摘要
通过对陕西吴起县土壤重金属元素含量特征及分布规律的研究表明,吴起县土壤重金属主要受结构性因素(成土母质、土壤类型)控制,原有空间格局尚未遭到破坏;8种重金属元素环境质量符合一等土壤要求,100%清洁,具有发展无公害和绿色食品产业的巨大潜力;土壤中重金属As、Cd、Pb与农业生产密切相关,Cr主要受石油钻采活动影响。
Researches on the content characteristics and distribution of heavy metals in soil demonstrate that the heavy metals in soil are controlled by structural factors(parent material and soil type)and the original spatial pattern has not been destroyed in Wuqi County.The environmental quality containing 8 kinds of heavy metal elements meets the requirements of first-class soil,which is 100%clean and has great potential to develop pollution-free and green food industry.Heavy metals,As,Cd and Pb,in soil are closely related to agricultural production,and Cr is mainly affected by oil drilling and production activities.
作者
郑强
许强
杨建图
Zheng Qiang;Xu Qiang;Yang Jian-tu(Xi′an Northwest Non-ferrous Geophysical and Geochemistry Exploration Ltd.,Xi′an 710068)
出处
《陕西地质》
2020年第2期95-100,共6页
Geology of Shaanxi
关键词
吴起县
土壤重金属
地球化学特征
环境质量
污染源
Wuqi County
heavy metals in soil
geochemistry
environmental quality
pollution source
