黑龍江省西北部甜菜配方施肥的研究.pdf

1、東北農業(yè)大學碩士學位論文黑龍江省西北部甜菜配方施肥的研究姓名：于敦爽申請學位級別：碩士專業(yè)：作物學；作物栽培學與耕作學指導教師：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