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1、2013-02,34(1)中国烟草科学ChineseTobaccoScience45曲靖土壤类型分布及养分特征11*12343侯小东,刘新民,杜咏梅,解燕,文俊,顾毓敏,杨天旭(1.中国农业科学院烟草研究所,青岛266101;2.云南烟草公司曲靖市公司,云南曲靖655000;3.广东中烟工业有限公司,广州510145;4.上海烟草集团有限责任公司,上海200082)摘要:为了解云南曲靖不同植烟土壤类型的分布情况及养分特征,采集曲靖市9个县(市)土壤样品进行了分析。结果表明,曲靖市植烟土壤可分为6类(石灰岩土、黄壤
2、、紫色土、红壤、水稻土和新积土)。红壤在各县均有广泛分布,水稻土主要分布在陆良北部,马龙大部,沾益的西部,新积土主要分布在除沾益和师宗的陆良其他县(市),此3种土壤类型相似,主要为壤土,有机质、碱解氮含量很丰富,速效磷含量丰富,速效钾丰缺比例相当。黄壤分布在罗平大部和富源南部,以黏土为主,各种养分均很丰富。石灰岩土主要分布于宣威的普立,质地以壤土为主,有机质和碱解氮含量很丰富,速效磷和速效钾缺乏。紫色土主要分布在宣威、会泽的北部,其他县市有零散分布,主要为壤土,有机质、碱解氮含量丰富,但与其他土类相比含量最低,速
3、效磷含量丰富。关键词:土壤类型;分布;养分;烤烟;曲靖中图分类号:S572.06文章编号:1007-5119(2013)01-0045-06DOI:10.3969/j.issn.1007-5119.2013.01.009SoilTypeDistributionandNutrientContentsinQujing11*12343HOUXiaodong,LIUXinmin,DUYongmei,XIEYan,WENJun,GUYumin,YANGTianxu(1.TobaccoResearchInstituteofC
4、AAS,Qingdao266101,China;2.QujingTobaccoCompanyofYunnanProvince,Qujing,Yunnan655000,China;3.ChinaTobaccoGuangdongIndustrialCo.,Ltd,Guangzhou510145,China;4.ShanghaiTobaccoGroupCo.,Ltd.,Shanghai200082,China)Abstract:Tofindoutsoiltypedistributionandsoilnutrientch
5、aracteristicsinQujing,soilsamplesweretakenfrom9countiesofQujingandtheirnutrientcontentsweredetermined.Theresultsshowedthattherewere6soiltypes,includinglimestonesoil,yellowsoil,purplesoil,redsoil,paddysoilandalluvialsoil.LimestonesoilwasmainlylocatedinPuli,Xua
6、nwei.TheorganicmattercontentandavailablenitrogeninLimestonesoilwereextremelyrich,theavailablephosphorusandavailablepotassiumcontentswereinsufficient.TheyellowsoilwasmainlylocatedinthemostofLuopingandthesouthernFuyuan.Thecontentsofallnutrientsintheyellowsoilwe
7、rerich.ThepurplesoilwasmainlylocatedinthenorthernXuanweiandHuize,andalsoscatteredintheotherareas.Inthepurplesoil,theorganicmattercontentsandavailablenitrogenwererich,butsignificantlylowerthantheothersoiltypes,thecontentofavailablephosphoruswasrich,thecontento
8、favailablepotassiumwasrichorlack.Redsoilwaslocatedinallcounties.PaddysoilwasmainlylocatedinthenorthernLuliang,mostofMalongandthewestofZhanyi.AlluvialsoilwaslocatedinadditiontoZhanyi,Shizo