1. Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas, Ministry of Education Northwest A&F University Yangling China
2. Blackland Research and Extension Center Texas A&M AgriLife Research, Texas A&M University Temple Texas USA
3. State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau Northwest A&F University Yangling China
4. College of Water Resources and Architectural Engineering Northwest A&F University Yangling China
5. Department of Construction Northwest A&F University Yangling China
6. Tsinghua Shenzhen International Graduate School, Tsinghua University Shenzhen China