【正文】 Strategic measures:2. To deepen scientific knowledge and transfer the watersaving techniques to farmers more widely。6. Agriculture widely uses allkind of water, including “green and blue waters”and recycling water as well。irrigationengineering and technical measures subsystem Watersaving management subsystemInstitutions規(guī)章制度與節(jié)水法規(guī)組織機(jī)構(gòu)管理政策OperationTecheconomy Ecoenvironment多種經(jīng)營綜合作用水量調(diào)控、調(diào)度量水設(shè)施監(jiān)測農(nóng)田生態(tài)平衡水源保護(hù)（水量、水質(zhì)）工程維護(hù)、改建配水計劃自動化控制技術(shù)經(jīng)濟(jì)核算水價與水費(fèi)制度節(jié)水措施推廣應(yīng)用人員編制Managt. PolicyOrg. departmentPersonnelLegislationWater fee/priceTech popularise economic accountingdiversified economyAuto. control Water allocationWater measuringMaintaining struc.Water regulating Monitoring protectionEnvironment Ecology Achievements obtained by system integration at Luancheng Station in NCP Watersaving system integration demonstrated a highest benefit as integration of agronomic and irrigation tech.:lWatersaving quantity: 1500 m3 / ha.lGrain yield: winter wheat + corn = 15 t / ha.lEarning increase: 1500 RMB / ha. p Agricultural watersaving: Policy CountermeasuresMajor understandingAgricultural watersaving is of great significance to ensure food security for China with its largest sized population of world’s 22%. We will be facing a great challenge to meet billion population in about 30 years to e. MajoronirrigationSprinklerthroughtechniqueTillageirrigationWaterplantingWaterproductionBiologicalutilizationreservoirsoilsoilmulchingstageSummer maize50%60%60%65%55%60%SoilwaterinterfaceforforcontentSoilfluxWaterweightDistributionwaterTaindexSoilWaterAtmos.WaterwaterDetecting(植物對降水徑流與地下水的影響 )；(1)PRSG(10)GV(根系吸水 )。interactionTransformationofofObservationNorthat2023)WaterinThe North China Plain is the major consumer of groundwater, accounting for 44% of the whole country’s groundwater use.The annual groundwater use for China was about billion m3, among which billion m3 (%) was consumed by northern China. The North China Plain has bee one of the most overexploited regions in the world Annualal.,2023,theChinadepletionthehalfinindaysyears2023Main Water issues: Climate change Observedincreasedaveragel Temperature in thefor(XuNCP’sfeatures..waterfeaturesfeaturesfromChina’sMajordensityincrease:ChinaininfromMain Water issues: Climate change InNorthernincreasedtheseadecreaseddecreasedtheMiddlea?1).sever1997Chinesefromhas(locatedoffromirrigationwaterbination(3)PG(地下水降水補(bǔ)給 )； (2)PRSVPVRSGsubsystemssynthesisYm:transpirationspeedTemperature,ofsemidiameterRootwaterwaterchangegroundwaterComplexityvarieties(Airleaf)mulching(Airsoil)Uptaking(Soilroot)++DecreaseofRootSoilwheatTo adopt lower limit index by limited irrigationEffectsmulchingmulcingsystemRainfedofirrigationEfficient water source subsystem for agricultureWatersavingschemeWatermatchedmoistureirrigationControlled(cleekthroughwith(fineMajor (3) high capabili