摘要
为给基地烟草的安全生产和重金属污染防治提供科学依据,对某烟草基地进行调查、采样与分析测试,采用单因子和多因子综合污染指数法和潜在生态风险评价法等进行分析。结果表明:该基地土壤中仅Cd的单因子综合污染指数为1.3,污染等级属于轻度污染;综合污染指数为1.0,基地土壤重金属污染等级为警戒线,污染水平为尚清洁。潜在生态风险等级为中度,其中Hg和Cd为最主要的生态风险贡献因子。
To provide scientific basis for safe production and heavy metal pollution control in a cultivated tobacco base, the soil of a cultivated tobacco base was investigated, sampled and experimented. Single factor and multi-factor analysis of integrated pollution index and potential ecological risk assessment method were employed. Results：The single factor analysis of integrated pollution index of Cd is 1. 3, which is within the slight pollution; the multi-factor analysis of integrated pollution index is 1. 0, the heavy metal pollution condition of the soil is on watch, it is still on clean level. The potential ecological risk is moderate, while Hg and Cd were the main factors.
出处
《贵州农业科学》
CAS
2015年第10期210-213,共4页
Guizhou Agricultural Sciences
基金
贵州省科技创新人才团队建设计划项目"贵州省土壤水肥调控与农业环境污染防治科技创新人才团队"[黔科合人才团队(2013)4020]
贵州省土地整理中心计划项目"贵州省土地整治项目耕地质量等级评定"(H130029)
关键词
烟草基地
土壤
重金属
污染指数
生态风险
cultivated tobacco base
soil
heavy metal
pollution indicator
ecological risk
