Crop residual removal and tillage; effect on soil eresion and nutrient loss in the corn belt

Lindstorm, M.J

Crop residual removal and tillage; effect on soil eresion and nutrient loss in the corn belt - [Washington] USDA 1981 - 28cm. 33 - (USDA Agriculture research Service. Agricul......no.422) .


SOIL ERSOIN I..

SOIL ERSOIN I..

631.45 L64C

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