Estimating Nitrogen Content in Winter Cover Crops Using Sentinel-2 Red-Edge Indices

Alison Nicole Thieme, University of Maryland College Park, College Park, MD, United States, W. D. Hively, U.S. Geological Survey, Lower Mississippi-Gulf Water Science Center, Beltsville, United States, Jyoti Jennewein, USDA, Agricultural Research Service, Sustainable Agricultural Systems Laboratory, Beltsville, MD, United States, Steven B Mirsky, USDA ARS, Sustainable Agricultural Systems Laboratory, Beltsville, United States, Christopher Owen Justice, University of Maryland, Department of Geographical Sciences, College Park, United States and Alyssa K Whitcraft, University of Maryland College Park, Geographical Sciences, College Park, MD, United States