milk for some length of time in a dry atmosphere, or by pasteurising it, without any precautions to prevent evaporation ; indeed, evidence of evaporation has been obtained by noting the quantity of cream before and after pasteurising. In cases where precautions have been taken to prevent evaporation, no evidence of a higher ratio has been obtained. In the following Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/dairy-chemistry-a-practical-handbook-for-dairy-chemists-and-others-having-control-of-dairies-agricultural-chemistry-milk-cream-265-evaporation-of-the-water-has-been-afforded-either-by-leaving-the-cream-on-the-surface-of-the-milk-for-some-length-of-time-in-a-dry-atmosphere-or-by-pasteurising-it-without-any-precautions-to-prevent-evaporation-indeed-evidence-of-evaporation-has-been-obtained-by-noting-the-quantity-of-cream-before-and-after-pasteurising-in-cases-where-precautions-have-been-taken-to-prevent-evaporation-no-evidence-of-a-higher-ratio-has-been-obtained-in-the-following-image232337887.htmlRMRDYW9K–. Dairy chemistry; a practical handbook for dairy chemists and others having control of dairies. Agricultural chemistry; Milk. CREAM. 265 evaporation of the water has been afforded, either by leaving the cream on the surface of the milk for some length of time in a dry atmosphere, or by pasteurising it, without any precautions to prevent evaporation ; indeed, evidence of evaporation has been obtained by noting the quantity of cream before and after pasteurising. In cases where precautions have been taken to prevent evaporation, no evidence of a higher ratio has been obtained. In the following
. Elements of botany. Botany; Botany. 156 ELEMENTS OP BOTANY. a bell glass, with a wet cloth or sponge, to prevent evaporation of the syrup, and set aside in a warm place, or merely put some pollen in syrup in a watch crystal under the bell glass. Examine from time to time to note the appearance of the pollen tubes. Try several kinds of pollen if possible, using syrups of various strengths. The following kinds of pollen form tubes readily in syrups of the strengths indicated : Tulip 1 to 3 per cent. Narcissus 3 to 5 Cytisus Canariensis (called Genista by ilorists) 15 Chinese primrose ... 10 Sw Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/elements-of-botany-botany-botany-156-elements-op-botany-a-bell-glass-with-a-wet-cloth-or-sponge-to-prevent-evaporation-of-the-syrup-and-set-aside-in-a-warm-place-or-merely-put-some-pollen-in-syrup-in-a-watch-crystal-under-the-bell-glass-examine-from-time-to-time-to-note-the-appearance-of-the-pollen-tubes-try-several-kinds-of-pollen-if-possible-using-syrups-of-various-strengths-the-following-kinds-of-pollen-form-tubes-readily-in-syrups-of-the-strengths-indicated-tulip-1-to-3-per-cent-narcissus-3-to-5-cytisus-canariensis-called-genista-by-ilorists-15-chinese-primrose-10-sw-image216448409.htmlRMPG4249–. Elements of botany. Botany; Botany. 156 ELEMENTS OP BOTANY. a bell glass, with a wet cloth or sponge, to prevent evaporation of the syrup, and set aside in a warm place, or merely put some pollen in syrup in a watch crystal under the bell glass. Examine from time to time to note the appearance of the pollen tubes. Try several kinds of pollen if possible, using syrups of various strengths. The following kinds of pollen form tubes readily in syrups of the strengths indicated : Tulip 1 to 3 per cent. Narcissus 3 to 5 Cytisus Canariensis (called Genista by ilorists) 15 Chinese primrose ... 10 Sw
. Clinical bacteriology and haematology for practitioners. Bacteriology; Hematology. 36 CLINICAL BACTERIOLOGY AND HEMATOLOGY examine the serum for some time seal the other end to prevent evaporation. When the blood has coagulated it will begin to contract away. Fig. i6 from the sides of the tube, the serum being forced out of the clot. When this process is complete there will be a central dark- coloured clot suspended in clear serum. The tube can now be. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and a Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/clinical-bacteriology-and-haematology-for-practitioners-bacteriology-hematology-36-clinical-bacteriology-and-hematology-examine-the-serum-for-some-time-seal-the-other-end-to-prevent-evaporation-when-the-blood-has-coagulated-it-will-begin-to-contract-away-fig-i6-from-the-sides-of-the-tube-the-serum-being-forced-out-of-the-clot-when-this-process-is-complete-there-will-be-a-central-dark-coloured-clot-suspended-in-clear-serum-the-tube-can-now-be-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-a-image232433060.htmlRMRE46MM–. Clinical bacteriology and haematology for practitioners. Bacteriology; Hematology. 36 CLINICAL BACTERIOLOGY AND HEMATOLOGY examine the serum for some time seal the other end to prevent evaporation. When the blood has coagulated it will begin to contract away. Fig. i6 from the sides of the tube, the serum being forced out of the clot. When this process is complete there will be a central dark- coloured clot suspended in clear serum. The tube can now be. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and a
. Elements of botany. Botany; Botany. 110 ELEMENTS OP BOTANY. later, but it will make matters simpler to state at once that the epidermis serves as a mechanical protection to the parts beneath and prevents excessive evaporation, that the palisade cells (which it may not be easy to make out very clearly in a roughly prepared section) help to prevent too rapid evapora- tion of sap from the leaf when exposed to excessive dryness, heat, and direct sunlight, and that they hold large quantities of the green coloring-matter of the leaf in a position where it. I II Fie. 97. —Epidermis of Leaf of Alths Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/elements-of-botany-botany-botany-110-elements-op-botany-later-but-it-will-make-matters-simpler-to-state-at-once-that-the-epidermis-serves-as-a-mechanical-protection-to-the-parts-beneath-and-prevents-excessive-evaporation-that-the-palisade-cells-which-it-may-not-be-easy-to-make-out-very-clearly-in-a-roughly-prepared-section-help-to-prevent-too-rapid-evapora-tion-of-sap-from-the-leaf-when-exposed-to-excessive-dryness-heat-and-direct-sunlight-and-that-they-hold-large-quantities-of-the-green-coloring-matter-of-the-leaf-in-a-position-where-it-i-ii-fie-97-epidermis-of-leaf-of-alths-image216448608.htmlRMPG42BC–. Elements of botany. Botany; Botany. 110 ELEMENTS OP BOTANY. later, but it will make matters simpler to state at once that the epidermis serves as a mechanical protection to the parts beneath and prevents excessive evaporation, that the palisade cells (which it may not be easy to make out very clearly in a roughly prepared section) help to prevent too rapid evapora- tion of sap from the leaf when exposed to excessive dryness, heat, and direct sunlight, and that they hold large quantities of the green coloring-matter of the leaf in a position where it. I II Fie. 97. —Epidermis of Leaf of Alths
. A text-book of bacteriology, including the etiology and prevention of infective diseases and a short account of yeasts, and moulds, haematazoa, and psorosperms. Bacteriology. 124 BACTERIOLOGY. middle, half an inch in diameter, and is fastened to an ordinary slide with seahng-wax. The drop to be examined is placed on a large-sized cover-glass and covered with a smaller one. Ohve oil or vaseline is painted round the edge of the smaller cover-glass to prevent evaporation, and the preparation is placed over the aperture in the plate. The slide bearing the copper plate is clamped to the stage of. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-text-book-of-bacteriology-including-the-etiology-and-prevention-of-infective-diseases-and-a-short-account-of-yeasts-and-moulds-haematazoa-and-psorosperms-bacteriology-124-bacteriology-middle-half-an-inch-in-diameter-and-is-fastened-to-an-ordinary-slide-with-seahng-wax-the-drop-to-be-examined-is-placed-on-a-large-sized-cover-glass-and-covered-with-a-smaller-one-ohve-oil-or-vaseline-is-painted-round-the-edge-of-the-smaller-cover-glass-to-prevent-evaporation-and-the-preparation-is-placed-over-the-aperture-in-the-plate-the-slide-bearing-the-copper-plate-is-clamped-to-the-stage-of-image232441538.htmlRMRE4HFE–. A text-book of bacteriology, including the etiology and prevention of infective diseases and a short account of yeasts, and moulds, haematazoa, and psorosperms. Bacteriology. 124 BACTERIOLOGY. middle, half an inch in diameter, and is fastened to an ordinary slide with seahng-wax. The drop to be examined is placed on a large-sized cover-glass and covered with a smaller one. Ohve oil or vaseline is painted round the edge of the smaller cover-glass to prevent evaporation, and the preparation is placed over the aperture in the plate. The slide bearing the copper plate is clamped to the stage of.
