1. Key Laboratory of Agricultural Water Resources, Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology; Chinese Academy of Sciences; Shijiazhuang 050021 China
2. School of Environmental Sciences & Resources; Shanxi University; Taiyuan 030006 China
3. School of Environmental Science and Engineering; Sun Yat-sen University; Guangzhou China
4. Faculty of Horticulture; Chiba University; Matsudo 271-8510 Japan
5. Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Sciences and Natural Resources Research; Chinese Academy of Sciences; Beijing 100101 China
6. School of Engineering; RMIT University; Melbourne 3001 Australia
7. Texas A&M Agrilife Research Center; El Paso TX 79927 USA