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  • Institute of Geography (GIS and Remote Sensing group), University of Cologne, Cologne, Germany
  • Department of Plant Nutrition, China Agricultural University, Beijing, China
  • ITC, Faculty of Geo-Information Science and Earth Observation of the University of Twente, Enschede, The Netherlands
  • Environmental Management and Byproduct Utilization Laboratory, USDA-ARS, Beltsville, MD, USA
  • Areawide Pest Management Research Unit, USDA-ARS, College Station, TX, USA
  • Department of Crop and Soil Sciences (Precision Agriculture Group), Colorado State University, Fort Collins, CO, USA
  • Agriculture and Agri-Food Canada (Vegetable Nutrition and Crop Management Group), Quebec, Canada