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1、農(nóng)業(yè)環(huán)境科學(xué)學(xué)報(bào)2010,29(3):506—509JournalofAgro—EnvironmentScience太原市污灌區(qū)土壤有效態(tài)銅鋅和錳含量評(píng)價(jià)劉小娟1,解靜芳1,范仁俊2,毛雨廷3,郭曉君1,崔宏莉1(1.山西大學(xué)環(huán)境與資源學(xué)院,太原030006;2.山西省農(nóng)科院植物保護(hù)研究所,太原030031;3.太原市環(huán)境監(jiān)測(cè)中心站,太原030002)摘要:為了研究太原市污水灌溉對(duì)土壤有效態(tài)元素銅、鋅和錳含量的影響,對(duì)太原市污水灌溉區(qū)(小店區(qū)、尖草坪區(qū)、晉源區(qū)和清徐縣)150個(gè)土壤樣品有效態(tài)微量元素銅、鋅和錳的含量和分布進(jìn)行了測(cè)定和分析。結(jié)果表明,長(zhǎng)期污水灌溉導(dǎo)致該區(qū)土壤銅、鋅和
2、錳的含量均高于文獻(xiàn)測(cè)定值。有效銅含量晉源區(qū)>小店區(qū)>清徐縣>尖草坪區(qū),分級(jí)評(píng)價(jià)結(jié)果均以中等級(jí)含量為主;有效鋅含量小店區(qū)>晉源區(qū)>清徐縣>尖草坪區(qū),除小店區(qū)以低、中級(jí)含量為主外,其他3個(gè)污灌區(qū)均以低等級(jí)含量為主;有效錳含量晉源區(qū)>清徐縣>尖草坪區(qū)>小店區(qū),其分級(jí)分布情況變異最大,除小店區(qū)以低等級(jí)含量為主外,其他研究區(qū)域有效態(tài)錳均以高等級(jí)和極高等級(jí)含量為主。整體來(lái)看,研究區(qū)整體缺鋅,有效銅含量適中,有效錳含量較高。關(guān)鍵詞:太原市;污水灌溉;有效態(tài)含量;含量評(píng)價(jià)中圖分類(lèi)號(hào):X833文獻(xiàn)標(biāo)志碼:A文章編號(hào):1672—2043(20LO)03—0506—04TheAssessmentonA
3、vailableContentsofCu,ZnandMninSoilsofSewageIrrigationinTaiyuan,ChinaLIUXiao-juanl,XIEJing-fan91,F(xiàn)ANRen-jun2,MAOYu—tin93,GUOXiao-junl,CUIHong—lil(1.CollegeofEnvironmentandResource,ShanxiUniversity,Taiyuan030006,China;2.InstituteofPlantProtection,ShanxiAcademyofA—griculturalSciences,Taiyuan0300
4、31,China;3.TaiyuanEnvironmentMonitoringCentralStation,Taiyuan030002,China)Abstract:ThepurposeofthisresearchistostudytheeffectsofsewageirrigationontheavailablecontentsofCu,ZnandMnintheareassub—jecttosewageirrigationinTaiyuan.Atotalof150soilsampleswerecollectedfrom4typicalsewagei*Tigationareas(
5、theDistrictsofXiaodian,JiancaopingandJinyuan,andtheCountyofQingxu).TheavailablecontentsofCu,ZnandMnweremeasuredwithatomicabsorptionspec-trophotometer.TheanalyticalresultsshowedconsistentlyhigherlevelsofCu,ZnandMnthanthoseinrecordedinpreviousliteratures,mostlikelyduetolong—termapplicationofsew
6、ageirrigationintheseareas.ThedistributionlevelofavailablecontentsofCuinsoilswasidentifiedas:Jinyuan>Xiaodian>Qingxu>Jiancaoping.HierarchicalanalysisshowedthattheCuconcentrationwasatmoderatelevelinmostsoilsam-ples.ForZn,thedistributionofsoilavailablecontentswas:Xiaodian>Jinyuan>Qingxu>Jiancaop
7、ing.ItwasnotedthattheZncontentvariedfromdeficienttomoderatelevelsinXiaodian,whileremaininglowdegreeintherest3areas.TheavailablecontentofMnwasrankedasJinyuan>Qingxu>Jiancaoping>Xiaodian.SoilMnshowedthegreatestvariationsindistributioninTaiyuan,