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United States Department of Agriculture

Agricultural Research Service

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Image Number K7520-8

Protective crop residue has been left on the surface of the low-till area at left, where soil scientist Joe Bradford is standing. In contrast, conventional tillage exposes the soil to wind and water erosion in the adjoining field where agronomist Jim Smart kneels. Deep tillage also disrupts the activities of beneficial microbes and earthworms and dissipates soil carbon into the atmosphere.

Photo by Jack Dykinga.



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Last Modified: 5/23/2006