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Couverture : Ecoagriculture

Ecoagriculture

Jeffrey A. McNeely, Sara J. Scherr

2003
Couverture : Green Manure/cover Crops and Crop Rotation in Conservation Agriculture on Small Farms

Green Manure/cover Crops and Crop Rotation in Conservation Agriculture on Small Farms

2011
Couverture : Conservation Agriculture

Conservation Agriculture

2003