ARS Study: Organic Farming Better Soil Builder than No-Till
July 13, 2007| |
The U.S. Department of Agriculture’s Agricultural Research Service (ARS) scientists have found that organic farming builds up soil organic matter better than conventional no-till farming. Researchers made this discovery during a nine-year study at the Henry A. Wallace Beltsville Agricultural Research Center (BARC).
From 1994 to 2002, ARS plant physiologist John Teasdale compared light-tillage organic corn, soybean and wheat with the same crops grown with no-till plus pesticides and synthetic fertilizers. In a follow-up three-year study, corn was cultivated with no-till practices on all plots to see which ones had the most-productive soils. It was found that the organic plots had more carbon and nitrogen and yielded 18 percent more corn than the other plots did.
To read more, visit http://www.ars.usda.gov/News/docs.htm?docid=1261.
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