1. Department of Soil Science and Engineering, Faculty of Agriculture, University of Kurdistan, Sanandaj, Iran
2. Rubenstein School of Environment and Natural Resources, University of Vermont, Burlington, VT, USA
3. Gund Institute for Environment, University of Vermont, Burlington, VT, USA
4. Department of Plant, Food, and Environmental Sciences, Faculty of Agriculture, Dalhousie University, Halifax, Nova Scotia, Canada
5. Department of Geosciences, University of Tübingen, Tübingen, Germany
6. CRC 1070 Resource Cultures, University of Tübingen, Tübingen, Germany
7. DFG Cluster of Excellence “Machine Learning”, University of Tübingen, Tübingen, Germany