1、分類號S513學校代碼10129UDC633學號2010202015申請人：呂佳雯學科門類：農(nóng)學學科專業(yè)：作物栽培學與耕作學研究方向：作物生理生態(tài)指導教師：高聚林教授論文提交日期：二〇一三年六月耕作及覆膜方式對高產(chǎn)春玉米耗水規(guī)律及水分利用的影響EffectonWaterConsumptionWaterUseEfficiencyofHighYieldSpringMaizeunderTillagePlasticFilmMulchingEff

2、ectonWaterConsumptionWaterUseEfficiencyofHighYieldSpringMaizeunderTillagePlasticFilmMulchingAbstractIrrigationtensionprecipitationlimitationconstrainsmaizeproductivitypotential.Theobjectiveistoexplicitwaterconsumptionreg

3、ulationwateruseefficiencyofhighyieldspringmaizeunderdifferenttillageplasticfilmmulchingmeasures.Tofurtherundersthighyieldspringmaizewithwatersavingmechanism.(1)Waterconsumptionlayerofhighyieldspringmaizeis060cmwhilemoves

4、to040cmunderdifferenttillages.DeepPlowingTillageInterStripRotaryTillage’scapacityofwaterholdingwateraccumulationisstronghoweversubsoil’scapacityofwaterholdingisweakinaridenvironmentpowerfulinrainfall.Waterconsumptionlaye

5、rmovesto030cmunderdifferentfilmmulching.Soilwatercontentishighestundercoveringfilmbetweenfurrowstreatment.(2)Tillageplasticfilmmulchingmeasuresreducewaterconsumptionamount.Waterconsumptionamountshows:DeepPlowingTillage﹤I

6、nterStripRotaryTillage﹤SubsoilTillageinAutumn35cm.CPsignallyincreasesfromBreedingtoSilkwhilesignallyreducesfromSilktoMaturityunderdifferenttillage.Thecoveringfilmbetweenfurrowstreatmentsignallyreducewaterconsumptionamoun

7、t.(3)InterStripRotaryTillagetreatmentsignallyreducessoilparticalsizesoilvolumeweightsoilcompactionwhilesignallyincreasesfieldcapacityirrigationquality.AfterexperiencingsoilthawingrefreezingDeepPlowingTillageSubsoilTillag

8、einAutumn35cmsignallyreducessoilparticalsizesoilvolumeweightsoilcompactionwhilesignallyincreasesfieldcapacityirrigationquality.(4)ComparingtoFarmmodehighyieldmodesignallyincreasesyieldbiologicalyield.Tillageplasticfilmmu

9、lchingsignallyincreaseyieldbiologicalyieldwateruseefficiencywaterproductionefficiencyleafwateruseefficiencyInterStripRotaryTillagecoveringfilmbetweenfurrowsarethebiggest.Keywds：HighyieldSpringmaizeTillageFilmmulchingWate