Crop production during conversion from conventional to low-input methods

by 86635 Liebhardt, W.C., 42885 Andrews, R.W., 60386 Culik, M.N., 76379 Harwood, R.R., 80456 Janke, R.R., 80456 Janke, R.R., 108292 Radke, J.K., 110713 Rieger-Schwartz, S.L.
Published 1989