Supported by the National Natural Science Foundation of China (No.50679077);the Knowledge Innovation Programof the Chinese Academy of Sciences (No.KSCX2-YW-N-003);the National Key Technology R&D Program of China(No.2007BAD87B05)
A two-year experiment was carried out on the effect of sprinkler irrigation on the topsoil structure in a winter wheat field. A border-irrigated field was used as the control group. The total soil porosity, pore size ...