Key Laboratory of Agro-Ecological Processes in Subtropical Region;
Institute of Subtropical Agriculture;
Chinese Academy of Sciences Changsha 410125;
P.R.China;
Institute of Agriculture Ecological and Environmental Health;
Qingdao Agricultural University;
Qingdao 266109;
P.R.China;
Graduate University of Chinese Academy of Sciences;
Beijing 100049;
P.R.China;