包頭市綠化樹(shù)種對(duì)土壤重金屬元素的富集作用分析研究.pdf

1、分類(lèi)號(hào)D912.6UDC504.054學(xué)校代碼10129學(xué)號(hào)2009203022包頭市綠化樹(shù)種對(duì)土壤重金屬元素的富集作用分析研究AnalysisSyudyontheEnrichmentofSoilHeavyMetalsbyGreeningTreeSpeciesinBaotouCity申請(qǐng)人:崔冠卿學(xué)科門(mén)類(lèi)：農(nóng)學(xué)學(xué)科專(zhuān)業(yè)：園林植物與觀(guān)賞園藝研究方向：園林植物與人居環(huán)境指導(dǎo)教師：常金寶教授論文提交日期：二〇一二年五月AnalysisSyud

2、yontheEnrichmentofSoilHeavyMetalsbyGreeningTreeSpeciesinBaotouCityAbstractWiththedevelopmentofeconomythewldismarchingtowardacitytochangeindustrialized.Withthedevelopmentofsciencetechnologypeopleconstantlymeetthegrowingma

3、terialneedsalsoisfacedwithaveryseriousenvironmentalpollutionindustrialtransptationemissionsofwastecontainslargeamountsofheavyelementstheseelementsthroughtheairintothesoildirectlyaffectstheagriculturalproductionthenthreat

4、enshumanhealth.ThisarticlethroughtotheBaotouCityareasoilsampleanalysisonthemainroadavarietyofplantstoinvestigatedrawthefollowingconclusions:(1)TherearevarietyheavymetalsinpollutionBaotouCity(2)BaotoucitysoilpH7instructio

5、nsfalkalinesoil(3)SoilheavymetalpollutionisthemostseriousattheBaotourailwayallkindsofmetalcontentexceedingnationalinternationalbackgroundvaluetailingsdamCuCrNicontenthigherthanthebackgroundvaluewldbackgroundvalueBaotoura

6、ilwayPbcontenthigherthanthebackgroundvaluebackgroundvaluecoppercontentofCuhigherthanthebackgroundvaluewldbackgroundvalueotherkindofheavymetalpollutionisnotserious.(4)Fromthepollutionsourceofheavymetalpollutioninthenearer

7、thehigherthedegree(justpollutioncategyisdifferent.)greenspaceconstructiontimeislongermecomplexstructurethefartherfrompollutionsourcethenthepollutiondegreeofheavymetalisarelativelylight.(5)Fconiferousspeciesgrowthpotentia