. Productive soils; the fundamentals of successful soil management and profitable crop production. Soils. PULVERIZED LIMESTONE 241. Fig. 156.—^Limestone converted into soil improvement material. This soil is acid even though it is underlaid by 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