Projected erosion in Cerro Gordo County, Iowa. (IMAGE)

University of Massachusetts Amherst

Projected erosion in Cerro Gordo County, Iowa.

Caption

Cerro Gordo County, Iowa and detail of individual farms (inset) soil loss over next 160 years under a conventional plowing scenario. Dark red areas show soil loss of 32.5 cm (12.8 inches); blue show gain of 32.5 centimeters.

Credit

Jeffrey Kwang

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