1. Crop and Environmental Sciences Division, International Rice Research Institute (IRRI), Los Baños, Philippines
2. Soil Science and Microbiology Department, Cuu Long Delta Rice Research Institute, Can Tho, Vietnam
3. Karlsruhe Institute of Technology, Institute for Meteorology and Climate Research, Garmisch-Partenkirchen, Germany
4. Agriculture and Food Canberra, Commonwealth Scientific and Industrial Research Organisation, Canberra, Australia
5. School of Environmental Science and Management, University of the Philippines Los Baños, Los Baños, Philippines