摘要
通过对嘉鱼蔬菜基地表层土壤重金属含量进行调查分析,结果表明,土壤环境质量总体良好,有49.5%的样点达到了绿色食品产地环境条件要求,有90.6%的样点达到了无公害蔬菜产地环境要求,有9.4%的样点有轻微污染,重金属主要污染物为镉(Cd);重金属综合污染指数为0.559,污染水平为清洁和尚清洁的样点占99.034%,轻度污染的样点占0.966%,整个蔬菜基地土壤尚未检出有明显的重金属污染和严重污染的样点;对蔬菜基地大宗蔬菜调查发现蔬菜重金属含量100%达到无公害蔬菜质量要求。
The contents of heavy metal in surface soil of Jiayu vegetable base were studied.The results showed that soil quality was good in general,49.5% of the samples met the need of green producing environmental conditions,90.6% of the samples reached the requirements of pollution-free vegetable production,9.4% of the samples were slightly polluted by heavy metals,especially by Cd.The comprehensive pollution index of heavy metal was 0.559.99.034% of the samples were clean or still clean,0.966% was polluted slightly,and none was seriously polluted.In addition,the contents of heavy metals of all vegetable samples met the need of pollution-free vegetable.
出处
《湖北农业科学》
北大核心
2011年第7期1347-1349,共3页
Hubei Agricultural Sciences
基金
湖北省江汉流域经济区农业地质调查项目(1212010511214)
