An online tool for tracking soil nitrogen
Muhammad Umar1, Kamaljit Banger2, Cameron M Pittelkow2, Emerson D Nafziger2 and Junming Wang1, (1)University of Illinois at Urbana Champaign, Center of Atmospheric Science, IL State Water Survey, Urbana, IL, United States, (2)University of Illinois at Urbana Champaign, Crop Sciences, Urbana, IL, United States