Land Use Structure Optimization Research Based on Nitrogenand Phosphorus Output Risky Control in Small Watershed
Xing-xiu YU, Jian-hua LI, Qian-jin LIU, Yuan-zhi WU, Qi-qi SUN, Yan GAO
SCIENTIA GEOGRAPHICA SINICA . 2013, (9): 1111 -1116 .  DOI: 10.13249/j.cnki.sgs.2013.09.1111