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20106SHUILIXUEBAO4162009-10-16“”2006BAD11B0650739003506390401963－、。E-mailshaoliw@iwhr.com0559-9350201006-0697-06100048、--、、、、、、。S276A、、、。、。。、、1。、、、、--、、。12。。。Christen3。Murrumbidgee3—796—49%。4。Wesstrom53～14kg/hm22%～18%。61.0m0.6m50%。3.7%。。、、、、。7、、、、48－10。。2--、、、。、、。---、、、、、、、、、。、、11。、、、、、。Borin1255%50%20%90%。Jordan131%2159%38%41%230%。225%52%34%。。、、68%、43%。1～2。14－155d—896—pH30%5d、60%15%。、、、、、。、、、、、。3。、。。、。。16－18。。、、、、、、、、。William19。。Oster20EC4ds/m30ds/m、SAR1040、、、、、、。21EC13.9ds/m、。、、、、、、、。4、、—996—。、22－24。、。、、、、、25－28。、、。、、、、、。。。3S3S、、、29。。、、。5。。。。、、--、。、、、、、。。、、、、。1.J.2008271108－—007—1112EvansROSkaggsRW.DevelopmentofcontrolleddrainageasaBMPinNorthCarolinaC//DrainageVIIIProceedingsoftheeighthinternationalsymposium.ASAEPublicationNumber70120040304.3ChristenEWSkehanD.DesignandmanagementofsubsurfacehorizontaldrainagetoreducesaltloadsJ.ASCEJ.Irrig.Drain.Eng.2001127148－155.4StampfliNMadramootooCA.WatertablemanagementAtechnologyforachievingmorecroppercrop.PapersubmittedfortheninethinternationaldrainageworkshopICIDJ.IrrigationandDrainageSystems.200620267－282.5WesstromIMessingI.EffectsofcontrolleddrainageonNandPlossesandNdynamicsinaloamysandwithspringcropsJ.AgriculturalWaterManagement.2007873229－240.6.J.2006375608－612.7FrankenbergerJKladivkoESandsGetal.DrainagewatermanagementQuestionsandanswersaboutdrainagewatermanagementfortheMidwestM.BulletinWQ-44PurdueUniversityW.LafayetteINU.S.A.20068.8ZhouXMMadramootooCAMacKenzieAFetal.CornyieldandfertilizerNrecoveryinwater-table-controlledcornrye-grasssystemsJ.EuropeanJournalofAgronomy20001283－92.9AyarsJEChristenEWHornbuckleJW.ControlleddrainageforimprovedwatermanagementinaridregionsirrigatedagricultureJ.AgriculturalWaterManagement200686128－139.10MaLMaloneRWHeilmanPetal.RZWQMsimulatedeffectsofcroprotationtillageandcontrolleddrainageoncropyieldandnitrate-NlossindrainflowJ.Geoderma2007140260－271.11KovacicDATwaitRMWallaceMPetal.UseofcreatedwetlandstoimprovewaterqualityintheMidwest—LakeBloomingtoncasestudyJ.EcologicalEngineering200628258－270.12BorinMTocchettoD.FiveyearwaterandnitrogenbalanceforaconstructedsurfaceflowwetlandtreatingagriculturaldrainagewatersJ.ScienceoftheTotalEnvironment200738038－47.13JordanTEWhighamDFHofmockelKHetal.NutrientandsedimentremovalbyarestoredwetlandreceivingagriculturalrunoffJ.J.Environ.Qual.2003321534－1547.14.J.2003244105－108.15.J.2003241113－116.16ShannonMCGrieveCM.Optionsforusinglow-qualitywaterforvegetablecropsJ.Hort.Sci.20003561058－1062.17KaffkaSOsterJCorwinD.ForageproductionandsoilreclamationusingsalinedrainagewaterC//Proc.Of2004NationalAlfafaSymp.And34thCAAlfafaSymp.13－15December2004SanDiegoCA.DepartmentofAgriculturalandRangeScienceCooperativeExtensionUCDavisDavisUSA2004247－253.18QadirMOsterJD.Cropandirrigationmanagementstrategiesforsaline-sodicsoilsandwatersaimedatenvironmentallysustainableagricultureJ.ScienceoftheTotalEnvironment20043231－19.19WilliamAJAtacTuliJohnLetey.EffectofTravelTimeonManagementofaSequentialReuseDrainageOperationJ.SoilSci.Soc.Am.J.2003671122－1126.20OsterJDGrattanSR.DrainagewaterreuseJ.IrrigationandDrainageSystems200216297－310.21.J.2004213220－224.22.M.1995.23.、J.19971684－7.24.4J.19971697－11.25FollettRFHatfieldJL.NitrogenintheenvironmentSourcesproblemsandmanagementM.AmsterdamTheNetherlands2001.26JaynesDBColvinTSKarlenDLetal.NitrateLossinSubsurfaceDrainageasAffectedbyNitrogenFertilizer—107—RateJ.J.Environ.Qual.2001301305－1314.27.J.200218170－73.28.J.2004183130－132.29.J.2007235265－271.AdvancementofstudyonfarmlanddrainagetechnologybasedonwaterenvironmentprotectionWANGShao-liChinaInstituteofWaterResourcesandHydropowerResearchBeijing100044ChinaAbstractTheadvancementofstudyonfarmlanddrainagetechnologyfromtheviewpointofwaterenvironmentprotectionissummarizedfromfouraspectsincludingthecontrolofdrainageestablishmentofirrigation-drainage-wetlandsystemreuseofdrainagewaterandcontrolofagriculturalnon-pointsourcepollution.Thenewtechnologyofdrainagecontrolispresentedandthefactorsaffectingtheeffectofalleviatingchemicalmaterialpollutionareanalyzed.Itissuggestedthatthemethodforcontrollingthewaterlevelinfarmlandtoreducethenutrientlosseselevatingtheefficiencyofwaterutilizationeffectofartificialwetlandnewirrigationpatternandrelevantengineeringstructuremodefordrainagereuseandcomprehensivemeasuresforcontrollingtheagriculturalnon-pointsourcearethemaintopicsforresearchatpresent.Keywordstechnologyadvancementsummaryfarmlanddrainagetechnologywaterenvironmentprotectiondrainagereusecontrolleddrainagenon-pointsourcepollution696AdverseslopedensityflowanditsecologicaleffectonthealgaebloominXiangxiBayofTGRduringthereservoirimpoundingattheendoffloodseasonJIDao-bin1LIUDe-fu2YANGZheng-jian2YUWei21.WuhanUniversityWuhan430072China2.ThreeGorgesUniversityYichang443002ChinaAbstractTheflowvelocityandthewaterqualityparametersintheXiangxiBaywerecontinuouslymonitoredduringtheimpoundingofThreeGorgesRreservoirTGRfromSept.252007toOct.162007.TheresultsshowthatthewaterofthemainstreamofTGRflowedbackwardintotheXiangxiBayindensitycurrentindifferentplungingdepthearlyatthebottomlateratt