. Effective farming; a text-book for American schools. Agriculture. Farm Machinery 451 type illustrated in Fig. 200 is known as a spading or cutaway harrow. A harrow of this type gives a spading action which is efficient in cutting up clods and smoothing the soil and is espe- cially useful on heavy soils. Spring-tooth harrows. —• In the spring-tooth harrows (Fig. 201) a series of flat, curved blades is fitted on a frame. The depth at which the blades enter the ground can be regulated by means of the levers. These harrows are especially efficient on stony ground or on soil that becomes compacte
. Effective farming; a text-book for American schools. Agriculture. Farm Machinery 451 type illustrated in Fig. 200 is known as a spading or cutaway harrow. A harrow of this type gives a spading action which is efficient in cutting up clods and smoothing the soil and is espe- cially useful on heavy soils. Spring-tooth harrows. —• In the spring-tooth harrows (Fig. 201) a series of flat, curved blades is fitted on a frame. The depth at which the blades enter the ground can be regulated by means of the levers. These harrows are especially efficient on stony ground or on soil that becomes compacted Fig. 202. — Spike-tooth harrow. Spike-tooth harrows. — A much used type of harrow is the spike-tooth (Fig. 202). These harrows consist of a series of iron teeth fitted into a frame in such a way that they can be adjusted to stand in a vertical position or be slanted either forward or backward. They are useful for stirring and smooth- ing the soil. Blade harrows. — The Acme, or blade harrow, which is shown in Fig. 203, consists of a row of blades that slice and turn the soil. This harrow pulverizes and smoothes the soil, espe-. 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 Sampson, Harry Oscar, 1879-. New York, Macmillan
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
