. Productive soils; the fundamentals of successful soil management and profitable crop production. Soils. 110 LAND DRAINAGE AND IRRIGATION The free movement of air, possible only in a well-drained soil, aids materially in warming it. The most effective soil-warming agent is warm rain water. We all know how quickly the dormant vegetation starts growing in early spring when a warm rain sinlfe. -^--i-^Trt^rccie^rSo//-. 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 no
. Productive soils; the fundamentals of successful soil management and profitable crop production. Soils. 110 LAND DRAINAGE AND IRRIGATION The free movement of air, possible only in a well-drained soil, aids materially in warming it. The most effective soil-warming agent is warm rain water. We all know how quickly the dormant vegetation starts growing in early spring when a warm rain sinlfe. -^--i-^Trt^rccie^rSo//-. 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
