山西太谷县部分蔬菜基地土壤重金属污染评价

Evaluation of Heavy Metal Pollution of Soil in Vegetables Production Base of Taigu

为摸清太谷县蔬菜基地土壤重金属含量状况,依据《绿色食品产地环境质量现状评价导则》的要求,对太谷县蔬菜产地的土壤环境质量进行调查分析。结果表明:除土壤中铅外,蔬菜产地各项污染因子的污染指数均小于1,满足国家标准的限定值;污染水平为清洁或尚清洁。太谷县蔬菜基地土壤符合A级绿色食品的生产要求。

To find out content status of heavy metals in soil of vegetables production base in Taigu, according to the request of ＂ Evaluation on Environmental Quality of the Production Base for Green Food＂, the authors had investigated and appraised the soil in the vegetables production base in Taigu. The results showed that all of pollution indexes except Pb in soil were not more than 1 and could meet the requirement of national standard. The pollution level is at clean or still clean grade. The soil of vegetables production base in Taigu is eligible for growing A-grade green food.