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Research ArticleResearch Section

Are cover crops being used in the US corn belt?

J. W. Singer, S. M. Nusser and C. J. Alf
Journal of Soil and Water Conservation September 2007, 62 (5) 353-358;
J. W. Singer
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S. M. Nusser
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C. J. Alf
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ABSTRACT:

The benefits of using cover crops are well established, but adoption in agronomic farming systems is unknown. The objectives of this study were to quantify cover crop use and identify factors associated with their adoption. A mail survey was sent to 3,500 farmers in the US corn belt (Illinois, Indiana, Iowa, and Minnesota) to quantify farming practices and cover crop use. An estimated 18% of farmers have used cover crops, including 11% who planted cover crops sometime in the last five years, and 8% who planted cover crops in the fall of 2005. In the fall of 2005, farmers who used cover crops planted them on 6% of the land area for the average size farm. Logistic regression results indicated that crop diversity in a farm operation was the most consistent and important factor related to the use of cover crops. Corn belt farmers believe that cover crops are most effective at reducing soil erosion (96%) and increasing soil organic matter (74%). Approximately 56% of farmers indicated that they would plant cover crops if cost-sharing was available. The mean minimum payment required as an incentive to plant cover crops would be approximately $56.81 ha−1 ($23 ac−1).

Footnotes

  • Jeremy W. Singer is a research agronomist at the National Soil Tilth Laboratory, USDA Agricultural Research Service, Ames, Iowa. Sarah M. Nusser is a professor and Cherie J. Alf is a graduate research assistant in the Department of Statistics at Iowa State University, Ames, Iowa.

  • Copyright 2007 by the Soil and Water Conservation Society

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Journal of Soil and Water Conservation: 62 (5)
Journal of Soil and Water Conservation
Vol. 62, Issue 5
September/October 2007
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Are cover crops being used in the US corn belt?
J. W. Singer, S. M. Nusser, C. J. Alf
Journal of Soil and Water Conservation Sep 2007, 62 (5) 353-358;

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Are cover crops being used in the US corn belt?
J. W. Singer, S. M. Nusser, C. J. Alf
Journal of Soil and Water Conservation Sep 2007, 62 (5) 353-358;
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