1College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi, PR China
2Key Laboratory of Plant Nutrition and the Agri-environment in Northwest China, Ministry of Agriculture, Yangling, 712100, Shaanxi, PR China
3Fuping Modern Agricultural Comprehensive Experimental Demonstration Station, Northwest A&F University, Fuping 711700, Shaanxi, China
4State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Chinese Academy of Sciences & Ministry of Water Resources, Yangling 712100 (China)
5College of Landscape Architecture and Arts, Northwest A&F University, Yangling 712100, Shaanxi, China
6Consortium on Health, Environment, Education and Research (CHEER), Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, Hong Kong, PR China