. Productive soils; the fundamentals of successful soil management and profitable crop production. Soils. TILE COMBINED WITH A SURFACE-RUN 123 it is best and less expensive to drain with tile than with open ditches whenever possible. With a few exceptions, an open ditch smaller than six feet deep, three feet wide at the bottom, and fifteen. Fig. 57.—The two protected outlets to the drainage system on this marsh of 125 acres Two steel pipes screened by iron rods. ifv^-rw. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability -
. Productive soils; the fundamentals of successful soil management and profitable crop production. Soils. TILE COMBINED WITH A SURFACE-RUN 123 it is best and less expensive to drain with tile than with open ditches whenever possible. With a few exceptions, an open ditch smaller than six feet deep, three feet wide at the bottom, and fifteen. Fig. 57.—The two protected outlets to the drainage system on this marsh of 125 acres Two steel pipes screened by iron rods. ifv^-rw. 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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License: Licensed
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectsoils, bookyear1920
