the National Natural Science Foundation of China(No.40771086);National Key Technology R&D Program of China (No.2006BAD09B10);Knowledge Innovation Project of Chinese Academy of Sciences (No.KZCX2-XB2-05-01)
De-farming slope farmland has been an effective measure in recent years to improve environment and prevent soil and water loss on the Loess Plateau.There are different views about the defarming method,and also various...