. Insect life; an introduction to nature study and a guide for teachers, students and others interested in out-of-door life. Entomology; Nature study. Fig. 292.—Duckweed. Watercress, Nasturtium officinale. Stoneworts, Chara and Nitella (several species of each). Frog-spittle or water-silk, Spirogira. A small quantity of duckweed, Lemna (Fig. 292), placed on the surface of the water adds to the beauty of an aquarium. When it is necessary to add water to an aqua- rium on account of loss by evaporation, rain wa- ter should be used to prevent an undue ac- cumulation of the mineral matter held in s Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/insect-life-an-introduction-to-nature-study-and-a-guide-for-teachers-students-and-others-interested-in-out-of-door-life-entomology-nature-study-fig-292duckweed-watercress-nasturtium-officinale-stoneworts-chara-and-nitella-several-species-of-each-frog-spittle-or-water-silk-spirogira-a-small-quantity-of-duckweed-lemna-fig-292-placed-on-the-surface-of-the-water-adds-to-the-beauty-of-an-aquarium-when-it-is-necessary-to-add-water-to-an-aqua-rium-on-account-of-loss-by-evaporation-rain-wa-ter-should-be-used-to-prevent-an-undue-ac-cumulation-of-the-mineral-matter-held-in-s-image216406826.htmlRMPG2536–. Insect life; an introduction to nature study and a guide for teachers, students and others interested in out-of-door life. Entomology; Nature study. Fig. 292.—Duckweed. Watercress, Nasturtium officinale. Stoneworts, Chara and Nitella (several species of each). Frog-spittle or water-silk, Spirogira. A small quantity of duckweed, Lemna (Fig. 292), placed on the surface of the water adds to the beauty of an aquarium. When it is necessary to add water to an aqua- rium on account of loss by evaporation, rain wa- ter should be used to prevent an undue ac- cumulation of the mineral matter held in s
![. Clinical bacteriology and haematology for practitioners. Bacteriology; Hematology. INCUBATION OF CULTURES 21 Another method I have recently adopted is to use a "Thermos " flask, or, what comes to the same thing, a Dewar's liquid air flask. This is nearly filled with water at a temperature of about 40° C. and the culture-tube inserted. If a Thermos is used the cap is then applied, if a Dewar's flask a few drops of oil are placed on the surface of the water (to prevent evaporation, which greatly hastens the process of cooling). The water and culture- tube cool very gradually, and mos Stock Photo](https://c8.alamy.com/comp/RE46TT/clinical-bacteriology-and-haematology-for-practitioners-bacteriology-hematology-incubation-of-cultures-21-another-method-i-have-recently-adopted-is-to-use-a-quotthermos-quot-flask-or-what-comes-to-the-same-thing-a-dewars-liquid-air-flask-this-is-nearly-filled-with-water-at-a-temperature-of-about-40-c-and-the-culture-tube-inserted-if-a-thermos-is-used-the-cap-is-then-applied-if-a-dewars-flask-a-few-drops-of-oil-are-placed-on-the-surface-of-the-water-to-prevent-evaporation-which-greatly-hastens-the-process-of-cooling-the-water-and-culture-tube-cool-very-gradually-and-mos-RE46TT.jpg ". Clinical bacteriology and haematology for practitioners. Bacteriology; Hematology. INCUBATION OF CULTURES 21 Another method I have recently adopted is to use a "Thermos " flask, or, what comes to the same thing, a Dewar's liquid air flask. This is nearly filled with water at a temperature of about 40° C. and the culture-tube inserted. If a Thermos is used the cap is then applied, if a Dewar's flask a few drops of oil are placed on the surface of the water (to prevent evaporation, which greatly hastens the process of cooling). The water and culture- tube cool very gradually, and mos Stock Photo")
. Clinical bacteriology and haematology for practitioners. Bacteriology; Hematology. INCUBATION OF CULTURES 21 Another method I have recently adopted is to use a "Thermos " flask, or, what comes to the same thing, a Dewar's liquid air flask. This is nearly filled with water at a temperature of about 40° C. and the culture-tube inserted. If a Thermos is used the cap is then applied, if a Dewar's flask a few drops of oil are placed on the surface of the water (to prevent evaporation, which greatly hastens the process of cooling). The water and culture- tube cool very gradually, and mos Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/clinical-bacteriology-and-haematology-for-practitioners-bacteriology-hematology-incubation-of-cultures-21-another-method-i-have-recently-adopted-is-to-use-a-quotthermos-quot-flask-or-what-comes-to-the-same-thing-a-dewars-liquid-air-flask-this-is-nearly-filled-with-water-at-a-temperature-of-about-40-c-and-the-culture-tube-inserted-if-a-thermos-is-used-the-cap-is-then-applied-if-a-dewars-flask-a-few-drops-of-oil-are-placed-on-the-surface-of-the-water-to-prevent-evaporation-which-greatly-hastens-the-process-of-cooling-the-water-and-culture-tube-cool-very-gradually-and-mos-image232433176.htmlRMRE46TT–. Clinical bacteriology and haematology for practitioners. Bacteriology; Hematology. INCUBATION OF CULTURES 21 Another method I have recently adopted is to use a "Thermos " flask, or, what comes to the same thing, a Dewar's liquid air flask. This is nearly filled with water at a temperature of about 40° C. and the culture-tube inserted. If a Thermos is used the cap is then applied, if a Dewar's flask a few drops of oil are placed on the surface of the water (to prevent evaporation, which greatly hastens the process of cooling). The water and culture- tube cool very gradually, and mos
. Beginners' botany. Botany. Fig. 160. — Cutting-box. The stem of the cutting is inserted one third or more its length in clean sand or gravel, and the eartli is pressed firmly about it. A newspaper may be laid over the bed to ex- clude the light — if the sun strikes it—and to prevent too rapid evaporation. The soil should be moist clear through, not on top only. Loose sandy or gravelly soil is used. Sand used by masons is good material in which to start most cuttings; or fine gravel — sifted of most of its earthy matter—may be used. Soils are avoided which contain much decay- ing organic matt Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/beginners-botany-botany-fig-160-cutting-box-the-stem-of-the-cutting-is-inserted-one-third-or-more-its-length-in-clean-sand-or-gravel-and-the-eartli-is-pressed-firmly-about-it-a-newspaper-may-be-laid-over-the-bed-to-ex-clude-the-light-if-the-sun-strikes-itand-to-prevent-too-rapid-evaporation-the-soil-should-be-moist-clear-through-not-on-top-only-loose-sandy-or-gravelly-soil-is-used-sand-used-by-masons-is-good-material-in-which-to-start-most-cuttings-or-fine-gravel-sifted-of-most-of-its-earthy-mattermay-be-used-soils-are-avoided-which-contain-much-decay-ing-organic-matt-image216407906.htmlRMPG26DP–. Beginners' botany. Botany. Fig. 160. — Cutting-box. The stem of the cutting is inserted one third or more its length in clean sand or gravel, and the eartli is pressed firmly about it. A newspaper may be laid over the bed to ex- clude the light — if the sun strikes it—and to prevent too rapid evaporation. The soil should be moist clear through, not on top only. Loose sandy or gravelly soil is used. Sand used by masons is good material in which to start most cuttings; or fine gravel — sifted of most of its earthy matter—may be used. Soils are avoided which contain much decay- ing organic matt
. School and home gardening; a text book for young people, with plans, suggestions and helps for teachers, club leaders and organizers. Gardening; School gardens. BEAUTIFYING GROUNDS 137. the soil should be pressed firmly about the plant to cause a supply of moisture to reach the roots. Watering at trans- planting time is always advisable because it washes the soil particles together and also supplies needed moisture. Ee- moval of a few leaves, if the plants be green ones, is sometimes necessary. This is to prevent evaporation taking place more rapidly than the roots can take up water. 3. Heel Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/school-and-home-gardening-a-text-book-for-young-people-with-plans-suggestions-and-helps-for-teachers-club-leaders-and-organizers-gardening-school-gardens-beautifying-grounds-137-the-soil-should-be-pressed-firmly-about-the-plant-to-cause-a-supply-of-moisture-to-reach-the-roots-watering-at-trans-planting-time-is-always-advisable-because-it-washes-the-soil-particles-together-and-also-supplies-needed-moisture-ee-moval-of-a-few-leaves-if-the-plants-be-green-ones-is-sometimes-necessary-this-is-to-prevent-evaporation-taking-place-more-rapidly-than-the-roots-can-take-up-water-3-heel-image232423134.htmlRMRE3P26–. School and home gardening; a text book for young people, with plans, suggestions and helps for teachers, club leaders and organizers. Gardening; School gardens. BEAUTIFYING GROUNDS 137. the soil should be pressed firmly about the plant to cause a supply of moisture to reach the roots. Watering at trans- planting time is always advisable because it washes the soil particles together and also supplies needed moisture. Ee- moval of a few leaves, if the plants be green ones, is sometimes necessary. This is to prevent evaporation taking place more rapidly than the roots can take up water. 3. Heel
. Beginners' botany. Botany. BUD PROPAGATION 123. Fig. 160. — Cutting-box. The stem of the cutting is inserted one third or more its length in clean sand or gravel, and the eartli is pressed firmly about it. A newspaper may be laid over the bed to ex- clude the light — if the sun strikes it—and to prevent too rapid evaporation. The soil should be moist clear through, not on top only. Loose sandy or gravelly soil is used. Sand used by masons is good material in which to start most cuttings; or fine gravel — sifted of most of its earthy matter—may be used. Soils are avoided which contain much de Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/beginners-botany-botany-bud-propagation-123-fig-160-cutting-box-the-stem-of-the-cutting-is-inserted-one-third-or-more-its-length-in-clean-sand-or-gravel-and-the-eartli-is-pressed-firmly-about-it-a-newspaper-may-be-laid-over-the-bed-to-ex-clude-the-light-if-the-sun-strikes-itand-to-prevent-too-rapid-evaporation-the-soil-should-be-moist-clear-through-not-on-top-only-loose-sandy-or-gravelly-soil-is-used-sand-used-by-masons-is-good-material-in-which-to-start-most-cuttings-or-fine-gravel-sifted-of-most-of-its-earthy-mattermay-be-used-soils-are-avoided-which-contain-much-de-image216407911.htmlRMPG26DY–. Beginners' botany. Botany. BUD PROPAGATION 123. Fig. 160. — Cutting-box. The stem of the cutting is inserted one third or more its length in clean sand or gravel, and the eartli is pressed firmly about it. A newspaper may be laid over the bed to ex- clude the light — if the sun strikes it—and to prevent too rapid evaporation. The soil should be moist clear through, not on top only. Loose sandy or gravelly soil is used. Sand used by masons is good material in which to start most cuttings; or fine gravel — sifted of most of its earthy matter—may be used. Soils are avoided which contain much de
. Bacteriology and mycology of foods. Food. Fig. 30.—^Types of Concave Slides and Moist Chambers for Making Hanging Drop and Hanging Block Mounts. is under study. The agar block is then put up on a sterile cover glass in such a way that the cells of the organism will be between agar block and the cover glass, cover slip. About the edge of the cover slip should be placed a small amount of vaseline to hold the slip in place and also to prevent evaporation if the mount is to be incubated- These preparations may be kept for some time if desired. Hill (1902) has discussed the apphcation of this pre Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/bacteriology-and-mycology-of-foods-food-fig-30types-of-concave-slides-and-moist-chambers-for-making-hanging-drop-and-hanging-block-mounts-is-under-study-the-agar-block-is-then-put-up-on-a-sterile-cover-glass-in-such-a-way-that-the-cells-of-the-organism-will-be-between-agar-block-and-the-cover-glass-cover-slip-about-the-edge-of-the-cover-slip-should-be-placed-a-small-amount-of-vaseline-to-hold-the-slip-in-place-and-also-to-prevent-evaporation-if-the-mount-is-to-be-incubated-these-preparations-may-be-kept-for-some-time-if-desired-hill-1902-has-discussed-the-apphcation-of-this-pre-image231892220.htmlRMRD7GW0–. Bacteriology and mycology of foods. Food. Fig. 30.—^Types of Concave Slides and Moist Chambers for Making Hanging Drop and Hanging Block Mounts. is under study. The agar block is then put up on a sterile cover glass in such a way that the cells of the organism will be between agar block and the cover glass, cover slip. About the edge of the cover slip should be placed a small amount of vaseline to hold the slip in place and also to prevent evaporation if the mount is to be incubated- These preparations may be kept for some time if desired. Hill (1902) has discussed the apphcation of this pre
