| Calibrations for all instruments would be done once a year |
| Maize crop |
| 'Integrated observation and simulation on vegetation-atmosphere interactions over typical terrestrial ecosystems' funded by National Natural Science Foundation of China (40625015) |
| 'Aridification in northern China and human being adaptation' funded by State Science and Technology Committee (2006CB400502) |
| 'Mechanism of environmental pollution and ecological rehabilitation in Northeast industry base' funded by State Science and Technology Committee (2004CB418507-1) |