文档介绍：温县怀山药种植区土壤重金属含量及污染评价温县怀山药种植区土壤重金属含量及污染评价第30卷第4期2O11年8月河南理工大学(自然科学版)JOURNALOFHENANPOLYTECHNICUNIVERSITY(NATURALSCIENCE)V0【.,马莹(河南理工大学资源环境学院,河南焦作454000)摘要:为研究温县怀山药种植区土壤中重金属污染情况,以温县怀山药种植基地中9个有代表性的怀山药田地土壤样品和1个小麦田地土壤样品为研究对象,对土壤中的cu,Cr,Pb,zn,Ni5种重金属元素含量进行分析,实验结果显示研究区9个怀山药田土样中Cu,cr,Pb,zn,,,,,,5种重金属元素的含量均未超标,:V-山药;土壤;重金属;Zn中图分类号:X53文献标识码:A文章编号:1673—9787(2011)04—0485—04ContentandpollutionevaluationofheavymentalfromtheHuaiyamplantingsoilinWenxianWANGHai—lin,MAYing(SchoolofResource&Environment,HenanPolytechnicUniversity,Jiaozuo454000,Henan,China)Abstract:InordertoresearchthesoilheavymentalpolutionintheHuaiyamplantingsoilinWenxian,wecollected9Huaiyamsoilsamplesand1wheatsoilsamplesinthestudyareas,theamountofCu,Cr,Pb,Zn,:inthe9huaiyamsoilsamples,themaximumofthesinglepollutionindexofCu,Cr,Pb,Zn,,,,,,theamountsofthe5heavymentalelementswerenotbeyondthestandardlimitingvalue,thesinglepollutionindexofZnisthehighestofallthe5henvymentals,:Huaiyam;soil;heavymental;Zn0引言怀山药的药用和营养价值很高,,食品安全问题越来越受到人们的重视,对中药材中重金属含量的研究报道表明,绝大部分中药材中都含有一定量的重金属,,植物自身特性,工业"三废"污染,农药与化肥