1. State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau; Northwest A&F University; Yangling China
2. Institute of Soil and Water Conservation; Chinese Academy of Sciences and Ministry of Water Resources; Yangling China
3. Institute of Agriculture and School of Agriculture and Environment; The University of Western Australia; Perth WA Australia
4. CSIRO Agriculture and Food; Wembley WA Australia