栗婷,任晓姣,齐髙旺,汪庆华,闫金婷,李巍,杨雍

• 1:西安市农产品质量安全检验监测中心

摘要(Abstract)：

通过对西安市周至猕猴桃产区土壤重金属元素的空间分布特征及生态风险进行分析，结合该地区人们的活动、周围环境影响和土壤背景，深入了解土壤环境质量状况，为产区土壤重金属防控提供理论依据，为猕猴桃高质量发展提供基础保障。在周至县猕猴桃主产区16个乡镇街办，采用梅花五点法采集192个土壤样品，测定土壤严格控制的5种重金属含量(Pb、Cd、Hg、As、Cr),并测定土壤pH值。应用地积累指数、潜在生态风险指数、健康风险指数法结合地统计法和地理信息系统(GIS)对5种重金属指标和pH进行了评价分析。周至猕猴桃产区土壤重金属Pb、Cd、Hg、As和Cr平均含量未超过GB 15618-2018《土壤环境质量农用地土壤风险管控标准》和HJ 332-2006《食用农产品产地环境质量评价标准》规定的限值，总体处于清洁水平。周至猕猴桃产区土壤重金属潜在生态风险低，且没有显著的人体健康风险。

关键词(KeyWords)： 猕猴桃产区;污染指数;潜在生态风险评价;健康风险评价

Abstract:

Keywords:

基金项目(Foundation): 西安市科技计划-农业主导产业发展项目(201806114YF02NC10(1))

作者(Author): 栗婷,任晓姣,齐髙旺,汪庆华,闫金婷,李巍,杨雍

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