1. State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation Northwest A&F University Yangling China
2. Institute of Soil and Water Conservation of Chinese Academy of Sciences and Ministry of Water Resources Yangling China
3. Sichuan Huabiaoce Testing Technology Co. Ltd. Chengdu China
4. Shaanxi Provincial Land Engineering Construction Group Co. Ltd. Xi'an China