河套灌區(qū)農(nóng)田防護(hù)林對(duì)小麥增產(chǎn)效益的研究.pdf

1、內(nèi)蒙古農(nóng)業(yè)大學(xué)碩士學(xué)位論文河套灌區(qū)農(nóng)田防護(hù)林對(duì)小麥增產(chǎn)效益的研究姓名：揣新軍申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：水土保持與荒漠化防治指導(dǎo)教師：孫旭20090501onYieldIncreaseBenefitofWheatundertheFarmlandShelterForestinAbStractBasedonfarmlandshelterforestinHetaoirrigationareabywayofdeterminingtheplanthe

2、ightspikelength，spikeletnumberperspike，filledgrainnumberperspike，thefirstintemodelengthintemodelengthbelowspike，1000grainweightandyieldofwheatinthedifferentdistanceoffarmlandshelterforestleewardsideandobservinggrowthperi

3、odofwheatinforestnetworkandcontrastwheatinthemeantime，thispaperstudiedtheyieldincreasebenefitoffarmlandshelterforest111eresultsareasfollows：皿efarmlandshelterforestinHetaoirrigationareacanincreasethewheatyield，averageyiel

4、dofwheatonthreelineselectedwashigherthancomparedwheatfieldsignificantlytheaverageyieldincreasingrateis72％，86％and74％respectivelyThefarmlandshelterforest’Spositiverolehasimprovedgrainqualityandvariousphysiologicalindexofwh

5、eatnewholegrowthperiodofwheatinforestnetworkprolonged，periodofemergence，threelea氣esstage，jointing，headingandfloweringareaheadoftimeindifferentextentⅥmilematureperiodlatefourdayscomparedwithcontrastwheatnlefarmlandshelter

6、forestinHetaoirrigationareacanincreaseaverageplantheight，spikelengthspikeletnumberperspike，filledgrainnumberperspike，intemodelengthbelowspikeand1000grainweightofwheatthenimprovethewheatyieldResearchshowsthatwheatyieldred

7、uceat1Hwhichisneartheshelterbelt，yieldincreasingtothemaximumat3H，yieldincreasingat4Hand5Htakesthesecondplace，yieldincreasingeffectat2Hand6Hdoesnotobvious，belongstonormalyieldzoneKeywords：Hetaoirrigationarea；Farmlandshelt

8、erforest；Wheat；HeMincreasebenefitDirectedby：AssistantProfSUNXuAppIicantforMasterdegree：CHUAIXinjun(WaterandSoilConservationandDesenificationContr01)(CollegeofEcologyandEnvironmentInnerMongoliaAgriculturalUniversityHohhot