1. State Key Laboratory of Soil
and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, No. 71 East Beijing Road,
Nanjing 210008, China
2. Graduate School of the Chinese Academy of Sciences, Beijing 100049,
China
3. Department
of Chemistry and
Biochemistry, Old Dominion University,
4541 Hampton Boulevard, Norfolk, Virginia 23529, United States
4. Northeast Institute of Geography
and Agricultural Ecology, Chinese Academy of Sciences, Harbin 150040, China