. Insect life; an introduction to nature study and a guide for teachers, students and others interested in out-of-door life. Entomology; Nature study. THE BREEDING OF INSECTS. 331. Fig. 292.—Duckweed. Watercress, Nasturtium officinale. Stoneworts, Chara and Nitella (several species of each). Frog-spittle or water-silk, Spirogira. A small quantity of duckweed, Lemna (Fig. 292), placed on the surface of the water adds to the beauty of an aquarium. When it is necessary to add water to an aqua- rium on account of loss by evaporation, rain wa- ter should be used to prevent an undue ac- cumulation o Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/insect-life-an-introduction-to-nature-study-and-a-guide-for-teachers-students-and-others-interested-in-out-of-door-life-entomology-nature-study-the-breeding-of-insects-331-fig-292duckweed-watercress-nasturtium-officinale-stoneworts-chara-and-nitella-several-species-of-each-frog-spittle-or-water-silk-spirogira-a-small-quantity-of-duckweed-lemna-fig-292-placed-on-the-surface-of-the-water-adds-to-the-beauty-of-an-aquarium-when-it-is-necessary-to-add-water-to-an-aqua-rium-on-account-of-loss-by-evaporation-rain-wa-ter-should-be-used-to-prevent-an-undue-ac-cumulation-o-image216406832.htmlRMPG253C–. Insect life; an introduction to nature study and a guide for teachers, students and others interested in out-of-door life. Entomology; Nature study. THE BREEDING OF INSECTS. 331. Fig. 292.—Duckweed. Watercress, Nasturtium officinale. Stoneworts, Chara and Nitella (several species of each). Frog-spittle or water-silk, Spirogira. A small quantity of duckweed, Lemna (Fig. 292), placed on the surface of the water adds to the beauty of an aquarium. When it is necessary to add water to an aqua- rium on account of loss by evaporation, rain wa- ter should be used to prevent an undue ac- cumulation o
. The essentials of botany. Botany. PLANT PR78I0L0GY. 105 by tbe more rapid wilting) than from the uninjured leaf. This shows that the epidermis and its breathing-pores retard evaporation. (f) Lilac-leaves have breathing pores upon their lower surfaces alone. Provide two leaves : cover the lower surface of one with a thin coat of varnish, which will prevent evaporation through the breathing-pores ; suspend both in a current of dry air, and note that the one not varnished withers sooner than the other. Make the varnish by heating together equal parts of bees- wax and lard. {g) Cotton-wood leave Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-essentials-of-botany-botany-plant-pr78i0l0gy-105-by-tbe-more-rapid-wilting-than-from-the-uninjured-leaf-this-shows-that-the-epidermis-and-its-breathing-pores-retard-evaporation-f-lilac-leaves-have-breathing-pores-upon-their-lower-surfaces-alone-provide-two-leaves-cover-the-lower-surface-of-one-with-a-thin-coat-of-varnish-which-will-prevent-evaporation-through-the-breathing-pores-suspend-both-in-a-current-of-dry-air-and-note-that-the-one-not-varnished-withers-sooner-than-the-other-make-the-varnish-by-heating-together-equal-parts-of-bees-wax-and-lard-g-cotton-wood-leave-image232327807.htmlRMRDYCDK–. The essentials of botany. Botany. PLANT PR78I0L0GY. 105 by tbe more rapid wilting) than from the uninjured leaf. This shows that the epidermis and its breathing-pores retard evaporation. (f) Lilac-leaves have breathing pores upon their lower surfaces alone. Provide two leaves : cover the lower surface of one with a thin coat of varnish, which will prevent evaporation through the breathing-pores ; suspend both in a current of dry air, and note that the one not varnished withers sooner than the other. Make the varnish by heating together equal parts of bees- wax and lard. {g) Cotton-wood leave
![. Alpine flowers for English gardens . Mountain plants. ALPINE FLOWERS. Part I. tions between the soil and rock) sooner or later. The same principle applies to small stones and fissures. " To prevent undue evaporation in the case of such .fissures as M, stones, larger or smaller, may be laid on the top of the soil (as in M, Fig. 11), care being taken not to cover too much of it, to the exclusion of rain.. Right Wrong " Where a large fissure exists (as in Fig. 12), the smaller pieces of stone in it are on this account best placed with the narrowest edge or point upwards—not downwards. Stock Photo](https://c8.alamy.com/comp/PG1Y3W/alpine-flowers-for-english-gardens-mountain-plants-alpine-flowers-part-i-tions-between-the-soil-and-rock-sooner-or-later-the-same-principle-applies-to-small-stones-and-fissures-quot-to-prevent-undue-evaporation-in-the-case-of-such-fissures-as-m-stones-larger-or-smaller-may-be-laid-on-the-top-of-the-soil-as-in-m-fig-11-care-being-taken-not-to-cover-too-much-of-it-to-the-exclusion-of-rain-right-wrong-quot-where-a-large-fissure-exists-as-in-fig-12-the-smaller-pieces-of-stone-in-it-are-on-this-account-best-placed-with-the-narrowest-edge-or-point-upwardsnot-downwards-PG1Y3W.jpg ". Alpine flowers for English gardens . Mountain plants. ALPINE FLOWERS. Part I. tions between the soil and rock) sooner or later. The same principle applies to small stones and fissures. " To prevent undue evaporation in the case of such .fissures as M, stones, larger or smaller, may be laid on the top of the soil (as in M, Fig. 11), care being taken not to cover too much of it, to the exclusion of rain.. Right Wrong " Where a large fissure exists (as in Fig. 12), the smaller pieces of stone in it are on this account best placed with the narrowest edge or point upwards—not downwards. Stock Photo")
. Alpine flowers for English gardens . Mountain plants. ALPINE FLOWERS. Part I. tions between the soil and rock) sooner or later. The same principle applies to small stones and fissures. " To prevent undue evaporation in the case of such .fissures as M, stones, larger or smaller, may be laid on the top of the soil (as in M, Fig. 11), care being taken not to cover too much of it, to the exclusion of rain.. Right Wrong " Where a large fissure exists (as in Fig. 12), the smaller pieces of stone in it are on this account best placed with the narrowest edge or point upwards—not downwards. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/alpine-flowers-for-english-gardens-mountain-plants-alpine-flowers-part-i-tions-between-the-soil-and-rock-sooner-or-later-the-same-principle-applies-to-small-stones-and-fissures-quot-to-prevent-undue-evaporation-in-the-case-of-such-fissures-as-m-stones-larger-or-smaller-may-be-laid-on-the-top-of-the-soil-as-in-m-fig-11-care-being-taken-not-to-cover-too-much-of-it-to-the-exclusion-of-rain-right-wrong-quot-where-a-large-fissure-exists-as-in-fig-12-the-smaller-pieces-of-stone-in-it-are-on-this-account-best-placed-with-the-narrowest-edge-or-point-upwardsnot-downwards-image216402141.htmlRMPG1Y3W–. Alpine flowers for English gardens . Mountain plants. ALPINE FLOWERS. Part I. tions between the soil and rock) sooner or later. The same principle applies to small stones and fissures. " To prevent undue evaporation in the case of such .fissures as M, stones, larger or smaller, may be laid on the top of the soil (as in M, Fig. 11), care being taken not to cover too much of it, to the exclusion of rain.. Right Wrong " Where a large fissure exists (as in Fig. 12), the smaller pieces of stone in it are on this account best placed with the narrowest edge or point upwards—not downwards.
![. Forests and trees [microform]. Forests and forestry; Forêts et sylviculture; Trees; Arbres. )ltl Tree Growing «, should be removed about the base of the trunk, making a basin, and a pail or more of water poured about the roots and allowed to soak in. The surface soil should then be replaced and raked loosely about the base as a mulch to prevent evaporation. For newlv transplanted trees, even. 4- — Trees (;rowing in Sod. Brandon Normal School. m dr>- weather, once in two weeks should be often enough to water. Good cultivaiion of the ground, however is necessary. Figures 14 and 15 show two Stock Photo](https://c8.alamy.com/comp/RENBET/forests-and-trees-microform-forests-and-forestry-forts-et-sylviculture-trees-arbres-ltl-tree-growing-should-be-removed-about-the-base-of-the-trunk-making-a-basin-and-a-pail-or-more-of-water-poured-about-the-roots-and-allowed-to-soak-in-the-surface-soil-should-then-be-replaced-and-raked-loosely-about-the-base-as-a-mulch-to-prevent-evaporation-for-newlv-transplanted-trees-even-4-trees-rowing-in-sod-brandon-normal-school-m-drgt-weather-once-in-two-weeks-should-be-often-enough-to-water-good-cultivaiion-of-the-ground-however-is-necessary-figures-14-and-15-show-two-RENBET.jpg ". Forests and trees [microform]. Forests and forestry; Forêts et sylviculture; Trees; Arbres. )ltl Tree Growing «, should be removed about the base of the trunk, making a basin, and a pail or more of water poured about the roots and allowed to soak in. The surface soil should then be replaced and raked loosely about the base as a mulch to prevent evaporation. For newlv transplanted trees, even. 4- — Trees (;rowing in Sod. Brandon Normal School. m dr>- weather, once in two weeks should be often enough to water. Good cultivaiion of the ground, however is necessary. Figures 14 and 15 show two Stock Photo")
. Forests and trees [microform]. Forests and forestry; Forêts et sylviculture; Trees; Arbres. )ltl Tree Growing «, should be removed about the base of the trunk, making a basin, and a pail or more of water poured about the roots and allowed to soak in. The surface soil should then be replaced and raked loosely about the base as a mulch to prevent evaporation. For newlv transplanted trees, even. 4- — Trees (;rowing in Sod. Brandon Normal School. m dr>- weather, once in two weeks should be often enough to water. Good cultivaiion of the ground, however is necessary. Figures 14 and 15 show two Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/forests-and-trees-microform-forests-and-forestry-forts-et-sylviculture-trees-arbres-ltl-tree-growing-should-be-removed-about-the-base-of-the-trunk-making-a-basin-and-a-pail-or-more-of-water-poured-about-the-roots-and-allowed-to-soak-in-the-surface-soil-should-then-be-replaced-and-raked-loosely-about-the-base-as-a-mulch-to-prevent-evaporation-for-newlv-transplanted-trees-even-4-trees-rowing-in-sod-brandon-normal-school-m-drgt-weather-once-in-two-weeks-should-be-often-enough-to-water-good-cultivaiion-of-the-ground-however-is-necessary-figures-14-and-15-show-two-image232810000.htmlRMRENBET–. Forests and trees [microform]. Forests and forestry; Forêts et sylviculture; Trees; Arbres. )ltl Tree Growing «, should be removed about the base of the trunk, making a basin, and a pail or more of water poured about the roots and allowed to soak in. The surface soil should then be replaced and raked loosely about the base as a mulch to prevent evaporation. For newlv transplanted trees, even. 4- — Trees (;rowing in Sod. Brandon Normal School. m dr>- weather, once in two weeks should be often enough to water. Good cultivaiion of the ground, however is necessary. Figures 14 and 15 show two
. Soils, their properties and management. Soils. IRRIGATION AND DRT-FAUMING 705 sometimes the case in strawberries, in order to permit harvesting. In orchard culture two or more furrows are placed between each two rows. Often for young trees a furrow is placed on either side at a distance of about two feet, this distance being increased as the trees increase in size. The furrows are temporary and are usually renewed after each application of water, as the establishment of a soil mulch is necessary in order to prevent excessive loss of water by evaporation. 604. Size and form of furrows. â In s Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/soils-their-properties-and-management-soils-irrigation-and-drt-fauming-705-sometimes-the-case-in-strawberries-in-order-to-permit-harvesting-in-orchard-culture-two-or-more-furrows-are-placed-between-each-two-rows-often-for-young-trees-a-furrow-is-placed-on-either-side-at-a-distance-of-about-two-feet-this-distance-being-increased-as-the-trees-increase-in-size-the-furrows-are-temporary-and-are-usually-renewed-after-each-application-of-water-as-the-establishment-of-a-soil-mulch-is-necessary-in-order-to-prevent-excessive-loss-of-water-by-evaporation-604-size-and-form-of-furrows-in-s-image216331332.htmlRMPFXMR0–. Soils, their properties and management. Soils. IRRIGATION AND DRT-FAUMING 705 sometimes the case in strawberries, in order to permit harvesting. In orchard culture two or more furrows are placed between each two rows. Often for young trees a furrow is placed on either side at a distance of about two feet, this distance being increased as the trees increase in size. The furrows are temporary and are usually renewed after each application of water, as the establishment of a soil mulch is necessary in order to prevent excessive loss of water by evaporation. 604. Size and form of furrows. â In s
. Nature-study; a manual for teachers and students. Nature study. LESSONS WITH PLANTS a plant cannot supply itself rapidly enough with fresh water from the roots it wilts. Place a cherry, maple, or other leafy twig in a bottle of water. Note the height of the water. Close the mouth of the bottle to prevent evaporation. Note the rate at which the twig absorbs the water and the leaves give it off to the air. This current of water flowing through the plant is neces-. FlG. 118. Transpiration. sary, in order that fresh mineral matter may be brought in from the soil for the nourishment of the plant. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/nature-study-a-manual-for-teachers-and-students-nature-study-lessons-with-plants-a-plant-cannot-supply-itself-rapidly-enough-with-fresh-water-from-the-roots-it-wilts-place-a-cherry-maple-or-other-leafy-twig-in-a-bottle-of-water-note-the-height-of-the-water-close-the-mouth-of-the-bottle-to-prevent-evaporation-note-the-rate-at-which-the-twig-absorbs-the-water-and-the-leaves-give-it-off-to-the-air-this-current-of-water-flowing-through-the-plant-is-neces-flg-118-transpiration-sary-in-order-that-fresh-mineral-matter-may-be-brought-in-from-the-soil-for-the-nourishment-of-the-plant-image232453242.htmlRMRE54DE–. Nature-study; a manual for teachers and students. Nature study. LESSONS WITH PLANTS a plant cannot supply itself rapidly enough with fresh water from the roots it wilts. Place a cherry, maple, or other leafy twig in a bottle of water. Note the height of the water. Close the mouth of the bottle to prevent evaporation. Note the rate at which the twig absorbs the water and the leaves give it off to the air. This current of water flowing through the plant is neces-. FlG. 118. Transpiration. sary, in order that fresh mineral matter may be brought in from the soil for the nourishment of the plant.
