垫江牡丹主产区土壤环境质量分析与评价

Analysis and Evaluation of Soil Environment Quality of Peony in Dianjiang County of Chongqing

目的研究垫江牡丹主产区土壤重金属含量与农残状况,以便为牡丹GAP基地的建设提供科学参考。方法对主产区土壤环境质量现状进行调查分析,应用单项污染指数法和综合污染指数法进行了评价。结果该区土壤的各种污染物的污染指数均小于0.7,污染水平远低于《农产品安全质量无公害蔬菜产地环境质量要求》(GB/T18407.1-2001)标准。结论符合绿色药材栽培的环境质量要求。

Objective To study the heavy metals and pesticide residue in the chief soils of Peony in Dianjiang County of Chongqing, and provide a basis for the GAP base establishment. Methods The soil environment quality of the chief soils was analyzed by investigation, and evaluated by means of single pollution index and synthetic pollution indices. Results The result of the research indicated that the pollution index of all sorts of pollution in the soil was less than 0.7, lower than the level of pollution ruled by GB/T18407.1 -2001. Conclusion The soil environment quality meets the requirement of the organic drug culture environment.