Calvin Shumway

Arkansas State University
PO Box 1080
College of Agriculture
Arkansas State University
State University, AR
USA 72467
Email: cshumway@astate.edu

Papers:
109-6 Using Long-Term Evaluations of Arkansas Cropping Systems to Reduce Nitrate Leaching and N2O Emissions.
109-7 Assessment of Nitrogen Management and Cropping Systems in the Arkansas Delta Irrigation Systems.