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Related to disk plow: disk harrow
disk,farm implement employing a row or rows of concave circular steel disks that cut and pitch the soil in a way somewhat similar to a moldboard plowplow
agricultural implement used to cut furrows in and turn up the soil, preparing it for planting. The plow is generally considered the most important tillage tool.
..... Click the link for more information. . It can be used in many situations where the latter will not work, such as dry crusty soil, rough ground, or sticky gumbo. The one-way disk has essentially replaced other plows in areas where wind erosion of the soil is a problem as it can work the soil without turning it completely over, thus leaving the stubble on top for protection. This type of disk can also be fitted with attachments for seeding small grains.
See H. P. Smith and L. H. Wilkes, Farm Machinery and Equipment (6th ed. 1976); C. Culpin, Farm Machinery (11th ed. 1986).
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disk plow[′disk ‚plau̇]
A plow consisting of a number of disk blades attached to one axle or gang bolt; used for rapid, shallow plowing.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.