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1、InfluenceofdifferentsoilparametersonthetransferfactorsoiltoplantofCd,CuandZnforwheatandryeM.Puschenreiterando.HorakEinflußverschiedenerBodenparameteraufdenTransferfaktorBoden-PflanzevonCd,CuundZnfürWeizenundRoggen1.Introductiontoxieforanimalandman(ADRIANO,1
2、986).SoilCdismostlyadsorbedatexchangesitesanditsplantavailabilityThemobilityoftheessentialmicronutrientsZnandCuiseloselyrelatedtopHandsoilorganicmattercontent.variesduetodifferentsoilconditionsandisinfluencedbyInpreviousinvestigationsitcouldbedemonstrated,t
3、hatplantspeciesandanumberofsoilparameters,i.e,thechem•elementconten~inplantiseorrelatedwithmobilefraetionsicalformsinwhichthemetalispresentinsoil,pH,CEC,insoilextractedbydifferentproeedures(HAQetal.,1980;contentoforganicmatterandparticlesizedistributionHORA
4、K,1982;BRüMMERetal.,1986;HORAKandKAMEL,(ADRIANO,1986).TheplantavailabiltiyofZnisinfluenced1990;HORNBURG,1991;LOMBIetal.,1998).InsornebypHandclaycontent,whereassoilCuismainlypresentreportsalsotherelationshipbetweentotalmeta!contentinincomplexedform,therefore
5、theavailabilityofCudependssoilandplantlevelswasanalyzed.LOBBEN(1993)foundmostonthemolecularweightoftheCucomplexesanditsthatforvariouscropspeciesthetransferfaetorsforCd,Cr,amountpresentinsoil.UnlikeforZnthepHislessimpor•Cu,Ni,PbandZnareloweroncontaminatedsoi
6、lscom•tantforthemobilityofCu(KABATA-PENIDASandPENDIAS,paredtouncontaminatedcontrolsires,KIEKENSand1992).CAMERLYNCK(1982)reportedthatafterapplieationofCdisconsideredasoneofthemosttoxicelementsforheavymetalstheaeeumulationinplantisloweronheavylivingorganisms.
7、Incontrasttoothertoxieheavymetalsclaysoilsthanonsandysoils.MixingacontaminatedsoilsuchasPborHg,itsmobiliryinsoilandplantisratherhighwithlimeorheavyclaysoileanbeconsideredasaneffec•anditcanbeeasilyaccumulatedinediblepartstolevelstivemethodtodecreaseplantmeta
8、luptakebyincreaseofZusammenfassungBoden,StrohundKornvonWeizenundRoggenvon42verschiedenenlandwirtschaftlichenStandortenÖsterreichswurdenaufdenGehaltvonCd,CuundZnuntersucht.AusdengewonnenenDatenwurdendie