Efficiency evaluation for remediating paddy soil contaminated with cadmium and arsenic using water m

文档简介PaddysoilsinmanyregionsofChinahavebeenseriouslypollutedbymultipleheavymetalsormetalloids,suchasarsenic(As),cadmium(Cd)andlead(Pb).InordertoensurethesafetyoffoodandtakefulladvantageofthelimitedfarmlandresourcesofChina,exploringaneffectivetechnologytorepaircontaminatedsoilsisurgentandnecessary.Inthisstudy,threetechnologieswereemployed,includingvarietyscreening,watermanagementandfoliagedressing,toassesstheirabilitiestoreducetheaccumulationofCdandAsinthegrainsofdifferentricevarieties,andmeanwhilemonitortherelatedyields.