. Dry-farming; a system of agriculture for countries under a low rainfall. Dry farming. 142 DRY-FARMING. Fig. 33. Many soils check badly. The cracks cause a loss of soil mois- ture. Arid soils (this picture represents a heavy clay as depicted by Lyon and Fippin) often crack extensively. Cultivation wUl prevent the loss of soil-moisture. almost wholly at the surface. Yet it is well known that evaporation from the soil surface may continue until the soil-moisture to a depth of eight or ten. Please note that these images are extracted from scanned page images that may have been digitally enhanced Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/dry-farming-a-system-of-agriculture-for-countries-under-a-low-rainfall-dry-farming-142-dry-farming-fig-33-many-soils-check-badly-the-cracks-cause-a-loss-of-soil-mois-ture-arid-soils-this-picture-represents-a-heavy-clay-as-depicted-by-lyon-and-fippin-often-crack-extensively-cultivation-wul-prevent-the-loss-of-soil-moisture-almost-wholly-at-the-surface-yet-it-is-well-known-that-evaporation-from-the-soil-surface-may-continue-until-the-soil-moisture-to-a-depth-of-eight-or-ten-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-image216436283.htmlRMPG3EK7–. Dry-farming; a system of agriculture for countries under a low rainfall. Dry farming. 142 DRY-FARMING. Fig. 33. Many soils check badly. The cracks cause a loss of soil mois- ture. Arid soils (this picture represents a heavy clay as depicted by Lyon and Fippin) often crack extensively. Cultivation wUl prevent the loss of soil-moisture. almost wholly at the surface. Yet it is well known that evaporation from the soil surface may continue until the soil-moisture to a depth of eight or ten. Please note that these images are extracted from scanned page images that may have been digitally enhanced
. Botany all the year round; a practical text-book for schools. Botany. FUNCTION AND STRUCTURE OF ROOTS 125. 263. — Vertical sec- tion of brandling root, showing the branches, n, n, origi- nating in the centra! axis, f, and passing through the cortex, its comparative imperviousness to prevent evaporation, or reabsorption by the soil, of the sap as it flows from the root hairs up to the stem and leaves. 177. The Branching of Roots.—Peel off a portion of the cortex from any branch- ing taproot and notice the hard, woody axis that runs through the interior. Pull off a branch from the stem and one Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/botany-all-the-year-round-a-practical-text-book-for-schools-botany-function-and-structure-of-roots-125-263-vertical-sec-tion-of-brandling-root-showing-the-branches-n-n-origi-nating-in-the-centra!-axis-f-and-passing-through-the-cortex-its-comparative-imperviousness-to-prevent-evaporation-or-reabsorption-by-the-soil-of-the-sap-as-it-flows-from-the-root-hairs-up-to-the-stem-and-leaves-177-the-branching-of-rootspeel-off-a-portion-of-the-cortex-from-any-branch-ing-taproot-and-notice-the-hard-woody-axis-that-runs-through-the-interior-pull-off-a-branch-from-the-stem-and-one-image232391814.htmlRMRE2A3J–. Botany all the year round; a practical text-book for schools. Botany. FUNCTION AND STRUCTURE OF ROOTS 125. 263. — Vertical sec- tion of brandling root, showing the branches, n, n, origi- nating in the centra! axis, f, and passing through the cortex, its comparative imperviousness to prevent evaporation, or reabsorption by the soil, of the sap as it flows from the root hairs up to the stem and leaves. 177. The Branching of Roots.—Peel off a portion of the cortex from any branch- ing taproot and notice the hard, woody axis that runs through the interior. Pull off a branch from the stem and one
. Nature-study; a manual for teachers and students. Nature study. LESSONS WITH PLANTS 3^5 a plant cannot supply itself rapidly enough with fresh water from the roots it wilts. Place a cherry, maple, or other leafy twig in a bottle of water. Note the height of the water. Close the mouth of the bottle to prevent evaporation. Note the rate at which the twig absorbs the water and the leaves give it off to the air. This current of water flowing through the plant is neces-. FlG, ii8. Transpiration. sary, in order that fresh mineral matter may be brought in from the soil for the nourishment of the pl Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/nature-study-a-manual-for-teachers-and-students-nature-study-lessons-with-plants-35-a-plant-cannot-supply-itself-rapidly-enough-with-fresh-water-from-the-roots-it-wilts-place-a-cherry-maple-or-other-leafy-twig-in-a-bottle-of-water-note-the-height-of-the-water-close-the-mouth-of-the-bottle-to-prevent-evaporation-note-the-rate-at-which-the-twig-absorbs-the-water-and-the-leaves-give-it-off-to-the-air-this-current-of-water-flowing-through-the-plant-is-neces-flg-ii8-transpiration-sary-in-order-that-fresh-mineral-matter-may-be-brought-in-from-the-soil-for-the-nourishment-of-the-pl-image232110619.htmlRMRDHFCY–. Nature-study; a manual for teachers and students. Nature study. LESSONS WITH PLANTS 3^5 a plant cannot supply itself rapidly enough with fresh water from the roots it wilts. Place a cherry, maple, or other leafy twig in a bottle of water. Note the height of the water. Close the mouth of the bottle to prevent evaporation. Note the rate at which the twig absorbs the water and the leaves give it off to the air. This current of water flowing through the plant is neces-. FlG, ii8. Transpiration. sary, in order that fresh mineral matter may be brought in from the soil for the nourishment of the pl
. Clinical bacteriology and haematology for practitioners. Bacteriology; Hematology. PIPETTES 35 examine the serum for some time seal the other end to prevent evaporation. When the blood has coagulated it will begin to contract away from the sides of the tube, the serum being forced out of the clot. When this process is complete there will be a central dark- <0'^i. Fig. 17. X Fig. 18. A, Before coagulation ; B, after, showing clot suspended in clear serum. coloured clot suspended in clear serum. The tube can now be notched with a file and broken, and the serum removed with a pipette and u Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/clinical-bacteriology-and-haematology-for-practitioners-bacteriology-hematology-pipettes-35-examine-the-serum-for-some-time-seal-the-other-end-to-prevent-evaporation-when-the-blood-has-coagulated-it-will-begin-to-contract-away-from-the-sides-of-the-tube-the-serum-being-forced-out-of-the-clot-when-this-process-is-complete-there-will-be-a-central-dark-lt0i-fig-17-x-fig-18-a-before-coagulation-b-after-showing-clot-suspended-in-clear-serum-coloured-clot-suspended-in-clear-serum-the-tube-can-now-be-notched-with-a-file-and-broken-and-the-serum-removed-with-a-pipette-and-u-image232433170.htmlRMRE46TJ–. Clinical bacteriology and haematology for practitioners. Bacteriology; Hematology. PIPETTES 35 examine the serum for some time seal the other end to prevent evaporation. When the blood has coagulated it will begin to contract away from the sides of the tube, the serum being forced out of the clot. When this process is complete there will be a central dark- <0'^i. Fig. 17. X Fig. 18. A, Before coagulation ; B, after, showing clot suspended in clear serum. coloured clot suspended in clear serum. The tube can now be notched with a file and broken, and the serum removed with a pipette and u
![. Elements of botany. Botany; Botany. 156 ELEMENTS OF BOTANY. a bell glass, with a wet cloth or sponge, to prevent evaporation of the syrup, and set aside in a warm place, or merely put some pollen in syrup in a watch crystal under the bell glass. Examine from time to time to note the appearance of the pollen tubes. Try several kinds of pollen if possible, using syrups of various strengths. The following kinds of pollen form tubes readily in syrups of the strengths indicated : Tulip ... . ^ 1 to 3 per cent. Narcissus . 3 to 5 " CyiisiiS C^anarieiisis (called Genista by florists) 15 " Stock Photo](https://c8.alamy.com/comp/RDWR2G/elements-of-botany-botany-botany-156-elements-of-botany-a-bell-glass-with-a-wet-cloth-or-sponge-to-prevent-evaporation-of-the-syrup-and-set-aside-in-a-warm-place-or-merely-put-some-pollen-in-syrup-in-a-watch-crystal-under-the-bell-glass-examine-from-time-to-time-to-note-the-appearance-of-the-pollen-tubes-try-several-kinds-of-pollen-if-possible-using-syrups-of-various-strengths-the-following-kinds-of-pollen-form-tubes-readily-in-syrups-of-the-strengths-indicated-tulip-1-to-3-per-cent-narcissus-3-to-5-quot-cyiisiis-canarieiisis-called-genista-by-florists-15-quot-RDWR2G.jpg ". Elements of botany. Botany; Botany. 156 ELEMENTS OF BOTANY. a bell glass, with a wet cloth or sponge, to prevent evaporation of the syrup, and set aside in a warm place, or merely put some pollen in syrup in a watch crystal under the bell glass. Examine from time to time to note the appearance of the pollen tubes. Try several kinds of pollen if possible, using syrups of various strengths. The following kinds of pollen form tubes readily in syrups of the strengths indicated : Tulip ... . ^ 1 to 3 per cent. Narcissus . 3 to 5 " CyiisiiS C^anarieiisis (called Genista by florists) 15 " Stock Photo")
. Elements of botany. Botany; Botany. 156 ELEMENTS OF BOTANY. a bell glass, with a wet cloth or sponge, to prevent evaporation of the syrup, and set aside in a warm place, or merely put some pollen in syrup in a watch crystal under the bell glass. Examine from time to time to note the appearance of the pollen tubes. Try several kinds of pollen if possible, using syrups of various strengths. The following kinds of pollen form tubes readily in syrups of the strengths indicated : Tulip ... . ^ 1 to 3 per cent. Narcissus . 3 to 5 " CyiisiiS C^anarieiisis (called Genista by florists) 15 " Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/elements-of-botany-botany-botany-156-elements-of-botany-a-bell-glass-with-a-wet-cloth-or-sponge-to-prevent-evaporation-of-the-syrup-and-set-aside-in-a-warm-place-or-merely-put-some-pollen-in-syrup-in-a-watch-crystal-under-the-bell-glass-examine-from-time-to-time-to-note-the-appearance-of-the-pollen-tubes-try-several-kinds-of-pollen-if-possible-using-syrups-of-various-strengths-the-following-kinds-of-pollen-form-tubes-readily-in-syrups-of-the-strengths-indicated-tulip-1-to-3-per-cent-narcissus-3-to-5-quot-cyiisiis-canarieiisis-called-genista-by-florists-15-quot-image232292216.htmlRMRDWR2G–. Elements of botany. Botany; Botany. 156 ELEMENTS OF BOTANY. a bell glass, with a wet cloth or sponge, to prevent evaporation of the syrup, and set aside in a warm place, or merely put some pollen in syrup in a watch crystal under the bell glass. Examine from time to time to note the appearance of the pollen tubes. Try several kinds of pollen if possible, using syrups of various strengths. The following kinds of pollen form tubes readily in syrups of the strengths indicated : Tulip ... . ^ 1 to 3 per cent. Narcissus . 3 to 5 " CyiisiiS C^anarieiisis (called Genista by florists) 15 "
