不同品种茶树氮素效率差异研究

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1、Seediscussions,stats,andauthorprofilesforthispublicationat:https://www.researchgate.net/publication/263770581GenotypicDifferenceofNitrogenEfficiencyinTeaPlant[Camelliasinensis(L.)O.Kuntze]Article·June2004CITATIONREADS11494authors,including:XinchaoWangLiangChenC

2、hineseAcademyofAgriculturalSciencesTeaResearchInstituteoftheChineseAcademyofAgriculturalSciences103PUBLICATIONS706CITATIONS123PUBLICATIONS1,087CITATIONSSEEPROFILESEEPROFILEJ.Y.RuanChineseAcademyofAgriculturalSciences59PUBLICATIONS1,013CITATIONSSEEPROFILESomeof

3、theauthorsofthispublicationarealsoworkingontheserelatedprojects:buddormancyViewprojectdisease-resistantmechanismofteaplantViewprojectAllcontentfollowingthispagewasuploadedbyXinchaoWangon10July2014.Theuserhasrequestedenhancementofthedownloadedfile.茶叶科学2004，24（2

4、）：93—98JournalofTeaScience文章编号：1000—369X（2004）02—093—06不同品种茶树氮素效率差异研究※王新超，杨亚军，陈亮，阮建云（中国农业科学院茶叶研究所，农业部茶叶化学工程重点实验室，浙江杭州，310008）摘要：比较了6个茶树品种的氮素效率差异。结果表明，在4种施氮条件下，生物量增加值、新梢生长量、氮素吸收效率、氮素生理利用效率、氮素经济效率和总的氮素效率存在着显著的品种间差异。氮素效率的两个子性状—吸收效率和生理利用效率对其贡献大小不同，吸收效率是决定不同品种茶树氮素效

5、率差异的主要因素。关键词：茶学；茶树[Camelliasinensis(L.)O.Kuntze]；氮素效率；品种间差异中图分类号：Q523文献标识码：AGenotypicDifferenceofNitrogenEfficiencyinTeaPlant[Camelliasinensis(L.)O.Kuntze]WANGXin-chao，YANGYa-jun，CHENLiang，RUANJian-yun（KeyLabofTeaChemicalEngineering,MinistryofAgriculture;TeaRe

6、searchInstitute,ChineseAcademyofAgriculturalSciences,Hangzhou310008，China）Abstract:Potexperimentwith6teaplantgenotypeswasconductedtoinvestigatethegenotypicdifferenceinNefficiencyat4Nlevels.Theresultsshowedthatthereweresignificantdifferenceinincreasedbiomassyie

7、ld,increasednewshoots,Nuptakeefficiency,Nphysiologicalutilizationefficiency,NeconomicefficiencyandNuseefficiencyamong6teaplantgenotypes.ThedifferenceofNuptakeefficiencywasthemainfactthatresultedintheNuseefficiencyamongteaplantgenotypes.Keywords:Teascience;Teap

8、lant[Camelliasinensis(L.)O.Kuntze];Nefficiency;Genotypicdifference氮素是世界农业生产中消耗量和浪费量来提高植物对土壤环境逆境的适应性”来改变最大的元素之一。随着人口数量剧增、能源危传统的增产策略，这样既可以“降低生产成机、环境污染等世界性难题的加剧，如何提高本”，又可以“减少大量施用化肥所造成