Monitoring Crop Nitrogen Status Across the US Corn Belt Using Airborne-Satellite Cross-Scale Sensing
Zhao Jiang1, Kaiyu Guan1, Sheng Wang1, Emerson D Nafziger2, Ignacio Ciampitti3, Alyssa K Whitcraft4, Jones John Jr.2, Qu Zhou1, Ziyi Li1, John Pike5 and Dan Schaefer6, (1)University of Illinois Urbana-Champaign, Agroecosystem Sustainability Center, Institute for Sustainability, Energy, and Environment, Urbana, United States, (2)University of Illinois Urbana-Champaign, Department of Crop Sciences, Urbana, United States, (3)Purdue University, Department of Agronomy, West Lafayette, United States, (4)University of Maryland College Park, Geographical Sciences, College Park, United States, (5)Illinois Fertilizer and Chemical Association, Bloomington, IL 61701, USA, Bloomington, United States, (6)Illinois Fertilizer & Chemical Association, Bloomington, United States