Key Laboratory of Agro-ecological Processes in Subtropical Region;
Institute of Subtropical Agriculture;
Chinese Academy of Sciences;
Changsha 410125;
China;
Huanjiang Observation and Research Station for Karst Ecosystems;
Chinese Academy of Sciences;
Huanjiang 547100;
China;
Department of Soil Science;
University of Wisconsin-Madison;
Madison WI 53705;
USA;
University of Chinese Academy of Sciences;
Beijing 100049;
China;
bacterivore; bottom-up control; fertilization; fungivore; herbivore; nitrogen; soil food web; soilborne pathogen;