TY - Journal of Yangtze River Scientific Research Institute A1 - CHEN Jian-ping,DING Ji-yu,WU Zi-jie T1 - Mechanism of Migration and Conversion of Nitrogen Fertilization in Groundwater Y1 - 2015-02-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 24 EP - 29 VL - 32 IS - 2 UR - http://ckyyb.crsri.cn N1 - 10.3969/j.issn.1001-5485.2015.02.006 ER -