1. Northeast Institute of Geography and Agroecology Chinese Academy of Sciences Changchun PR China
2. Da'an Sodic Land Experiment Station, Chinese Academy of Sciences Da'an PR China
3. Key Laboratory of Mollisols Agroecology, Chinese Academy of Sciences Changchun PR China
4. The University of Adelaide Adelaide South Australia Australia
5. NSW Department of Primary Industries Wagga Wagga Agricultural Institute Wagga Wagga New South Wales Australia
6. School of Public Administration Guizhou University Guiyang PR China
7. NSW Department of Primary Industries Elizabeth Macarthur Agricultural Institute Menangle New South Wales Australia