. The corn crops: a discussion of maize, kafirs, and sorghums as grown in the United States and Canada. Corn; Kafir corn; Sorghum. PHYSIOLOGY OF COMN PLANT 43. --.â -'i ASH FROM SOIL 1%GREEN WTf :.;.? Fig. 17. â The source of elements supplying a maize plant. About 10 per cent of the green weight (50 per cent of dry weight) is carbon. About 5 per cent is oxygen and 4 per cent hydrogen. The oxygen is derived from the air in combination with carbon, from water or from oxide salts. The hydrogen comes principally from water. Ash from the soil equals about 1 per cent, and nitrogen J per cent of the

. The corn crops: a discussion of maize, kafirs, and sorghums as grown in the United States and Canada. Corn; Kafir corn; Sorghum. PHYSIOLOGY OF COMN PLANT 43. --.â -'i ASH FROM SOIL 1%GREEN WTf :.;.? Fig. 17. â The source of elements supplying a maize plant. About 10 per cent of the green weight (50 per cent of dry weight) is carbon. About 5 per cent is oxygen and 4 per cent hydrogen. The oxygen is derived from the air in combination with carbon, from water or from oxide salts. The hydrogen comes principally from water. Ash from the soil equals about 1 per cent, and nitrogen J per cent of the Stock Photo
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. The corn crops: a discussion of maize, kafirs, and sorghums as grown in the United States and Canada. Corn; Kafir corn; Sorghum. PHYSIOLOGY OF COMN PLANT 43. --.â -'i ASH FROM SOIL 1%GREEN WTf :.;.? Fig. 17. â The source of elements supplying a maize plant. About 10 per cent of the green weight (50 per cent of dry weight) is carbon. About 5 per cent is oxygen and 4 per cent hydrogen. The oxygen is derived from the air in combination with carbon, from water or from oxide salts. The hydrogen comes principally from water. Ash from the soil equals about 1 per cent, and nitrogen J per cent of the green weight. About 80 per cent of the green weight is water, not in com- position.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Montgomery, Edward Gerrard, 1878-. New York, The Macmillan company