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时间:2020-05-30
《皖南典型烟区烟叶重金属、氯元素的外源调查.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、江西农业学报2014,26(10):72~75ActaAgriculturaeJiangxi皖南典型烟区烟叶重金属、氯元素的外源调查闫9,郭东锋,姚忠达,张继光,刘新民h(1.中国农业科学院烟草研究所,山东青岛266101;2.安徽中烟有限责任公司技术中心,安徽台肥230088)摘要:采集皖南典型烟叶种植片区宣城烟田土壤以及皖南烟区主要的烟草肥料和烟田灌溉水样品,分析了其中的重金属和氯元素含量,并与国家相应标准中的限量进行了对比。结果表明:(1)烟田土壤As含量为限量标准的7.8%~14.7%.Cd为20%~30%,Cr为25.2%一38.0%,Cu为27.O%
2、~36.8%,Hg为30.0%~96.7%,Pb为8.2%~10.3%,C1为28.9%~124.7%,个别烟田土壤Hg含量偏高,部分烟田土壤cl含量超出限量标准。(2)烟草肥料As含量为限量标准的1.2%91.7%,Cd为0,Cr为0~5.1%,Hg为0~4.9%,Pb为0~10.7%,CI为0.2%~39.7%,但磷酸二铵中的As含量相对较高。(3)灌溉水As、Pb含量远低于限量标准,cd、cr、cu、Hg含量为0,c1为1.9%~2.6%。因此,皖南典型烟区土壤、肥料、灌溉水中的重金属、氯元素尚属安全级别。关键词:重金属;氯元素;土壤;肥料;灌溉水;皖南中
3、图分类号:X592文献标志码:A文章编号:1001—8581(2014)10—0072—04InvestigationonExogenousHeavyMetalandChlorineContentsinTobaccoLeavesinTypicalTobacco——plantingAreasofSouthernAnhuiYANNing。,GUODong—feng,YAOZhong—da。,ZHANGJi—guang,LIUXin—min(1.TobaccoResearchInstitute,ChineseAcademyofAgriculturalSciences,
4、Qingdao266101,China;2.TechnologyCenter,ChinaTobaccoAnhuiIndustrialCompanyLimited,Hefei23O088,China)Abstract:ThesamplesoftobaccofieldsoilsinXuanchengcity,aswellasthesamplesofmainfertilizersandirrigationwaterfortoboc~productioninsouthernAnhuiwerecollected,andthecontentsofAs,Cd,Cr,Cu,Hg
5、,PbandC1inthesesamplesweremeasured.TheresultsshowedthatthecontentsofAs.Cd.Cr,Cu,Hg,PbandC1intobaccofieldsoilswere7.8%~14.7%,20%~30%.25.2%一38.0%。27.O%~36.8%。30.0%一96.7%,8.2%~10.3%and28.9%~124.7%oftherelevantna—tionallimitstandards,respectively,butHgcontentinseveraltobaccofieldsoilswas
6、relativelyhigh,andClcontentinsometobaccofieldsoilsexceededthelimitstandard.ThecontentsofAs,Cd,Cr,Hg,PbandC1infertilizersfortobaccowere1.2%~91.7%,0%。0%~5.1%,0%4.9%,0%一10.7%and0.2%一39.7%oftherelevantnationallimitstandards,respectively,butthecontentofAsindiammoniumphosphatefertilizerwas
7、relativelyhigh.Intheirrigationwaterfortobaccoproduction.thecontentsofAsandPbwerefarlowerthanthelimitstandards,thecontentsofCd,Cr,CuandHgallwere0%,andthecontentofC1was1.9%~2.6%ofthelimitstandard.Sothecontentsofheavymetalandchlorineinsoils.fertilizersandirrigationwaterinthetypi-caltoba
8、cco—planting
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