Detecting in-season crop nitrogen stress of corn for field trials using UAV- and CubeSat-based multispectral sensing
Yaping Cai1, Kaiyu Guan2, Emerson D Nafziger3, Girish Chowdhary4, Bin Peng5, Zhenong Jin6, Shao-Wen Wang1 and Sibo Wang7, (1)University of Illinois at Urbana Champaign, CyberGIS Center for Advanced Digital and Spatial Studies, Department of Geography and Geographic Information Science, Urbana, IL, United States, (2)University of Illinois at Urbana Champaign, College of Agricultural, Consumer and Environmental Sciences, Urbana, IL, United States, (3)University of Illinois at Urbana Champaign, Department of Crop Sciences, Urbana, IL, United States, (4)University of Illinois at Urbana Champaign, Department of Agricultural and Biological Engineering, Coordinated Science Lab (CSL), Urbana, United States, (5)University of Illinois at Urbana Champaign, National Center for Supercomputing Applications, Urbana, IL, United States, (6)University of Minnesota-Twin Cities, Department of Bioproducts and Biosystems Engineering, Saint Paul, MN, United States, (7)University of Illinois at Urbana Champaign, Department of Natural Resources and Environmental Sciences, Urbana, IL, United States