摘要
Alaboratoryincubationexperimentwasconductedtostudytheinfluenceofcadmium(Cd),lead(Pb)andzinc(Zn)onthesizeofthemicrobialbiomassinredsoil.Allthethreemetalswereapplied,separately,atfivedifferentlevelsthatwere:Cdat5,15,30,60,and100μgg^-1;Pbat100,200,300,450and600μgg^-1andZnat50,100,150,200and250μgg^-1soil,InComparisontouncaontaminatedsoil,themicrobialbiomasscarbonandbiomassnitrogendecreasedsharplyinsoilscontaminatedwithCd,PbandZn,AmoreconsiderableincreaseinthemicrobialbiomassC:Nratiowasobservedinthemetalcontaminatedsoilsthanthenon-treatedcontrol.Amongthetestedmetals,CddisplayedthegreatestbiocidaleffectfollowedbyZnandPb,showintheirrelativetoxicityintheorderofCd>Zn>Pb.
出版日期
1998年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)