重庆市蔬菜基地土壤环境质量状况及对策措施

Status Quo of Soil Environmental Quality of Vegetable Production Bases and Countermeasures in Chongqing

依据我国《食用农产品产地环境质量评价标准》(HJ332-2006),采用单项质量指数和综合质量指数法,以白市驿蔬菜基地为例,结合全市33个蔬菜基地监测结果,对重庆市蔬菜基地土壤环境质量进行了评价和分析,表明蔬菜基地土壤环境质量总体较好,但土壤中汞和镉等重金属出现不同程度的超标。本文分析了蔬菜基地土壤受污染的原因,提出了改善土壤环境质量的对策措施。

Complying with the farmland environmental quality assessment criterion for edible agricultural products（HJ332-2006） and adopting the single quality index means and the synthetic quality indices means,the soil environmental quality in Baishiyi vegetable production base as well as other 33 bases else in Chongqing City,were assessed and analyzed.The results showed that generally the soils environment quality in vegetable bases were good,but the contents of mercury and cadmium were over the standard in different levels.In this paper,the causes for the soil pollution were discussed,and some measures to improve the soil environmental quality were proposed.