土壤—农作物系统中重金属元素地球化学特征及健康风险评价

王志强, 倪萍, 张宏绪, 石天池, 杨建锋, 张惠玲

Geochemical characteristics and health risk assessment of heavy metals in soil-crop systems

WANG Zhi-Qiang, NI Ping, ZHANG Hong-Xu, SHI Tian-Chi, YANG Jian-Feng, ZHANG Hui-Ling

图2 不同作物中5种重金属的富集系数

Fig.2 Enrichment coefficients of five heavy metals in different crops