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1、中国水稻科学(ChinJRiceSci),２０１５,２９(４):３９９－４０７http://www．ricesci．cnDOI:１０．３９６９/ji．ssn．１００１Ｇ７２１６．２０１５．０４．００９３９９不同氮磷钾处理对中浙优１号水稻产量、品质、养分吸收利用及经济效益的影响董作珍１吴良欢１,*柴婕１陈远利２朱跃忠３(１浙江大学环境与资源学院,环境修复与生态健康教育部重点实验室/浙江省亚热带土壤与植物营养重点实验室,杭州３１００５８;２浙江省永康市农业技术推广中心,浙江永康３２１３０１;３浙江省永康市农业综合开发办公室,浙江永康３２１３０１;∗通讯联系人,EＧmail:fi
2、nm＠zju．edu．cn)EffectsofDifferentNitrogen,PhosphorusandPotassiumTreatmentsonRiceYield,Quality,NutrientAbsorptionＧUtilizationandEconomicBenefitofZhongzheyou１inCentralZhejiangProvince,ChinaDONGZuoＧzhen１,WULiangＧhuan１,∗,CHAIJie１,CHENYuanＧli２,ZHUYueＧzhong３(１KeyLaboratoryofEnvironmentalRemediati
3、onandEcosystemHealth,MinistryofEducation/ZhejiangProvincialKeyLaboratoryofSubtropicSoilandPlantNutritionCollegeofEnvironmentalandResourceSciences,ZhejiangUniversity,Hangzhou３１００５８,China;２YongkangAgriculturalTechnologyPopularizationCenter,Yongkang３２１３０１,China;３YongkangAgriculturalComprehens
4、iveDevelopmentOffice,Yongkang３２１３０１,China;∗Correspondingauthor,EＧmail:finm＠zjue．duc．n)DONGZuozhen,WULianghuan,CHAIJie,etal．Effectsofdifferentnitrogen,phosphorusandpotassiumtreatmentsonriceyield,quality,nutrientabsorptionＧutilizationandeconomicbenefitofZhongzheyou１inCentralZhejiangProvince,
5、China．ChinJRiceSci,２０１５,２９(４):３９９Ｇ４０７．Abstract:Afieldexperimentwasconductedfrom２００８to２０１０torevealtheeffectsofdifferentnitrogen(N),phosphorus(P)andpotassium(K)treatmentsonriceyield,quality,nutrientabsorptionＧutilizationandeconomicbenefitbyusingthe“３４１４”fertilizerexperimentdesign．Resultsshow
6、edthatN,PandKfertilizationsignificantlyincreasedricegrainyield,andtheeffectofcombinedapplicationofthosethreefertilizersongrainyieldwasbetterthanthecombinationofanyoftwofertilizers;theyieldＧincreasingeffectfollowedtheorderofN＞K＞P．Thehighestyield２wasobtainedinN３P２K２treatment,being８７４６kg/hm．N
7、fertilizationimprovedgelconsistency(GC),proteincontent(PC)andtotalaminoacidcontent,meanwhilereducedalkalispreadingvalue(ASV);PfertilizationimprovedPC;KfertilizationimprovedGC,ASVandPC．Thericetotalnutrient(N,P２O５,K２O)accumulationandnutrientabsorptionratesper１００
