夏播黑花生營養(yǎng)規(guī)律及磷、鉀、鉬施肥效應(yīng)研究.pdf

1、河南農(nóng)業(yè)大學(xué)碩士學(xué)位論文夏播黑花生營養(yǎng)規(guī)律及磷、鉀、鉬施肥效應(yīng)研究姓名：李志云申請學(xué)位級別：碩士專業(yè)：植物營養(yǎng)學(xué)指導(dǎo)教師：王文亮20090601StudiesontheSummerBlackPeanuts’NutritionCharacteristicsandtheEfleetofPhosphorus、PotassiumandMoFertilizerSupervisor：AssoProfWangWenliangMasterCandida

2、te：LiZhiyunAbstractThisarticlethroughtheresearchofsummerblackpeanuts’nutritionrule，determinedinitiallytheblackpeanuts’appropriateappliesfertilizerused，throughthephosphorus、potassiumfertilizermatchesinthefieldtestandthemo

3、lybdenummanuretrialexecutes，appliedthefertilizereffecttotheblackpeanuttoconducttheresearch，themainfindingswereasfollows：Dividesundertheblackpeanuts’growthintotheseedlingstage，blossomsneedletime，formpodstime，thematureperi

4、odfourtimesAftertwoyearfieldexperimentalstudythesummerblackpeanutsdothematerialaccumulationandnitrogen、phosphorus、potassiumabsorptioncharacteristicWhichis：Adultplantgrossdryweightafteremergingalongwithperiodofdurationpas

5、sage，buttheconstantrise，isquickestbymidAugustrateofrise；Thetotalprocessmaydivideintotheslowriseperiod，thefastriseperiodandthestabilizationperiod3differenttimes，andrespectivelytakemidJulyandlateAugustastwoimportantturning

6、pointsTothenitrogen、phosphorus、potassiumnutrientdemandedarefewafteremergingprevious70dayofnutrientabsorbingcapacityinsufficienttotalquantityfortheearlierperiod1／3，latertherapidrise，stillmaintainedtheslowrisingtrendbefore

7、theharvestlatterabout40daysthenutrientabsorbingcapacityaccountsforthetotalquantity2／3Produces100kgpodstoeverytimeabsorbnitrogen(N)565／580kg，phosphorus(P205)083／086kgthepotassium(K20)384／343kgnitrogen：phosphorus：potassium

8、=1：O147／0148：0648／0591Theblackpeanuttonitrogen、potassiumdemandisbiggerthanthephosphorus，thereforethetopdressingshouldbethenitrogen、potassiumcoordinationHasstudiedtheblackpeanutoutputandappliesfertilizerrespectivelybetwee

9、ntheprocessingrelations，screensthephosphorus、potassiumfertilizer’SmostsuperiorprocessingcombinationisP20560kg／hm2，K2075kg／hm2TheexperimenthasusedL9(34)theorthogonaldesignmethod，establishesthenitrogen、phosphorus、potassium

10、toapplyfertilizerwithblackpeanutoutputbetweeneffectmodelY=4071871305K0086K2003P2342P002PKCardedonthevarianceanalysismultiplecomparisonsusingDPStostudythephosphorus、potassiumdifferentapplyingfertilizerallocatedproportiona

11、ndthemolybdenumemploymenttotheblackpeanuts’NPKcontenttheabsorptionassignmentandthebiomassinfluence，obtained：Affectsintheblackpeanutadultplants’NPKcontentkeyaspectrespectivelyisthepotassiumfertilizerthephosphatefertilizer