. Productive soils; the fundamentals of successful soil management and profitable crop production. Soils. FALL PLOWING 145 fall plowing is best. This results in less loss of nitrogen through leaching, and in the development of a firm seed bed. Furthermore,. Fig. 81.—Subsoil 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