contour till

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Alternating strips of alfalfa with corn on the contour protects this crop field in northeast Iowa from soil erosion
Originally uploaded in EarthLabs:Drought.

Image 12441 is a 1500 by 2100 pixel JPEG
Uploaded: Jul19 08

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The file is referred to in 6 pages
Photo courtesy of USDA Natural Resources Conservation Service
This item is in the public domain
and maybe reused freely without restriction.