| 单词 | disk harrow |
| 例句 | The disk harrow," he continued laughingly, "was broken in a curious way. Sons and Fathers 2011-05-16T02:00:19.893Z Upon the plateau I saw my rusty old disk harrow–a legacy from Milt–standing on the brown earth. The Idyl of Twin Fires On the other hand, the young farmer should consider the range of usefulness of any given type of machine or tool; thus, a disk harrow is more efficient for some purposes than a spring-tooth harrow. The Young Farmer: Some Things He Should Know What are meant by the following terms: No. 1 spring, a corner, a disk harrow, a cradle, a flail, a separator, futures, warehouse certificates? Commercial Geography A Book for High Schools, Commercial Courses, and Business Colleges The disk harrow has some place as a substitute for a plow, but when its use results in making a soil more shallow, the harm is a most serious one. Crops and Methods for Soil Improvement Both of these troubles may be avoided by cutting up the vines with a disk harrow or other implement before covering them. Agriculture for Beginners Revised Edition Sometimes the disk harrow can be used to work up the soil in the orchard in the spring without any plowing at all, especially on loose loams where there are few stones. Apple Growing When the plants grow rankly, it is not easy to bury them properly with the ordinary plow, but in such instances, if cut up with a disk harrow, the work is facilitated. Clovers and How to Grow Them Soils which need the disk harrow should generally be gone over again with some shallower working tool to smooth the surface. The First Book of Farming When a soil is thin, there may be no better preparatory crop than the cowpea, which will not make too rank a growth in the north to prevent its handling with a weighted disk harrow. Crops and Methods for Soil Improvement As soon as the oats were off lots 10 and 11, they were ploughed and crossed with the disk harrow. The Fat of the Land The Story of an American Farm When seeding is to be done immediately after plowing, the plow is followed by the disk harrow, and that in turn is followed by the smoothing harrow. Dry-Farming : a System of Agriculture for Countries under a Low Rainfall The tooth harrow was run again across the rows, the disk harrow following chopped and pulverized the earth into the finest possible condition. Three Acres and Liberty There is temptation to carry the substitution of the disk harrow for the breaking-plow too far. Crops and Methods for Soil Improvement A cut-away or disk harrow should be used to mix the lime with the soil before any moisture causes it to cake. Crops and Methods for Soil Improvement They have no special advantage over the smoothing harrow or the disk harrow, except in places where the attempt is made to cultivate the soil between the rows of wheat. Dry-Farming : a System of Agriculture for Countries under a Low Rainfall It has some value as a pulverizer, but does not seem to have any real advantage over the ordinary disk harrow. Dry-Farming : a System of Agriculture for Countries under a Low Rainfall For following the plow, however, a more useful implement is the disk harrow, which is a comparatively recent invention. Dry-Farming : a System of Agriculture for Countries under a Low Rainfall The disk harrow is also used extensively throughout the summer in maintaining a proper mulch. Dry-Farming : a System of Agriculture for Countries under a Low Rainfall |
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