the National Key Basic Research Support Foundation(NKBRSF)of China(G1999011804-04); the Foundation of Knowledge Innovation Program of IAE-CAS(Institute of Applied Ecology,the Chinese Academy of Science).
Nematode communities were monitored in a field study at depths of 0~10 cmand 10~20 cm throughout a corn (Zea mays L.) growing season in the black soil region of NortheastChina. Plots were cropped corn with (IF) and ...