不同农作物种植对土壤和作物重金属的影响

黄承建, 李祥, 刘小康, 潘庭杰, 雷宁, 罗芳, 赵思毅

Effects of Different Crops Planting on Heavy Metals in Soils and Crops

Huang Chengjian, Li Xiang, Liu Xiaokang, Pan Tingjie, Lei Ning, Luo Fang, Zhao Siyi

表4 不同农作物种植地土壤重金属内梅罗综合污染指数

Table 4 Nemerow comprehensive pollution index under different crop planting fields

作物种植地 Crop planting field PN 污染等级 Pollution level (%) 范围 Range 平均值 Average PN≤0.7 0.7<PN≤1 苎麻地Ramie field 0.54~0.79 0.66±0.02a 62.50 37.50 间套作旱地 Intercropping and relay- cropped dryland 0.25~0.78 0.58±0.07a 62.50 37.50 水稻田Paddy field 0.36~0.55 0.44±0.02b 100.00 0.00