. Productive dairying . Dairying. 314 MILK AND CREAM TESTING butter maker and occasionally encourages him to record a test lower than the actual reading, to recover in the operation. If a cow is being tested and she yields 30 pounds of milk for thirty days, she has produced 900 pounds of milk. If this is sho'^vn to test 3.9 per cent fat, she will then be given credit with having produced 35.1 pounds of fat, whereas a glass- stoppered bottle which would prevent evaporation of water might show her true test to have been 3.6 per cent fat. This would credit her with having produced only 32.3 pound Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/productive-dairying-dairying-314-milk-and-cream-testing-butter-maker-and-occasionally-encourages-him-to-record-a-test-lower-than-the-actual-reading-to-recover-in-the-operation-if-a-cow-is-being-tested-and-she-yields-30-pounds-of-milk-for-thirty-days-she-has-produced-900-pounds-of-milk-if-this-is-shovn-to-test-39-per-cent-fat-she-will-then-be-given-credit-with-having-produced-351-pounds-of-fat-whereas-a-glass-stoppered-bottle-which-would-prevent-evaporation-of-water-might-show-her-true-test-to-have-been-36-per-cent-fat-this-would-credit-her-with-having-produced-only-323-pound-image232337016.htmlRMRDYT6G–. Productive dairying . Dairying. 314 MILK AND CREAM TESTING butter maker and occasionally encourages him to record a test lower than the actual reading, to recover in the operation. If a cow is being tested and she yields 30 pounds of milk for thirty days, she has produced 900 pounds of milk. If this is sho'^vn to test 3.9 per cent fat, she will then be given credit with having produced 35.1 pounds of fat, whereas a glass- stoppered bottle which would prevent evaporation of water might show her true test to have been 3.6 per cent fat. This would credit her with having produced only 32.3 pound
. Elements of botany. Botany; Botany. 156 ELEMENTS OP BOTANY. a bell glass, with a wet cloth or sponge, to prevent evaporation of the syrup, and set aside in a warm place, or merely put some pollen in syrup in a watch crystal under the bell glass. Examine from time to time to note the appearance of the pollen tubes. Try several kinds of pollen if possible, using syrups of various strengths. The following kinds of pollen form tubes readily in syrups of the strengths indicated : Tulip 1 to 3 per cent. Narcissus 3 to 5 Cytisus Canariensis (called Genista by ilorists) 15 Chinese primrose ... 10 Sw Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/elements-of-botany-botany-botany-156-elements-op-botany-a-bell-glass-with-a-wet-cloth-or-sponge-to-prevent-evaporation-of-the-syrup-and-set-aside-in-a-warm-place-or-merely-put-some-pollen-in-syrup-in-a-watch-crystal-under-the-bell-glass-examine-from-time-to-time-to-note-the-appearance-of-the-pollen-tubes-try-several-kinds-of-pollen-if-possible-using-syrups-of-various-strengths-the-following-kinds-of-pollen-form-tubes-readily-in-syrups-of-the-strengths-indicated-tulip-1-to-3-per-cent-narcissus-3-to-5-cytisus-canariensis-called-genista-by-ilorists-15-chinese-primrose-10-sw-image232087902.htmlRMRDGEDJ–. Elements of botany. Botany; Botany. 156 ELEMENTS OP BOTANY. a bell glass, with a wet cloth or sponge, to prevent evaporation of the syrup, and set aside in a warm place, or merely put some pollen in syrup in a watch crystal under the bell glass. Examine from time to time to note the appearance of the pollen tubes. Try several kinds of pollen if possible, using syrups of various strengths. The following kinds of pollen form tubes readily in syrups of the strengths indicated : Tulip 1 to 3 per cent. Narcissus 3 to 5 Cytisus Canariensis (called Genista by ilorists) 15 Chinese primrose ... 10 Sw
Poultry culture sanitation and hygiene . ich is, in reality, the quiescent embryo, islocated. If the yolk is allowed to gravitate to the top of thealbumen in the egg, upon reaching the surface, and as a resultof the evaporation which is going on from the egg, the blasto-derm will become adherent (dried fast to the shell membrane)and will die. Hence, eggs for sitting should be turned dailyto prevent the yolk from raising to the surface. The finishing touch nature puts on the egg in the egg canalbefore it is laid is to cover it with a varnish-like substance,which is commonly known as the bloom. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/poultry-culture-sanitation-and-hygiene-ich-is-in-reality-the-quiescent-embryo-islocated-if-the-yolk-is-allowed-to-gravitate-to-the-top-of-thealbumen-in-the-egg-upon-reaching-the-surface-and-as-a-resultof-the-evaporation-which-is-going-on-from-the-egg-the-blasto-derm-will-become-adherent-dried-fast-to-the-shell-membraneand-will-die-hence-eggs-for-sitting-should-be-turned-dailyto-prevent-the-yolk-from-raising-to-the-surface-the-finishing-touch-nature-puts-on-the-egg-in-the-egg-canalbefore-it-is-laid-is-to-cover-it-with-a-varnish-like-substancewhich-is-commonly-known-as-the-bloom-image343336043.htmlRM2AXG8HF–Poultry culture sanitation and hygiene . ich is, in reality, the quiescent embryo, islocated. If the yolk is allowed to gravitate to the top of thealbumen in the egg, upon reaching the surface, and as a resultof the evaporation which is going on from the egg, the blasto-derm will become adherent (dried fast to the shell membrane)and will die. Hence, eggs for sitting should be turned dailyto prevent the yolk from raising to the surface. The finishing touch nature puts on the egg in the egg canalbefore it is laid is to cover it with a varnish-like substance,which is commonly known as the bloom.
. Farm crops; a practical treatise on the growing of American field crops: containing brief and popular advice on the seeding, cultivating, handling and marketing of farm crops, and on the management of lands for the largest returns. Agriculture. CROP YIELDS AND PROPER CULTURE 4I to conserve the soil moisture. The mellow surface also favors the catching and storing of the rains. The stirring in early spring warms the soil by de- creasing the evaporation of water, and the mulch of mellow soil acts as a blanket to prevent the rapid radiation of heat from the soil. The soil is also aerated by cul Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/farm-crops-a-practical-treatise-on-the-growing-of-american-field-crops-containing-brief-and-popular-advice-on-the-seeding-cultivating-handling-and-marketing-of-farm-crops-and-on-the-management-of-lands-for-the-largest-returns-agriculture-crop-yields-and-proper-culture-4i-to-conserve-the-soil-moisture-the-mellow-surface-also-favors-the-catching-and-storing-of-the-rains-the-stirring-in-early-spring-warms-the-soil-by-de-creasing-the-evaporation-of-water-and-the-mulch-of-mellow-soil-acts-as-a-blanket-to-prevent-the-rapid-radiation-of-heat-from-the-soil-the-soil-is-also-aerated-by-cul-image232426847.htmlRMRE3XPR–. Farm crops; a practical treatise on the growing of American field crops: containing brief and popular advice on the seeding, cultivating, handling and marketing of farm crops, and on the management of lands for the largest returns. Agriculture. CROP YIELDS AND PROPER CULTURE 4I to conserve the soil moisture. The mellow surface also favors the catching and storing of the rains. The stirring in early spring warms the soil by de- creasing the evaporation of water, and the mulch of mellow soil acts as a blanket to prevent the rapid radiation of heat from the soil. The soil is also aerated by cul
. Cassell's popular gardening. Gardening. HOUSE, AREA, AND WINDOW GARDENING. 193 at our hands more consideration tlian some other sub- divisions of domestic horticulture. The simplest form of window-SLll gardening is the growth in pots of three or four Geraniums, or i''uchsias, by watering them when the earth is diy, and taking them indoors in frosty weather. The next step is to try and lessen the work of watering liy protecting the sides of the pots, and thus prevent- ing so much escape of moisture by evaporation. The readiest way of doing this is to put each pot into another pot two sizes la Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/cassells-popular-gardening-gardening-house-area-and-window-gardening-193-at-our-hands-more-consideration-tlian-some-other-sub-divisions-of-domestic-horticulture-the-simplest-form-of-window-slll-gardening-is-the-growth-in-pots-of-three-or-four-geraniums-or-iuchsias-by-watering-them-when-the-earth-is-diy-and-taking-them-indoors-in-frosty-weather-the-next-step-is-to-try-and-lessen-the-work-of-watering-liy-protecting-the-sides-of-the-pots-and-thus-prevent-ing-so-much-escape-of-moisture-by-evaporation-the-readiest-way-of-doing-this-is-to-put-each-pot-into-another-pot-two-sizes-la-image232232579.htmlRMRDR30K–. Cassell's popular gardening. Gardening. HOUSE, AREA, AND WINDOW GARDENING. 193 at our hands more consideration tlian some other sub- divisions of domestic horticulture. The simplest form of window-SLll gardening is the growth in pots of three or four Geraniums, or i''uchsias, by watering them when the earth is diy, and taking them indoors in frosty weather. The next step is to try and lessen the work of watering liy protecting the sides of the pots, and thus prevent- ing so much escape of moisture by evaporation. The readiest way of doing this is to put each pot into another pot two sizes la
. Elements of botany. Botany; Botany. 110 ELEMENTS OP BOTANY. later, but it will make matters simpler to state at once that the epidermis serves as a mechanical protection to the parts beneath and prevents excessive evaporation, that the palisade cells (which it may not be easy to make out very clearly in a roughly prepared section) help to prevent too rapid evapora- tion of sap from the leaf when exposed to excessive dryness, heat, and direct sunlight, and that they hold large quantities of the green coloring-matter of the leaf in a position where it. I II Fie. 97. —Epidermis of Leaf of Alths Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/elements-of-botany-botany-botany-110-elements-op-botany-later-but-it-will-make-matters-simpler-to-state-at-once-that-the-epidermis-serves-as-a-mechanical-protection-to-the-parts-beneath-and-prevents-excessive-evaporation-that-the-palisade-cells-which-it-may-not-be-easy-to-make-out-very-clearly-in-a-roughly-prepared-section-help-to-prevent-too-rapid-evapora-tion-of-sap-from-the-leaf-when-exposed-to-excessive-dryness-heat-and-direct-sunlight-and-that-they-hold-large-quantities-of-the-green-coloring-matter-of-the-leaf-in-a-position-where-it-i-ii-fie-97-epidermis-of-leaf-of-alths-image232111808.htmlRMRDHGYC–. Elements of botany. Botany; Botany. 110 ELEMENTS OP BOTANY. later, but it will make matters simpler to state at once that the epidermis serves as a mechanical protection to the parts beneath and prevents excessive evaporation, that the palisade cells (which it may not be easy to make out very clearly in a roughly prepared section) help to prevent too rapid evapora- tion of sap from the leaf when exposed to excessive dryness, heat, and direct sunlight, and that they hold large quantities of the green coloring-matter of the leaf in a position where it. I II Fie. 97. —Epidermis of Leaf of Alths
