茶园土壤重金属乡镇尺度下空间异质性分析——以江浙优质名茶种植园为例
董立宽, 方斌

Analysis of spatial heterogeneity of soil heavy metals in tea plantation: Case study of high quality tea garden in Jiangsu and Zhejiang
Likuan DONG, Bin FANG
表2 土壤硒等级划分界限值
Tab. 2 The boundary value of soil Se level
Se含量(mg/kg) Se效应[23,24]
<0.125 缺乏
0.125~0.175 边缘
0.175~0.400 中等
0.400~3.000 高含量
>3.000 硒中毒