CAJ | 학술논문

针对目前土壤-农作物镉污染问题，以浙江省40个县（市、区）主要优势农产品产区为研究对象，在粮食、油菜、蔬菜种植地以及茶园和果园土壤中共采集898个单元土壤样品及相对应的五大类农作物，并对其镉含量进行分析评价；同时采用富集系数比较不同农作物对土壤重金属镉的吸收差异。结果表明，研究区产地土壤和农作物的镉含量存在一定程度超标，土壤超标率为10.69%，农作物超标率为4.57%。不同农作物对土壤镉的富集系数差异较大，变化范围在0.002～0.257之间。土壤-农作物镉含量的相关性并不显著。
침대목전토양-농작물력오염문제，이절강성40개현（시、구）주요우세농산품산구위연구대상，재양식、유채、소채충식지이급다완화과완토양중공채집898개단원토양양품급상대응적오대류농작물，병대기력함량진행분석평개；동시채용부집계수비교불동농작물대토양중금속력적흡수차이。결과표명，연구구산지토양화농작물적력함량존재일정정도초표，토양초표솔위10.69%，농작물초표솔위4.57%。불동농작물대토양력적부집계수차이교대，변화범위재0.002～0.257지간。토양-농작물력함량적상관성병불현저。
In the study, a total of 898 soil samples and the corresponding crops were collected from paddy field, vegetable land, tea garden and fruit land in Zhejiang province. The total Cd content of soils and crops were chemically analyzed in the laboratory. The difference of the concentration index among the five groups of crop was compared. The result showed that 10.63%of the whole soils were assessed as the pol-luted level according to the second grade of Standards for Soil Environmental Quality of China(GB 15618-1995), and 4.57%of the crops were polluted. The concentration index among the five groups of crops was obviously different, changing from 0.002 to 0.257, while no signifi-cant correlation of total Cd content existed between soils and the relative crops.