Linking geospatial information and effects of land management to edaphic properties

Ann-Marie Fortuna is a research soil scientist in the Grazinglands Research Laboratory, USDA Agricultural Research Service (ARS), El Reno, Oklahoma. Jean L. Steiner is a professor emeritus, Grazinglands Research Laboratory, USDA ARS, El Reno, Oklahoma, and adjunct professor, Department of Agronomy, Kansas State University, Manhattan, Kansas. Daniel N. Moriasi is a research hydrologist in the Grazinglands Research Laboratory, USDA ARS, El Reno, Oklahoma. Brian K. Northup is a research ecologist in the Grazinglands Research Laboratory, USDA ARS, El Reno, Oklahoma. Patrick J. Starks is the acting director of the Grazinglands Research Laboratory, USDA ARS, El Reno, Oklahoma.