【摘要】 目的:对化州市化橘红主产区土壤和化橘红幼果的重金属元素污染状况进行分析、评价。方法:采用国家土壤环境质量标准和商务部药用植物及制剂进出口绿色行业标准,以及通用单项污染指数和综合污染指数评价方法。结果:大部分采样点土壤重金属含量处于一级,小部分处于二级;所有采样点的化橘红果实重金属含量低于限量指标。结论:化州市化橘红主产区土壤环境质量总体良好。更多还原

【Abstract】 Objective: To determine the status of heavy metals contamination in growing area soils and young fruits of Citrus grandis. Method: Application of Nemerow’s index for heavy metals assessment of soil and young fruit of Citrus grandis, as well as according to national environmental quality standard for soils and green trade standards of importing & exporting medicinal plants & preparations. Result: The heavy metals content of most of the growing area soils of Citrus grandis rates as first, and of the rest ones rates as second. The heavy metals content in young fruits of Citrus grandis is within the limitation of quantity of criteria. Conclusion: The environmental quality of growing area soils of Citrus grandis in Huazhou City is totally in good.更多还原