TY - JOURNAL OF NATURAL RESOURCES A1 - WU Lan-fang, OUYANG Zhu, XIE Xiao-li T1 - Nitrogen and Phosphorus Balance of Cropland at Regional Scale for Integrated Crop-Livestock Farming System in Two Different Areas Y1 - 2011-06-20 00:00:00.0 JF - JOURNAL OF NATURAL RESOURCES JO - JOURNAL OF NATURAL RESOURCES SP - 943 EP - 954 VL - 26 IS - 6 UR - {https://www.jnr.ac.cn/EN/10.11849/zrzyxb.2011.06.005} N1 - 10.11849/zrzyxb.2011.06.005 ER -