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1、東北農(nóng)業(yè)大學(xué)碩士學(xué)位論文黑龍江省西北部甜菜配方施肥的研究姓名:于敦爽申請(qǐng)學(xué)位級(jí)別:碩士專業(yè):作物學(xué);作物栽培學(xué)與耕作學(xué)指導(dǎo)教師:馬鳳鳴20120620AbstractStudyofBanlancedUsageofElementofSugarbeetinNorthwestofHeilongjiangAbstractAtpresent,thelowyieldanddecliningsugarcontentofbeethavebeenanob

2、stacleinthesugarbeetindustryinHeilongjiangandChinaInadditiontotheslowprogressofbeetbreeding,unreasonablefertilizerapplicationiSthemainreasonfortheproblemTherefore,weconductthefertilizerexperimentsin93InstituteofAgricultu

3、ralSciencefrom2009to2010TheleadingbeetvarietyKWS3418wasselectedinthistrailTheplanof‘‘3414”fertilizereffectexperimentrecommendedbytheprojectofprescriptionfertilizerwasemployed,whichcontain3factorsand4levelsThefunctionofN,

4、PandKWassimulatedaccordingtotheyield,toconfirmtheproperdosageandproportionoffertilizerofbeetMeanwhile,wedeterminedthesugarcontentthecontentofK,Naand5N,toanalyzethenutrientsandtheeffectoftheirinteractiononthebeetyieldThel

5、awsofdrymatteraccumulationanddistributionindifferentgrowthstagesanddifferentorganswerealsodiscussedTheprojectWastoprovidetheoreticalreferencesforthebalancedfertilizationandefficientutilizationofmanureofbeetproductionThem

6、ainresultsarefollowed:1)ThecombinationofN,PandKimprovedthebeetyieldsignificantlyinwhichtheN2P2K2treatmentreachedthehighestsugarcontentTherankingofincreasingproductionofthethreefactorsisNPKwhichincreasedby56%,1351%and1064

7、%,respectivelyThechangedisciplineofdifferenttreatmentsWas:PKNKNPCKThereiSsomeinteractionamongtheNPandK,thecombinedusagecanraisethefertilizerefficiencyandenhancethegrowthofbeet2)Theequationofyieldandfertilizerwassimulated

8、asternaryquadraticform,whoseFvaluereachedthesignificantlevelTheequationis:Y=615028357268N10209P03041K21634N206765p205579K207871NP11026NK23747PKTheoptimizingoftheequationindicatedthatthefertilizerdosageofN=18000kg/hmz,P20

9、5=10010kg/hm2,K20=6831kg/hm2aswellastheproportionofl:0556:0380,theyieldofbeetWasoptimal,whichwas6549t]hm23)Theapplicationofnitrogenhasimpactontheyield,thesugarcontent,theammoniumnitrogenKandNaofbeetThesugarcontentdecreas

10、edwiththeincreasingapplicationofnitrogen,increasedwiththeincreasingapplicationofphosphorusTheammoniumnitrogenwasenhancedbytheincreasingnitrogenreducedbytheincreasingpotassiumTheKcontentwasrelatedwiththedosageofnitrogenan

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