土壤、施肥及氣候因素對作物產量貢獻的研究.pdf

1、東北農業(yè)大學碩士學位論文土壤、施肥及氣候因素對作物產量貢獻的研究姓名：韓霜申請學位級別：碩士專業(yè)：農業(yè)資源與環(huán)境；植物營養(yǎng)學指導教師：戴建軍20120620Abstract!!!曼曼曼鼉!!!!!!皇詈!!!曼!!竺!!!!曼!!鼉葛詈詈烹=詈詈詈曼詈詈詈皇詈!!竺苧!!竺!!!!竺!曼!!詈!苧苧!!!苧!!!曼!!!曼!!曼!皇!!曼曼Researchaboutthecontributionofsoil，fertiliztionan

2、dclimatefactorstocropproductionAbstractTheinpectfactorsofcropgrowthandyieldformationindifferentregionswerecomplicatedandvarious，includinglocalclimaticconditions，soilt’ertilityandhumanfactors，suchasfertilization，irrigatio

3、n，cropvarieties，thepaperselectedsixmonitoringpointswithdifferentlocations，differentsoiltypesandunderdifferenttillage：ttunanqiyangRedSoilwheatmaizerotation，redpaddysoilasearly—latericerotation，，Shanxiyanglingloesssoilwhea

4、tmaizerotation，ChongqingbeibeipurplesoilricewheatrotationWuhanyellow—brownsoilrice—wheatrotation，Zhejianghangzhoupaddysoilwheatandricerotationanalyzedtheexperimentaldataofthesixmonitoringexplorethecontributionofsoil，fert

5、ilizer，climatefactorstocropyieldThemainresultswereasfollows：1ThecontributionofQiyangredsoiltocropproductiondecreased，thewheatproductionfellby30％，themaizeproductionfellby80％，thericeproductionfellbyanaverageof35％；Thecontri

6、butionofShanxiloesssoiltowheatproductionfellby45％，maizeproductionimproved22％，thecontributionofChongqingpurplesoiltowheatandricedecreasedby40％and26％：thecontributionofWuhanyellowbrownsoiltowheatandricewereenhancedby11times

7、and165％：thecontributionofHangzhoupaddysoiltowheatandricewereenhancedby15％and79％2ThecontributionofNPKMtoQiyang、YanglingandWuhanwheatincreased14％、2times、43％；thecontributionof15NPKMtoQiyangandYaslglingmaize、Chongqingwheatin

8、creased11times、43％、24times；thecontributionofNPKtoQiyangearlyricewasthehighest，thecontributionofMtoQiyanglate—ricewasthehighest，NPKMwasthehighestproductionoffertilizeronChongqingriceThecontributionofallfertilizationtoHang

9、zhouwheatproductiondecreased，butNPKMstillwasthehighestproductionoffertilizel’，thenwas15NPKMfertilizationThecontributionof15NPKMtoearly—riceincreased285％in15yearsthecontributionofMtolatericekeptstable。NPKMand15NPKMwerethe

10、highestproductionoffertilizationonriceTheFCRofphosphatetoQiyang、YanglingandChongqingwheatwas71％、605％、364％：theFCRofmanuretoQiyangricewas153％；theFCRofnitrogentoChongqingricewas289％：theFCRofmanuretoWuhanpaddyuplandrotationw

11、as413％；and192％；theFCRofnitrogentoHangzhouWas249％、20％、146％3Contributionofclimateandotherfactorsonqiyangwheatproductionrangebetween7935kg／hm2to6101kg／hm2，contributionofclimateandot]herfhctorsonmaizeproductionrangebetween21