TY - Journal of Yangtze River Scientific Research Institute A1 - XU Zhi,WANG Zhi-jun,FAN Wen-jing,YANG Guang T1 - Spatial Heterogeneity of Nitrogen, Phosphorus and Potassiumof Soil in Forest Grassland Y1 - 2015-01-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 57 EP - 61 VL - 32 IS - 1 UR - http://ckyyb.crsri.cn N1 - 10.3969/j.issn.1001-5485.2015.01.012 ER -