Legacy Effects of Long-Term Nitrogen Fertilizer Rate on Nitrogen Use Efficiency in Continuous Corn.
Hanna Poffenbarger, Plant and Soil Sciences, University of Kentucky, Lexington, KY, US, John E. Sawyer, Department of Agronomy, Iowa State University, Ames, IA, Dan Olk, National Laboratory for Agriculture and the Environment, USDA-ARS, Ames, IA, Johan Six, Department of Environmental Systems Science, ETH, Zurich, Switzerland and Michael J. Castellano, Iowa State University, Ames, IA, US