1. College of Natural Resources and Environment Northwest A&F University Yangling 712100 China
2. Department of Soil and Plant Microbiome, Institute of Phytopathology Christian‐Albrechts University of Kiel 24118 Kiel Germany
3. Department of Soil Science, Institute of Plant Nutrition and Soil Science Christian‐Albrechts University of Kiel 24118 Kiel Germany
4. Geo‐Biosphere Interactions, Department of Geosciences University of Tuebingen 72076 Tuebingen Germany
5. Department of Soil Science of Temperate Ecosystems University of Göttingen 37077 Göttingen Germany
6. Department of Environmental Systems Science Physics of Soils and Terrestrial Ecosystems, ETH Zürich 8092 Zürich Switzerland
7. Division of Soil Physics, Bayreuth Center of Ecology and Environmental Research (BayCEER) University of Bayreuth 95440 Bayreuth Germany
8. Department of Land, Air and Water Resources University of California Davis Davis CA 95616 USA
9. Laboratory for Neutron Scattering and Imaging Paul Scherrer Institute 5232 Villigen Switzerland
10. Biogeochemistry of Agroecosystems University of Göttingen 37077 Göttingen Germany