. Productive soils; the fundamentals of successful soil management and profitable crop production. Soils. FiQ. 89.—The full disk Fig. 90.—a double disk harrow. Cutaway disk in rear. T, truck or forecarriage. After Plowing, Harrowing.—The implements commonly used after the plow are the disk and smoothing harrows (Figs. 89, 90, 91 and 92). No other tillage tool can pulverize the soil so thor- oughly and quickly as the disk harrows. Of these, the full disk is in most general use. When the ground is very hard, stony, or when it is tough sod, the cutaway disk is especially good. The spadin

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. Productive soils; the fundamentals of successful soil management and profitable crop production. Soils. FiQ. 89.—The full disk Fig. 90.—a double disk harrow. Cutaway disk in rear. T, truck or forecarriage. After Plowing, Harrowing.—The implements commonly used after the plow are the disk and smoothing harrows (Figs. 89, 90, 91 and 92). No other tillage tool can pulverize the soil so thor- oughly and quickly as the disk harrows. Of these, the full disk is in most general use. When the ground is very hard, stony, or when it is tough sod, the cutaway disk is especially good. The spading. 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