. Productive soils; the fundamentals of successful soil management and profitable crop production. Soils. 194 NITROGEN, PHOSPHORUS AND POTASSIUM It is always best to turn the green crop completely under. In this work jointers and coulters are useful (Fig. 74). A chain may also aid in getting the growth turned under the furrow slice (Fig. 131). Sometimes disking before plowing is helpful. Green Manures for Cultivated Crops.—It is a general practice to follow green manures with cultivated crops such as corn, cotton,. FiQ. 131.—Turning under weeds with the aid of a chain. cane, tobacco, potatoes,
. Productive soils; the fundamentals of successful soil management and profitable crop production. Soils. 194 NITROGEN, PHOSPHORUS AND POTASSIUM It is always best to turn the green crop completely under. In this work jointers and coulters are useful (Fig. 74). A chain may also aid in getting the growth turned under the furrow slice (Fig. 131). Sometimes disking before plowing is helpful. Green Manures for Cultivated Crops.—It is a general practice to follow green manures with cultivated crops such as corn, cotton,. FiQ. 131.—Turning under weeds with the aid of a chain. cane, tobacco, potatoes, etc. Cultivation favors the decomposi- tion of the green crop, thereby rendering available more plant- food elements. : \ Green Manuring Necessary in Soil Improvement.—In practi- cally all soil improvement plans, green manuring occupies an important place. In some cases the growing and plowing under of a crop of buckwheat proves the best method in making possible the regeneration of very poor or exhausted soils. Many sands are so poor that rye is the only possible first crop. When the rye crop is plowed under, it makes possible the growing of other green ma- nuring crops, as soybeans, cowpeas, or mammoth clover, which,. 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 Weir, Wilbert Walter, 1882-. Philadelphia London, J. B. Lippincott company
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectsoils, bookyear1920
