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Science 6 June 1980:
Vol. 208. no. 4448, pp. 1108 - 1113
DOI: 10.1126/science.208.4448.1108
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Articles
No-Tillage Agriculture
Ronald E. Phillips 1,
Grant W. Thomas 1,
Robert L. Blevins 2,
Wilbur W. Frye 2, and
Shirley H. Phillips 3
1 Professors in the Department of Agronomy, College of Agriculture, University of Kentucky, Lexington 40546
2 Associate professors in the Department of Agronomy, College of Agriculture, University of Kentucky, Lexington 40546
3 Assistant director of the Cooperative Extension Service for Agriculture, Lexington 40546
The no-tillage cropping system, a combination of ancient and modern agricultural practices, has been rapidly increasing in use. By the year 2000, as much as 65 percent of the acreage of crops grown in the United States may be grown by the no-tillage practice. Soil erosion, the major source of pollutants in rural streams, is virtually eliminated when no-tillage agriculture is practiced. The no-tillage system reduces the energy input into corn and soybean production by 7 and 18 percent, respectively, when compared to the conventional tillage system of moldboard plowing followed by disking. In addition, crop yields are as high as or higher than those obtained with traditional tillage practices on large areas of agricultural land.
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