Changes in Soil Quality Indictors After 57 Years of Agriculture in a Central Texas Vertisol.

Diane E. Stott1, Kenneth N. Potter2, Douglas L. Karlen3, Cynthia A. Cambardella3 and Ted M. Zobeck4, (1)USDA-ARS, National Soil Erosion Research Laboratory, West Lafayette, IN, (2)USDA-ARS, Grassland Soil and Water Research Laboatory, Temple, TX, (3)USDA-ARS, National Laboratory for Agriculture and the Environment, Ames, IA, (4)USDA-ARS, Wind Erosion and Water Conservation Research Unit, Lubbock, TX