. Window gardening. Floriculture. WINDOW GARDENING allows the ready removal of the plant without any injury to the roots, and greatly facilitates transplanting. The pot should be porous for at least two reasons. First, it allows the surplus water to evaporate from the outer surface and thus helps. Fig. I. The standard pot, the azalea or fern pot and the seed pan to keep the soil sweet by causing it to dry out more rapidly; second, it allows the air to enter the soil and so come in contact with the roots. Any form of glazed pot, therefore, which will prevent the evaporation of the ex- cess of m Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/window-gardening-floriculture-window-gardening-allows-the-ready-removal-of-the-plant-without-any-injury-to-the-roots-and-greatly-facilitates-transplanting-the-pot-should-be-porous-for-at-least-two-reasons-first-it-allows-the-surplus-water-to-evaporate-from-the-outer-surface-and-thus-helps-fig-i-the-standard-pot-the-azalea-or-fern-pot-and-the-seed-pan-to-keep-the-soil-sweet-by-causing-it-to-dry-out-more-rapidly-second-it-allows-the-air-to-enter-the-soil-and-so-come-in-contact-with-the-roots-any-form-of-glazed-pot-therefore-which-will-prevent-the-evaporation-of-the-ex-cess-of-m-image232253986.htmlRMRDT296–. Window gardening. Floriculture. WINDOW GARDENING allows the ready removal of the plant without any injury to the roots, and greatly facilitates transplanting. The pot should be porous for at least two reasons. First, it allows the surplus water to evaporate from the outer surface and thus helps. Fig. I. The standard pot, the azalea or fern pot and the seed pan to keep the soil sweet by causing it to dry out more rapidly; second, it allows the air to enter the soil and so come in contact with the roots. Any form of glazed pot, therefore, which will prevent the evaporation of the ex- cess of m
. Gardens for small country houses. Gardens. SECTIONAL C ,VIEW also prevent undue evaporation in hot weather. The greatest care must be taken in planting. Some alpines are extremely fastidious during the early days of their career, and trouble taken at this stage is well bestowed. Many disappointments are due to the unsatisfactory condition in which plants are received. It is worth while to pay a shghtly higher price and make sure of getting plants in good condition and well packed. Other failures are due to planting too late in the autumn. Experience shows that the best of all times for plant Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/gardens-for-small-country-houses-gardens-sectional-c-view-also-prevent-undue-evaporation-in-hot-weather-the-greatest-care-must-be-taken-in-planting-some-alpines-are-extremely-fastidious-during-the-early-days-of-their-career-and-trouble-taken-at-this-stage-is-well-bestowed-many-disappointments-are-due-to-the-unsatisfactory-condition-in-which-plants-are-received-it-is-worth-while-to-pay-a-shghtly-higher-price-and-make-sure-of-getting-plants-in-good-condition-and-well-packed-other-failures-are-due-to-planting-too-late-in-the-autumn-experience-shows-that-the-best-of-all-times-for-plant-image232193079.htmlRMRDN8HY–. Gardens for small country houses. Gardens. SECTIONAL C ,VIEW also prevent undue evaporation in hot weather. The greatest care must be taken in planting. Some alpines are extremely fastidious during the early days of their career, and trouble taken at this stage is well bestowed. Many disappointments are due to the unsatisfactory condition in which plants are received. It is worth while to pay a shghtly higher price and make sure of getting plants in good condition and well packed. Other failures are due to planting too late in the autumn. Experience shows that the best of all times for plant
. Gardens for small country houses . Gardens, English. Rock Gardens. 245 SECTIONAL VIEW.. also prevent undue evaporation in hot weather. The greatest care must be taken in planting. Some alpines are extremely fastidious during the early days of their career, and trouble taken at this stage is well bestowed. Many disappointments are due to the unsatisfactory condition in which plants are received. It is worth while to pay a shghtly higher price and make sure of getting plants in good condition and well packed. Other failures are due to planting too late in the autumn. Experience shows that the Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/gardens-for-small-country-houses-gardens-english-rock-gardens-245-sectional-view-also-prevent-undue-evaporation-in-hot-weather-the-greatest-care-must-be-taken-in-planting-some-alpines-are-extremely-fastidious-during-the-early-days-of-their-career-and-trouble-taken-at-this-stage-is-well-bestowed-many-disappointments-are-due-to-the-unsatisfactory-condition-in-which-plants-are-received-it-is-worth-while-to-pay-a-shghtly-higher-price-and-make-sure-of-getting-plants-in-good-condition-and-well-packed-other-failures-are-due-to-planting-too-late-in-the-autumn-experience-shows-that-the-image232254243.htmlRMRDT2JB–. Gardens for small country houses . Gardens, English. Rock Gardens. 245 SECTIONAL VIEW.. also prevent undue evaporation in hot weather. The greatest care must be taken in planting. Some alpines are extremely fastidious during the early days of their career, and trouble taken at this stage is well bestowed. Many disappointments are due to the unsatisfactory condition in which plants are received. It is worth while to pay a shghtly higher price and make sure of getting plants in good condition and well packed. Other failures are due to planting too late in the autumn. Experience shows that the
. Elements of botany. Botany; Botany. 110 ELEMENTS OP BOTANY. later, but it will make matters simpler to state at once that the epidermis serves as a mechanical protection to the parts beneath and prevents excessive evaporation, that the palisade cells (which it may not be easy to make out very clearly in a roughly prepared section) help to prevent too rapid evaporar tion of sap from the leaf when exposed to excessive dryness, heat, and direct sunlight, and that they hold large quantities of the green coloring-matter of the leaf in a position where it. I n Fig. 97. —Epidermis of Leaf of Althae Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/elements-of-botany-botany-botany-110-elements-op-botany-later-but-it-will-make-matters-simpler-to-state-at-once-that-the-epidermis-serves-as-a-mechanical-protection-to-the-parts-beneath-and-prevents-excessive-evaporation-that-the-palisade-cells-which-it-may-not-be-easy-to-make-out-very-clearly-in-a-roughly-prepared-section-help-to-prevent-too-rapid-evaporar-tion-of-sap-from-the-leaf-when-exposed-to-excessive-dryness-heat-and-direct-sunlight-and-that-they-hold-large-quantities-of-the-green-coloring-matter-of-the-leaf-in-a-position-where-it-i-n-fig-97-epidermis-of-leaf-of-althae-image232292489.htmlRMRDWRC9–. Elements of botany. Botany; Botany. 110 ELEMENTS OP BOTANY. later, but it will make matters simpler to state at once that the epidermis serves as a mechanical protection to the parts beneath and prevents excessive evaporation, that the palisade cells (which it may not be easy to make out very clearly in a roughly prepared section) help to prevent too rapid evaporar tion of sap from the leaf when exposed to excessive dryness, heat, and direct sunlight, and that they hold large quantities of the green coloring-matter of the leaf in a position where it. I n Fig. 97. —Epidermis of Leaf of Althae
. Gardens for small country houses . Gardens, English. also prevent undue evaporation in hot weather. The greatest care must be taken in planting. Some alpines are extremely fastidious during the early days of their career, and trouble taken at this stage is well bestowed. Many disappointments are due to the unsatisfactory condition in which plants are received. It is worth while to pay a shghtly higher price and make sure of getting plants in good condition and well packed. Other failures are due to planting too late in the autumn. Experience shows that the best of all times for planting is t Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/gardens-for-small-country-houses-gardens-english-also-prevent-undue-evaporation-in-hot-weather-the-greatest-care-must-be-taken-in-planting-some-alpines-are-extremely-fastidious-during-the-early-days-of-their-career-and-trouble-taken-at-this-stage-is-well-bestowed-many-disappointments-are-due-to-the-unsatisfactory-condition-in-which-plants-are-received-it-is-worth-while-to-pay-a-shghtly-higher-price-and-make-sure-of-getting-plants-in-good-condition-and-well-packed-other-failures-are-due-to-planting-too-late-in-the-autumn-experience-shows-that-the-best-of-all-times-for-planting-is-t-image232254236.htmlRMRDT2J4–. Gardens for small country houses . Gardens, English. also prevent undue evaporation in hot weather. The greatest care must be taken in planting. Some alpines are extremely fastidious during the early days of their career, and trouble taken at this stage is well bestowed. Many disappointments are due to the unsatisfactory condition in which plants are received. It is worth while to pay a shghtly higher price and make sure of getting plants in good condition and well packed. Other failures are due to planting too late in the autumn. Experience shows that the best of all times for planting is t
. Gardens for small country houses. Gardens. Rock Gardens. 245 SECTIONAL VIEW. SECTIONAL C ,VIEW also prevent undue evaporation in hot weather. The greatest care must be taken in planting. Some alpines are extremely fastidious during the early days of their career, and trouble taken at this stage is well bestowed. Many disappointments are due to the unsatisfactory condition in which plants are received. It is worth while to pay a shghtly higher price and make sure of getting plants in good condition and well packed. Other failures are due to planting too late in the autumn. Experience shows th Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/gardens-for-small-country-houses-gardens-rock-gardens-245-sectional-view-sectional-c-view-also-prevent-undue-evaporation-in-hot-weather-the-greatest-care-must-be-taken-in-planting-some-alpines-are-extremely-fastidious-during-the-early-days-of-their-career-and-trouble-taken-at-this-stage-is-well-bestowed-many-disappointments-are-due-to-the-unsatisfactory-condition-in-which-plants-are-received-it-is-worth-while-to-pay-a-shghtly-higher-price-and-make-sure-of-getting-plants-in-good-condition-and-well-packed-other-failures-are-due-to-planting-too-late-in-the-autumn-experience-shows-th-image232193086.htmlRMRDN8J6–. Gardens for small country houses. Gardens. Rock Gardens. 245 SECTIONAL VIEW. SECTIONAL C ,VIEW also prevent undue evaporation in hot weather. The greatest care must be taken in planting. Some alpines are extremely fastidious during the early days of their career, and trouble taken at this stage is well bestowed. Many disappointments are due to the unsatisfactory condition in which plants are received. It is worth while to pay a shghtly higher price and make sure of getting plants in good condition and well packed. Other failures are due to planting too late in the autumn. Experience shows th
