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1、Seediscussions,stats,andauthorprofilesforthispublicationat:https://www.researchgate.net/publication/263770581GenotypicDifferenceofNitrogenEf?ciencyinTeaPlant[Camelliasinensis(L.)O.Kuntze]Article·June2004CITATIONREADS11494authors,including:XinchaoWangLiangChenC
2、hineseAcademyofAgriculturalSciencesTeaResearchInstituteoftheChineseAcademyofAgriculturalSciences103PUBLICATIONS706CITATIONS123PUBLICATIONS1,087CITATIONSSEEPROFILESEEPROFILEJ.Y.RuanChineseAcademyofAgriculturalSciences59PUBLICATIONS1,013CITATIONSSEEPROFILESomeof
3、theauthorsofthispublicationarealsoworkingontheserelatedprojects:buddormancyViewprojectdisease-resistantmechanismofteaplantViewprojectAllcontentfollowingthispagewasuploadedbyXinchaoWangon10July2014.Theuserhasrequestedenhancementofthedownloadedfile.茶葉科學(xué)2004，24（2
4、）：93—98JournalofTeaScience文章編號：1000—369X（2004）02—093—06不同品種茶樹氮素效率差異研究※王新超，楊亞軍，陳亮，阮建云（中國農(nóng)業(yè)科學(xué)院茶葉研究所，農(nóng)業(yè)部茶葉化學(xué)工程重點(diǎn)實(shí)驗(yàn)室，浙江杭州，310008）摘要：比較了6個茶樹品種的氮素效率差異。結(jié)果表明，在4種施氮條件下，生物量增加值、新梢生長量、氮素吸收效率、氮素生理利用效率、氮素經(jīng)濟(jì)效率和總的氮素效率存在著顯著的品種間差異。氮素效率的兩個子性狀—吸收效率和生理利用效率對其貢獻(xiàn)大小不同，吸收效率是決定不同品種茶樹氮素效
5、率差異的主要因素。關(guān)鍵詞：茶學(xué)；茶樹[Camelliasinensis(L.)O.Kuntze]；氮素效率；品種間差異中圖分類號：Q523文獻(xiàn)標(biāo)識碼：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氮素是世界農(nóng)業(yè)生產(chǎn)中消耗量和浪費(fèi)量來提高植物對土壤環(huán)境逆境的適應(yīng)性”來改變最大的元素之一。隨著人口數(shù)量劇增、能源危傳統(tǒng)的增產(chǎn)策略，這樣既可以“降低生產(chǎn)成機(jī)、環(huán)境污染等世界性難題的加劇，如何提高本”，又可以“減少大量施用化肥所造成
