. Productive soils; the fundamentals of successful soil management and profitable crop production. Soils. HOW TO TELL ACID SOILS 235. FiQ. 150.— Two weeds that thrive on acid soils when clover or alfalfa fails. To left, horse- tail rush; to right, sheep sorrel, or horse sorrel. (Wisconsin Station.). 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