1. Institute of Crop Science and Resource Conservation (INRES), University of Bonn , Katzenburgweg 5, 53115 Bonn , Germany
2. Leibniz Centre for Agricultural Landscape Research , Eberswalder Straße 84, 15374 Müncheberg , Germany
3. xarvioTM BASF Digital Farming GmbH , Im Zollhafen 24, 50678 Köln , Germany