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2022, 41(1) 217-226 DOI:
ISSN: 1004-5589 CN: 22-1111/P |
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Eco-geochemical characteristics of zincin soil-crop systems inriceproducing areas of Northeast China |
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YUHuimin,WANGDongyan,WANGXingjia,SHANGY |
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CollegeofEarthSciences,JilinUniversity,Changchun130061,Chin |
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Abstract:
TakingthemainriceproducingareasinNortheastChinaastheresearchareaandthegeochemistry ofzincinsoilcropsystemsastheresearchobject,systematicfieldinvestigation,collection,testingandstatistical analysisofsoilandricesampleswerecarriedout.Theresultsshowthatthezinccontentsinthetopsoilofricepro ducingareasinNortheastChinarangefrom1101mg/kgto9495mg/kg,withanaverageof4397mg/kg,which aregenerallyinastateofdeficiency.Thezinccontentsofseedsvaryfrom1427mg/kgto3692mg/kg,withan averageof2470mg/kg,9756% ofseedsinthesamplescontaintheamountofzincthatmeetstheneedsofhumanbodyfromgrainandthusareofgoodquality.Thebioconcentrationfactorsofzincinriceseedsfromhightolow isgrasslandsandysoil,meadowsoil,salinepaddysoil,blacksoil,floodedpaddysoil,paddysoil,darkbrownsoil andmeadowalbicsoil.Theenrichmentofzincbyriceseedsshowvariablynegativecorrelationswiththecontentsof boron,germanium,bismuth,cadmium,lead,lithium,berylliumandotherelementsinthetopsoi |
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Keywords:
NortheastChina
soil
rice
zinc
ecogeochemicalcharacteristics
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Received Revised Online: |
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