TY - Journal of Yangtze River Scientific Research Institute A1 - TONG Xiao-xia,CUI Yuan-lai,ZHAO Shu-jun,ZHANG Ping-cang T1 - Simulation on Variation Regularity of Agricultural Non-point Source Pollution by Modified SWAT Model:A Case Study of Fangxi Lake Small Watershed of Ganfu Plain Irrigation District Y1 - 2015-03-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 89 EP - 94 VL - 32 IS - 3 UR - http://ckyyb.crsri.cn N1 - 10.3969/j.issn.1001-5485.2015.03.018 ER -