TY - Journal of Ecology and Rural Environment A1 - LIU Jun, ZHANG Cheng-fu, SUN Dong-jie, JING Yan-bin T1 - The Impact of Coal Mining on Soil Nutrients and Heavy Metals in Rainfed Farmland in Arid Grassland Area Y1 - 2019-07-25 JF - Journal of Ecology and Rural Environment JO - Journal of Ecology and Rural Environment SP - 909 EP - 916 VL - 35 IS - 7 UR - http://www.ere.ac.cn N1 - 10.19741/j.issn.1673-4831.2018.0441 ER -