. Annual report of the New York State College of Agriculture at Cornell University and the Agricultural Experiment Station. New York State College of Agriculture; Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). 1362 The Cornell Reading-Courses of an acre foot of soil is 3,500,000 pounds. Of nitrogen, the soil usually contains several hundred, and often several thousand, pounds per acre. All this material is normally in a form not readily available, and requires manipulation in the form of drainage, tillage, etc., to release it for crop use. The use of fert
. Annual report of the New York State College of Agriculture at Cornell University and the Agricultural Experiment Station. New York State College of Agriculture; Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). 1362 The Cornell Reading-Courses of an acre foot of soil is 3,500,000 pounds. Of nitrogen, the soil usually contains several hundred, and often several thousand, pounds per acre. All this material is normally in a form not readily available, and requires manipulation in the form of drainage, tillage, etc., to release it for crop use. The use of fertilizers, or the artificial addition of food to the soil, may be, and often is, necessary for the best results. But many farmers make. Fig. 10.—An example of good soil tilth. This physical condition is essential to the proper operation of any soil the mistake of assuming that this is the first and about the only condition of growth, whereas bad physical condition of the soil, lack of humus, poor drainage, or bad tillage, may be much more in need of consideration. Fertilizers should come only after these other conditions have been at- tended to. They are the means by which the store of food in the soil is made available to the plant. It is not often possible to determine by any laboratory analysis the kind of fertilizer to which the soil will respond. The only reliable. 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 New York State College of Agriculture; Cornell University. Agricultural Experiment Station. [Ithaca, N. Y. ?]
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