包头南郊农田土壤环境质量特征及农作物健康风险评价

包凤琴, 成杭新, 永胜, 周立军, 杨宇亮

Environmental quality characteristics of soil and health risk assessment of crops of farmlands in the southern suburb of Baotou

Bao Feng-Qin, Cheng Hang-Xin, Yong Sheng, Zhou Li-Jun, Yang Yu-Liang

表5 包头南郊农作物根系土重金属元素含量特征值

Table 5 Characteristic value of heavy metal content in crop root soil in the southern suburbs of Baotou

农作物 特征值 镉 铅 锌 农作物 特征值 镉 铅 锌 玉米 最大值/10-6 1.167 380 688 葱 最大值/10-6 1.566 592 960 最小值/10-6 0.141 41 92 最小值/10-6 0.113 29 69 均值/10-6 0.454 176 321 均值/10-6 0.583 228 397 向日葵 最大值/10-6 0.656 325 585 圆白菜 最大值/10-6 1.042 506 866 最小值/10-6 0.089 23 55 最小值/10-6 0.204 72 143 均值/10-6 0.330 141 260 均值/10-6 0.503 208 381