1. National Engineering Laboratory for Improving Quality of Arable Land; Institute of Agricultural Resources and Regional Planning; Chinese Academy of Agricultural Sciences; Beijing China
2. Department of Microbiology and Plant Biology; University of Oklahoma; Norman OK USA
3. Environmental Science Division and Climate Change Science Institute; Oak Ridge National Laboratory; Oak Ridge TN USA
4. Institute for Environmental Genomics; University of Oklahoma; Norman OK USA
5. Center for Ecological and Environmental Sciences; Northwestern Polytechnical University; Xi'an China
6. School of Forest Resources and Conservation; University of Florida; Gainesville FL USA
7. Center for Ecosystem Science and Society; Northern Arizona University; Flagstaff AZ USA