Metabolic Activity and Soil Quality in Four Midwestern Watersheds.
Diane E. Stott1, Douglas L. Karlen2, Robert J. Kremer3, Kevin King4 and Cynthia A. Cambardella2, (1)Soil Health Division, USDA-NRCS, West Lafayette, IN, (2)USDA-ARS National Laboratory for Agriculture and the Environment, Ames, IA, (3)Plant Sciences, USDA-ARS, Columbia, MO, (4)USDA-ARS, Columbus, OH