Landscape Position and Buffer Effects on Groundwater Nitrogen.
Niranga M Wickramarathne, Crop Sciences, University of Illinois-Urbana-Champaign, Champaign, IL, US, Ranjith P. Udawatta, The Center for Agroforestry, University of Missouri, Columbia, MO, Robert Lerch, USDA-ARS Cropping Systems & Water Quality Research Unit, Columbia, MO, Fengjing Liu, College of Agricultural and Natural Sciences, Jefferson City, MO and Stephen H. Anderson, School of Natural Resources, University of Missouri, Columbia, MO