资源描述：
《on the development of water-saving irrigation technologies and countermeasures（发展节水灌溉技术和对策）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、Onthedevelopmentofwater-savingirrigationtechnologiesandCountermeasuresPaperKeywords:water-savingirrigationtechnologygroundAbstract:surfaceirrigationwaterappliedfieldisanancienttechnology,butitisstilltheworld,especiallydevelopingcountries,awidelyusedmethodofirrig
2、ation,theirrigatedareaintheworldaccountingformorethan90%comparedwith98%ofChina’sirrigatedareaabovethegroundisstillusingthetraditionalirrigationtechniques.Inviewofourwaterandenergyshortages,economicstrength,thetechnicalmanagementofthevastruralareaswithlowerlevels
3、ofreality,largeareaspray,micro-irrigationandotheradvancedirrigationtechnologyhasbeengreatlyrestricted,soforalongperiodoftime,thecountryhasstilltoincreasethefieldconstructionoftheprojectvigorouslypromotewater-savingresearchandsurfaceirrigationtechnology.First,the
4、statusquoofChina’swater-saving9irrigationInrecentyears,Chinaattachesgreatimportancetoandstrengthenthewaterconservancyfacilities,towater-savingtapthepotentialtransformationofthecenter,strengtheninfrastructureconstructionoffarmlandwaterconservancy.Theimplementatio
5、nofsmallwaterconservancyprojects,renovationandcontinuedconstructionofwater-efficientirrigationfacilities,waterefficiencydemonstration,Mojiquxireform,waterrightsconversionprojects,theabilitytoeffectivelycontrolandimprovewateruseefficiencyinagriculture,infrastruct
6、ureandfeaturesgrowingareasofagriculture,theimplementationofalow-pressurepipeirrigation,dripirrigation,sprinklerirrigationandothermodernwater-savingirrigationtechniques,promotethedevelopmentofmodernwater-savingagriculture.TakeSipingLiaoheirrigation,forexample,unt
7、ilnow,theregionhadwater-savingirrigationareadevelopmentproject10acres,atotalinvestmentof$20million,ofwhichanti-seepageareaof??1.1hectares,anareaof??3millionmuoflow-pressurepipeirrigation,micro-irrigationsprayarea4acres.thedevelopmentofground-hoseirrigation,furro
8、wirrigationandothersmall9non-engineeringmeasuresforwater-savingirrigationareaof??10,000mu.annualsaving40millioncubicmeters,anincreaseof10millionkg,promotionandapplica
