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1、mg.kg-1、0.2485mg.kg-1、0.1133mg.kg-1。关键词：蔬菜；镉；改良剂；有机肥；重金属形态IIAbstractBeinglargenumberofsoilsingreenhouseconcentratedinlarge,suburbanareas，soilingreenhousepollutioncausedbycertainheavymetalsfromoutsideworld.suchasPb,Hg,Cd,As,inwhichheavymetalpollutioninsoil,cadmiumislistedasthetopinfivetoxic(Cd,Hg
2、,As,Cr,Pb).VegetableseasilyabsorbedCdfromthesoil,beingpeopleeatalotofvegetables,sothestudyofheavymetalsCdcontentofvegetablesissignificance。Asaresultoflong-termexogenousCdconcentrationinthesoilmakesthesoilheavymetalpollutionbecomingincreasinglyserious.Thisrequirestheuseofreasonablefertilizationto
3、reducethehazardsofheavymetals.Inthisstudy,selectionofradish,chinesecabbageandpeppers,throughcroprotation(radish-chinesecabbage-pepper)tostudyforeffectsofheavymetalsCdinsoilandvegetablesbyorganicmanure(chickenmanure),additives（naturalsilicatemineralsandcarbonatemineralsinthemixture）andexogenousCd
4、(CdSO4).Themainfindingsareasfollows：1AmongXiuninggardensoil,Fanchanggardensoil,Hexiangardensoil,Xiuningnon-gardensoil,Fanchangnon-gardensoil,CdinXiuninggardensoilandXiuningnon-gardensoilexceedstandard2Applicationoforganicmanure（chickenmanure）canincreaseradish,chinesecabbageandpepperplantbiomassa
5、ccumulation.Cdheavymetalpollutioninvegetablesinhibitedthevegetativegrowth.InhibitionofCdandsoilCdcontentwaspositivelycorrelated.AdditivepromotethegrowthofcontaminatedvegetablesbyexogenousCd，significanteliminatetheadverseeffectsofCdpollution.ApplicationoforganicfertilizercanreduceCdcontentofplan
6、tvegetables,whosereductionandCdcontentinsoilwasnegativelycorrelated.Cdheavymetalpollutioninvegetablesinhibitedpeppersgrowth.whosereductionandCdcontentinsoilwaspositivelycorrelated.AdditivessignificantlyreducedtheCdcontentofvegetables3Organicmanure（chickenmanure）canreducethecontentofexchangeableC
7、dandIIIFe-Mnoxide-boundCd.ThecontentofCarbonateCdandorganic-boundCdincreased.mixtureadditivesincreasedthecontentofexchangeableCdinsoil.ThemainexistenceofexogenousCdwhichenteredsoilwereexchangeableCd,carbonateCd,Fe-Mnoxide-bo
