不同灌溉量對臭柏等樹種生長及耗水特性的影響.pdf

1、不同灌溉量對臭柏等樹種生長及耗水特性的影響EffectofDifferentIrrigationAmountonGrowthWaterConsumptionacteristicsofSabinaVulgarisOtherSpecies申請人：張璐學(xué)科門類:農(nóng)學(xué)學(xué)科專業(yè)：水土保持與荒漠化防治研究方向：沙區(qū)植物資源保護(hù)與利用指導(dǎo)教師：王林和教授張國盛教授論文提交日期：二○一二年五月分類號S685.99UDC635學(xué)校代碼10129學(xué)號200

2、9204086EffectofDifferentIrrigationAmountonGrowthWaterConsumptionacteristicsofSabinaVulgarisOtherSpeciesAbstractUrbangreenusetoomuchgroundwaterbecauseofchoosinginappropriatenamentalplantlscapedesignsoitisveryimptanttowkon

3、thewaterconsumptionofnamentalplant.Aplotexperimentwasundertakentostudythemostsuitableplantoptimalrateofirrigationfurbangreen.ItcontainsfourplantsSabinavulgarisPrunusdavidiana.PrunusmonogolicaPrunusdavidianaunderdifferent

4、rateofirrigation.Wemeasuredplanthighgrounddiameterbiomassrateoftranspriation.Themainresultsaboutourresearchare:（1）Plantbiomassincreasedwithincreasingirrigation（2）Withtheincreaseofirrigationamountthetranspirationratefthet

5、estspecieshaveshownaclearupwardtrend（3）Thediurnalvariationcurvesofwatercomsumptionaredifferentfthesefourplants.SabinavulgarisPrunustrilobaareunimodalPrunusmonogolicaisdoublet.FroPrunusdavidianaitisunimodalunderT2T3butdou

6、bletatothertreatments（4）ThedroughttoleranceofthisfourplantsisPrunusmonogolicaSabinavulgarisPrunusdavidianaPrunustriloba.（5）TheprecipitationbetweenJuneSeptemberof2011is68mmduringthisperiodtherateofirrigationfPrunusmonogol

7、icaPrunusdavidianaPrunustrilobaSabinavulgarisis126.27mm、184.68mm、178.95mmirrigation46.71mmirrigation.Keywds：Irrigationamount；growth；IrrigationAmountDirectedby:Prof.WANGLinheProf.ZHANGGuoshengApplicantfMasterdegree:ZHANGL