. Beginners' botany. Botany. BUD PROPAGATION 123. Fig. 160. — Cutting-box. The stem of the cutting is inserted one third or more its length in clean sand or gravel, and the eartli is pressed firmly about it. A newspaper may be laid over the bed to ex- clude the light — if the sun strikes it—and to prevent too rapid evaporation. The soil should be moist clear through, not on top only. Loose sandy or gravelly soil is used. Sand used by masons is good material in which to start most cuttings; or fine gravel — sifted of most of its earthy matter—may be used. Soils are avoided which contain much de Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/beginners-botany-botany-bud-propagation-123-fig-160-cutting-box-the-stem-of-the-cutting-is-inserted-one-third-or-more-its-length-in-clean-sand-or-gravel-and-the-eartli-is-pressed-firmly-about-it-a-newspaper-may-be-laid-over-the-bed-to-ex-clude-the-light-if-the-sun-strikes-itand-to-prevent-too-rapid-evaporation-the-soil-should-be-moist-clear-through-not-on-top-only-loose-sandy-or-gravelly-soil-is-used-sand-used-by-masons-is-good-material-in-which-to-start-most-cuttings-or-fine-gravel-sifted-of-most-of-its-earthy-mattermay-be-used-soils-are-avoided-which-contain-much-de-image231961013.htmlRMRDAMHW–. Beginners' botany. Botany. BUD PROPAGATION 123. Fig. 160. — Cutting-box. The stem of the cutting is inserted one third or more its length in clean sand or gravel, and the eartli is pressed firmly about it. A newspaper may be laid over the bed to ex- clude the light — if the sun strikes it—and to prevent too rapid evaporation. The soil should be moist clear through, not on top only. Loose sandy or gravelly soil is used. Sand used by masons is good material in which to start most cuttings; or fine gravel — sifted of most of its earthy matter—may be used. Soils are avoided which contain much de
. Corn; growing, judging, breeding, feeding, marketing; for the farmer, student and teacher of agriculture, a textbook for agricultural colleges and high shcools. Corn. 150 CORN on fall plowed ground, a surface mulch can be established which will prevent this excess evaporation and insure to the farmer a greater amount of moisture in the soil for the following crop than had the land been plowed in the spring. Fall plowed ground properly cared for in the spring may be expected to mature a crop of corn a little earlier than will the spring ploAving, and in case of a dry season there will be much Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/corn-growing-judging-breeding-feeding-marketing-for-the-farmer-student-and-teacher-of-agriculture-a-textbook-for-agricultural-colleges-and-high-shcools-corn-150-corn-on-fall-plowed-ground-a-surface-mulch-can-be-established-which-will-prevent-this-excess-evaporation-and-insure-to-the-farmer-a-greater-amount-of-moisture-in-the-soil-for-the-following-crop-than-had-the-land-been-plowed-in-the-spring-fall-plowed-ground-properly-cared-for-in-the-spring-may-be-expected-to-mature-a-crop-of-corn-a-little-earlier-than-will-the-spring-ploaving-and-in-case-of-a-dry-season-there-will-be-much-image232418069.htmlRMRE3FH9–. Corn; growing, judging, breeding, feeding, marketing; for the farmer, student and teacher of agriculture, a textbook for agricultural colleges and high shcools. Corn. 150 CORN on fall plowed ground, a surface mulch can be established which will prevent this excess evaporation and insure to the farmer a greater amount of moisture in the soil for the following crop than had the land been plowed in the spring. Fall plowed ground properly cared for in the spring may be expected to mature a crop of corn a little earlier than will the spring ploAving, and in case of a dry season there will be much
. An introduction to vegetable physiology. Plant physiology. TEANSPIEATION 89 consists in placing the end of a cut branch in a small glass vessel, preferably a U-tube, filled with water, as shown in fig. 63. The branch passes through the cork of the vessel in such a way as to prevent any escape or evaporation of water at that point. Communicating with the other arm of the U -tube is a side tube bent at right angles, which dips into the water through a perforated cork. This tube is also filled with water. As transpiration proceeds the water is gradually drawn from the horizontal tube, and its p Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/an-introduction-to-vegetable-physiology-plant-physiology-teanspieation-89-consists-in-placing-the-end-of-a-cut-branch-in-a-small-glass-vessel-preferably-a-u-tube-filled-with-water-as-shown-in-fig-63-the-branch-passes-through-the-cork-of-the-vessel-in-such-a-way-as-to-prevent-any-escape-or-evaporation-of-water-at-that-point-communicating-with-the-other-arm-of-the-u-tube-is-a-side-tube-bent-at-right-angles-which-dips-into-the-water-through-a-perforated-cork-this-tube-is-also-filled-with-water-as-transpiration-proceeds-the-water-is-gradually-drawn-from-the-horizontal-tube-and-its-p-image232332185.htmlRMRDYJ21–. An introduction to vegetable physiology. Plant physiology. TEANSPIEATION 89 consists in placing the end of a cut branch in a small glass vessel, preferably a U-tube, filled with water, as shown in fig. 63. The branch passes through the cork of the vessel in such a way as to prevent any escape or evaporation of water at that point. Communicating with the other arm of the U -tube is a side tube bent at right angles, which dips into the water through a perforated cork. This tube is also filled with water. As transpiration proceeds the water is gradually drawn from the horizontal tube, and its p
. Insect life; an introduction to nature study and a guide for teachers, students and others interested in out-of-door life. Entomology; Nature study. THE BREEDING OF INSECTS. 331. Fig. 292.—Duckweed. Watercress, Nasturtium officinale. Stoneworts, Chara and Nitella (several species of each). Frog-spittle or water-silk, Spirogira. A small quantity of duckweed, Lemna (Fig. 292), placed on the surface of the water adds to the beauty of an aquarium. When it is necessary to add water to an aqua- rium on account of loss by evaporation, rain wa- ter should be used to prevent an undue ac- cumulation o Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/insect-life-an-introduction-to-nature-study-and-a-guide-for-teachers-students-and-others-interested-in-out-of-door-life-entomology-nature-study-the-breeding-of-insects-331-fig-292duckweed-watercress-nasturtium-officinale-stoneworts-chara-and-nitella-several-species-of-each-frog-spittle-or-water-silk-spirogira-a-small-quantity-of-duckweed-lemna-fig-292-placed-on-the-surface-of-the-water-adds-to-the-beauty-of-an-aquarium-when-it-is-necessary-to-add-water-to-an-aqua-rium-on-account-of-loss-by-evaporation-rain-wa-ter-should-be-used-to-prevent-an-undue-ac-cumulation-o-image231940110.htmlRMRD9NYA–. Insect life; an introduction to nature study and a guide for teachers, students and others interested in out-of-door life. Entomology; Nature study. THE BREEDING OF INSECTS. 331. Fig. 292.—Duckweed. Watercress, Nasturtium officinale. Stoneworts, Chara and Nitella (several species of each). Frog-spittle or water-silk, Spirogira. A small quantity of duckweed, Lemna (Fig. 292), placed on the surface of the water adds to the beauty of an aquarium. When it is necessary to add water to an aqua- rium on account of loss by evaporation, rain wa- ter should be used to prevent an undue ac- cumulation o
. Insect life; an introduction to nature study and a guide for teachers, students and others interested in out-of-door life. Entomology; Nature study. Fig. 292.—Duckweed. Watercress, Nasturtium officinale. Stoneworts, Chara and Nitella (several species of each). Frog-spittle or water-silk, Spirogira. A small quantity of duckweed, Lemna (Fig. 292), placed on the surface of the water adds to the beauty of an aquarium. When it is necessary to add water to an aqua- rium on account of loss by evaporation, rain wa- ter should be used to prevent an undue ac- cumulation of the mineral matter held in s Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/insect-life-an-introduction-to-nature-study-and-a-guide-for-teachers-students-and-others-interested-in-out-of-door-life-entomology-nature-study-fig-292duckweed-watercress-nasturtium-officinale-stoneworts-chara-and-nitella-several-species-of-each-frog-spittle-or-water-silk-spirogira-a-small-quantity-of-duckweed-lemna-fig-292-placed-on-the-surface-of-the-water-adds-to-the-beauty-of-an-aquarium-when-it-is-necessary-to-add-water-to-an-aqua-rium-on-account-of-loss-by-evaporation-rain-wa-ter-should-be-used-to-prevent-an-undue-ac-cumulation-of-the-mineral-matter-held-in-s-image231940107.htmlRMRD9NY7–. Insect life; an introduction to nature study and a guide for teachers, students and others interested in out-of-door life. Entomology; Nature study. Fig. 292.—Duckweed. Watercress, Nasturtium officinale. Stoneworts, Chara and Nitella (several species of each). Frog-spittle or water-silk, Spirogira. A small quantity of duckweed, Lemna (Fig. 292), placed on the surface of the water adds to the beauty of an aquarium. When it is necessary to add water to an aqua- rium on account of loss by evaporation, rain wa- ter should be used to prevent an undue ac- cumulation of the mineral matter held in s
. The American home garden. Being principles and rules for the culture of vegetables, fruits, flowers, and shrubbery. To which are added brief notes on farm crops, with a table of their average product and chemical constituents. Gardening. AMERICAN HOME GARDEN. 35 Fig. 10.. Fig. 11. Bell-glass. llauj (Classes.—., square; li, uctu. lator {c, c) is sometimes made in the top, which, with a sliglit tilting of the lower edge, permits of airing the plants without uncovering them. They are used for covering newly-sown and delicate seeds, and newly-made cuttings, to prevent too rapid evaporation, or Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-american-home-garden-being-principles-and-rules-for-the-culture-of-vegetables-fruits-flowers-and-shrubbery-to-which-are-added-brief-notes-on-farm-crops-with-a-table-of-their-average-product-and-chemical-constituents-gardening-american-home-garden-35-fig-10-fig-11-bell-glass-llauj-classes-square-li-uctu-lator-c-c-is-sometimes-made-in-the-top-which-with-a-sliglit-tilting-of-the-lower-edge-permits-of-airing-the-plants-without-uncovering-them-they-are-used-for-covering-newly-sown-and-delicate-seeds-and-newly-made-cuttings-to-prevent-too-rapid-evaporation-or-image232411402.htmlRMRE3736–. The American home garden. Being principles and rules for the culture of vegetables, fruits, flowers, and shrubbery. To which are added brief notes on farm crops, with a table of their average product and chemical constituents. Gardening. AMERICAN HOME GARDEN. 35 Fig. 10.. Fig. 11. Bell-glass. llauj (Classes.—., square; li, uctu. lator {c, c) is sometimes made in the top, which, with a sliglit tilting of the lower edge, permits of airing the plants without uncovering them. They are used for covering newly-sown and delicate seeds, and newly-made cuttings, to prevent too rapid evaporation, or
