定量施肥對(duì)黑龍江省紅興隆地區(qū)甜菜產(chǎn)質(zhì)量的影響.pdf

1、東北農(nóng)業(yè)大學(xué)碩士學(xué)位論文定量施肥對(duì)黑龍江省紅興隆地區(qū)甜菜產(chǎn)質(zhì)量的影響姓名：蓋志佳申請(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20120531AbstractEFFECTSOFQUANTITATIVEFERTILIZATIONONYIELDANDQUALITYOFSUGARBEET(BetaVulgarisL)INHONGXINGLONGREGIONOFHEILONGJIANGPROVINCEAbstractSuga

2、rbeet(BetavulgarisL)wasaspecialandeconomiccropinnorthChinaBecausethesingleyieldwasnothigh，thetotalyieldWasnotstable，thesugarcontenttakedonatrendofdecrease，theindustryofrefiningsugarfacedanseriouschallengeinHeilongjiangpr

3、ovincewhichwasthesugarbeetmainproductionregionForthis，unreasonablefertilizationwasoneofthekeyreasonsSoexperimentswereconductedwith“3414”bestregressiondesignoffertilizereffectintheexperimentbaseofHongxinglongAgricultureRe

4、searchInstitutefrom2010to2011WestudiedtheeffectsofquantitativefertilizationonyieldandqualityofsugarbeetinHongxinglongregionofHeilongjiangprovinceinordertoprovidetheoreticalbasisforthecurrentreasonablefertilizationofsugar

5、beetTheresearchresultswereasfollows：1Nitrogen，phosphorusandpotassiumfertilizershaddifferenteffectsontheyieldofsugarbeetThefertilizeramountsandproportionofnitrogen，phosphorusandpotassiumwereimportantfactorswhichaffectsuga

6、rbeetyieldThehighestincreasedyieldratewas557％1352％and1065％respectivelybyfertilizingNitrogen，phosphorusandpotassiumAccordingtothenutrientefficiencythefertilizerapplicationofnitrogen，phosphorus，potassiumatmediumlevelhadthe

7、besteffect；Therewereinteractionsamongnitrogen，phosphorusandpotassiumfertilizers，coordinatedapplicationsofnitrogen，phosphorusandpotassiumfertilizersimprovedfertilizerefficiencyandpromotedsugarbeetgrowthUndertheconditionof

8、theexperiment，thebestN，PandKapplicationofsugarbeetswithmaximumeconomicalyieldof6500559kg／hm2WaSN19865kg／hm2，P20511658kg／hm2andK2010426kg／hm：TherateofN：P：KWas1：05869：052482Nitrogen，phosphorusandpotassiumfertilizershadamaj

9、orimpactononthequalityofsugarbeetUnderequalfertilization，thesugarcontentdecreasedwiththeamountofnitrogenincreased，phosphorusWaSconducivetotheincreaseofsugarcontent，potassiumhadlittleeffectonsugarcontentAlongwiththeincrea

10、seofnitrogenapplication，contentofammonianitrogenwasenhancedNitrogenandphosphoruscouldpromoteeachotherPotassiumioncontentWasrelatedwiththenitrogenandpotassiumapplication；thesodiumcontentWasrelatedwiththenitrogenandphospho