Long-Term Productivity in Traditional, Organic and Low-Input Management Systems of the Upper Midwest.
Sharon L Weyers1, David W. Archer2, Jane M-F Johnson3, Russell W. Gesch3 and Frank Forcella4, (1)803 Iowa Avenue, USDA-ARS, Morris, MN, US, (2)Northern Great Plains Research Laboratory, USDA-ARS, Mandan, ND, (3)USDA-ARS, Morris, MN, US, (4)USDA-ARS-North Central Soil Conservation Research Laboratory, Morris, MN