. Beginners' botany. Botany. Fig. 160. — Cutting-box. The stem of the cutting is inserted one third or more its length in clean sand or gravel, and the eartli is pressed firmly about it. A newspaper may be laid over the bed to ex- clude the light — if the sun strikes it—and to prevent too rapid evaporation. The soil should be moist clear through, not on top only. Loose sandy or gravelly soil is used. Sand used by masons is good material in which to start most cuttings; or fine gravel — sifted of most of its earthy matter—may be used. Soils are avoided which contain much decay- ing organic matt Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/beginners-botany-botany-fig-160-cutting-box-the-stem-of-the-cutting-is-inserted-one-third-or-more-its-length-in-clean-sand-or-gravel-and-the-eartli-is-pressed-firmly-about-it-a-newspaper-may-be-laid-over-the-bed-to-ex-clude-the-light-if-the-sun-strikes-itand-to-prevent-too-rapid-evaporation-the-soil-should-be-moist-clear-through-not-on-top-only-loose-sandy-or-gravelly-soil-is-used-sand-used-by-masons-is-good-material-in-which-to-start-most-cuttings-or-fine-gravel-sifted-of-most-of-its-earthy-mattermay-be-used-soils-are-avoided-which-contain-much-decay-ing-organic-matt-image231961010.htmlRMRDAMHP–. Beginners' botany. Botany. Fig. 160. — Cutting-box. The stem of the cutting is inserted one third or more its length in clean sand or gravel, and the eartli is pressed firmly about it. A newspaper may be laid over the bed to ex- clude the light — if the sun strikes it—and to prevent too rapid evaporation. The soil should be moist clear through, not on top only. Loose sandy or gravelly soil is used. Sand used by masons is good material in which to start most cuttings; or fine gravel — sifted of most of its earthy matter—may be used. Soils are avoided which contain much decay- ing organic matt
![. Alpine flowers for English gardens . Mountain plants. ALPINE FLOWERS. Part I. tions between the soil and rock) sooner or later. The same principle applies to small stones and fissures. " To prevent undue evaporation in the case of such .fissures as M, stones, larger or smaller, may be laid on the top of the soil (as in M, Fig. 11), care being taken not to cover too much of it, to the exclusion of rain.. Right Wrong " Where a large fissure exists (as in Fig. 12), the smaller pieces of stone in it are on this account best placed with the narrowest edge or point upwards—not downwards. Stock Photo](https://c8.alamy.com/comp/RDG4JN/alpine-flowers-for-english-gardens-mountain-plants-alpine-flowers-part-i-tions-between-the-soil-and-rock-sooner-or-later-the-same-principle-applies-to-small-stones-and-fissures-quot-to-prevent-undue-evaporation-in-the-case-of-such-fissures-as-m-stones-larger-or-smaller-may-be-laid-on-the-top-of-the-soil-as-in-m-fig-11-care-being-taken-not-to-cover-too-much-of-it-to-the-exclusion-of-rain-right-wrong-quot-where-a-large-fissure-exists-as-in-fig-12-the-smaller-pieces-of-stone-in-it-are-on-this-account-best-placed-with-the-narrowest-edge-or-point-upwardsnot-downwards-RDG4JN.jpg ". Alpine flowers for English gardens . Mountain plants. ALPINE FLOWERS. Part I. tions between the soil and rock) sooner or later. The same principle applies to small stones and fissures. " To prevent undue evaporation in the case of such .fissures as M, stones, larger or smaller, may be laid on the top of the soil (as in M, Fig. 11), care being taken not to cover too much of it, to the exclusion of rain.. Right Wrong " Where a large fissure exists (as in Fig. 12), the smaller pieces of stone in it are on this account best placed with the narrowest edge or point upwards—not downwards. Stock Photo")
. Alpine flowers for English gardens . Mountain plants. ALPINE FLOWERS. Part I. tions between the soil and rock) sooner or later. The same principle applies to small stones and fissures. " To prevent undue evaporation in the case of such .fissures as M, stones, larger or smaller, may be laid on the top of the soil (as in M, Fig. 11), care being taken not to cover too much of it, to the exclusion of rain.. Right Wrong " Where a large fissure exists (as in Fig. 12), the smaller pieces of stone in it are on this account best placed with the narrowest edge or point upwards—not downwards. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/alpine-flowers-for-english-gardens-mountain-plants-alpine-flowers-part-i-tions-between-the-soil-and-rock-sooner-or-later-the-same-principle-applies-to-small-stones-and-fissures-quot-to-prevent-undue-evaporation-in-the-case-of-such-fissures-as-m-stones-larger-or-smaller-may-be-laid-on-the-top-of-the-soil-as-in-m-fig-11-care-being-taken-not-to-cover-too-much-of-it-to-the-exclusion-of-rain-right-wrong-quot-where-a-large-fissure-exists-as-in-fig-12-the-smaller-pieces-of-stone-in-it-are-on-this-account-best-placed-with-the-narrowest-edge-or-point-upwardsnot-downwards-image232080205.htmlRMRDG4JN–. Alpine flowers for English gardens . Mountain plants. ALPINE FLOWERS. Part I. tions between the soil and rock) sooner or later. The same principle applies to small stones and fissures. " To prevent undue evaporation in the case of such .fissures as M, stones, larger or smaller, may be laid on the top of the soil (as in M, Fig. 11), care being taken not to cover too much of it, to the exclusion of rain.. Right Wrong " Where a large fissure exists (as in Fig. 12), the smaller pieces of stone in it are on this account best placed with the narrowest edge or point upwards—not downwards.
. Soils, their properties and management. Soils. IRRIGATION AND DRT-FAUMING 705 sometimes the case in strawberries, in order to permit harvesting. In orchard culture two or more furrows are placed between each two rows. Often for young trees a furrow is placed on either side at a distance of about two feet, this distance being increased as the trees increase in size. The furrows are temporary and are usually renewed after each application of water, as the establishment of a soil mulch is necessary in order to prevent excessive loss of water by evaporation. 604. Size and form of furrows. â In s Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/soils-their-properties-and-management-soils-irrigation-and-drt-fauming-705-sometimes-the-case-in-strawberries-in-order-to-permit-harvesting-in-orchard-culture-two-or-more-furrows-are-placed-between-each-two-rows-often-for-young-trees-a-furrow-is-placed-on-either-side-at-a-distance-of-about-two-feet-this-distance-being-increased-as-the-trees-increase-in-size-the-furrows-are-temporary-and-are-usually-renewed-after-each-application-of-water-as-the-establishment-of-a-soil-mulch-is-necessary-in-order-to-prevent-excessive-loss-of-water-by-evaporation-604-size-and-form-of-furrows-in-s-image231932034.htmlRMRD9BJX–. Soils, their properties and management. Soils. IRRIGATION AND DRT-FAUMING 705 sometimes the case in strawberries, in order to permit harvesting. In orchard culture two or more furrows are placed between each two rows. Often for young trees a furrow is placed on either side at a distance of about two feet, this distance being increased as the trees increase in size. The furrows are temporary and are usually renewed after each application of water, as the establishment of a soil mulch is necessary in order to prevent excessive loss of water by evaporation. 604. Size and form of furrows. â In s
. An introduction to vegetable physiology. Plant physiology. 94 VEGETABLE PHYSIOLOGY A more elaborate method of demonstrating transpiration consists in placing the end of a cut branch in a small glass vessel, preferably a U-tube, filled with water, as shown in fig. 63. The branch passes through the cork of the vessel in such a way as to prevent any escape or evaporation of water at that point. Communicating with the other arm of the U-tube is a side tube, bent at right angles, which dips into the water through a perforated cork. This tube is also filled with water. As transpiration proceeds th Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/an-introduction-to-vegetable-physiology-plant-physiology-94-vegetable-physiology-a-more-elaborate-method-of-demonstrating-transpiration-consists-in-placing-the-end-of-a-cut-branch-in-a-small-glass-vessel-preferably-a-u-tube-filled-with-water-as-shown-in-fig-63-the-branch-passes-through-the-cork-of-the-vessel-in-such-a-way-as-to-prevent-any-escape-or-evaporation-of-water-at-that-point-communicating-with-the-other-arm-of-the-u-tube-is-a-side-tube-bent-at-right-angles-which-dips-into-the-water-through-a-perforated-cork-this-tube-is-also-filled-with-water-as-transpiration-proceeds-th-image232358828.htmlRMRE0T1G–. An introduction to vegetable physiology. Plant physiology. 94 VEGETABLE PHYSIOLOGY A more elaborate method of demonstrating transpiration consists in placing the end of a cut branch in a small glass vessel, preferably a U-tube, filled with water, as shown in fig. 63. The branch passes through the cork of the vessel in such a way as to prevent any escape or evaporation of water at that point. Communicating with the other arm of the U-tube is a side tube, bent at right angles, which dips into the water through a perforated cork. This tube is also filled with water. As transpiration proceeds th
. Dry-farming; a system of agriculture for countries under a low rainfall. Dry farming. 142 DRY-FARMING. Fig. 33. Many soils check badly. The cracks cause a loss of soil mois- ture. Arid soils (this picture represents a heavy clay as depicted by Lyon and Fippin) often crack extensively. Cultivation wUl prevent the loss of soil-moisture. almost wholly at the surface. Yet it is well known that evaporation from the soil surface may continue until the soil-moisture to a depth of eight or ten. Please note that these images are extracted from scanned page images that may have been digitally enhanced Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/dry-farming-a-system-of-agriculture-for-countries-under-a-low-rainfall-dry-farming-142-dry-farming-fig-33-many-soils-check-badly-the-cracks-cause-a-loss-of-soil-mois-ture-arid-soils-this-picture-represents-a-heavy-clay-as-depicted-by-lyon-and-fippin-often-crack-extensively-cultivation-wul-prevent-the-loss-of-soil-moisture-almost-wholly-at-the-surface-yet-it-is-well-known-that-evaporation-from-the-soil-surface-may-continue-until-the-soil-moisture-to-a-depth-of-eight-or-ten-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-image232113003.htmlRMRDHJE3–. Dry-farming; a system of agriculture for countries under a low rainfall. Dry farming. 142 DRY-FARMING. Fig. 33. Many soils check badly. The cracks cause a loss of soil mois- ture. Arid soils (this picture represents a heavy clay as depicted by Lyon and Fippin) often crack extensively. Cultivation wUl prevent the loss of soil-moisture. almost wholly at the surface. Yet it is well known that evaporation from the soil surface may continue until the soil-moisture to a depth of eight or ten. Please note that these images are extracted from scanned page images that may have been digitally enhanced
