. Productive soils; the fundamentals of successful soil management and profitable crop production. Soils. Fig. 125.—Sixty-nine and one-half bushels of oats per acre. Unfertilized. (See Fig. 126.) Bundles represent growth on one square rod. (Wisconsin Station.) 1. Fig. 126.—Eighty-seven bushels per acre when fertilized with three hundred pounds of acid phosphate per acre. (Wisconsin Station.) important a subject, it will be discussed in a chapter by itself. In this chapter special consideration will be given nitrogen, phos- phorus; and Please note that these images are extracted fro


. Productive soils; the fundamentals of successful soil management and profitable crop production. Soils. Fig. 125.—Sixty-nine and one-half bushels of oats per acre. Unfertilized. (See Fig. 126.) Bundles represent growth on one square rod. (Wisconsin Station.) 1. Fig. 126.—Eighty-seven bushels per acre when fertilized with three hundred pounds of acid phosphate per acre. (Wisconsin Station.) important a subject, it will be discussed in a chapter by itself. In this chapter special consideration will be given nitrogen, phos- phorus; and 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