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The physiology of crop yield

The physiology of crop yield

Robert K.M. Hay og John R. Porter

Robert K.M. Hay og John ...

Crop ecology

Crop ecology

David J. Connor

Robert S. Loomis

Kenneth G. Cassman

David J. Connor, Robert ...

Ball RedBook - Bind 2: Crop Culture and Production

Ball RedBook - Bind 2: Crop Culture ...