灌区节水农业技术发展模式浅析3

2009,18(4):3752380ActaAgriculturaeBoreali2occidentalisSinica31,2(1.,712100;2.,453003):,,,,:;;;:S274.2:A:100421389(2009)0420375206AnalysisoftheDevelopmentalModelofWater2savingAgriculturalTechnologyinIrrigationAreasWANLiangting1andQIXuebin2(1.YanglingVocational&TechnicalCollage,YanglingShaanxi712100,China;2.FarmlandIrrigationResearchInstitute,ChineseAcademyofAgriculturalSciences,XinxiangHenan453003,China)Abstract:Specificwater2savingtechniquesandmodelinsometypicalirrigationareasinnorthernChi2naarediscussedinthepresentpaper,basedonanalysisofstatusofresearchanddemonstrationoftechnologyforwater2savingagricultureinchina.Themodelandsystemappropriateforirrigationare2asarediscussedspeciallyfromtheaspectsofvirtuouscycleofwaterresourcesonthescaleofregionorirrigationareas.Someissuesworthytobediscussedforthedevelopmentofwater2savingtechnologyinchinaagricultureareputout.Theseviewspointswillbevaluablereferenceforthefuturedevelopmentofresearchanddemonstrationoftechnologyforhighefficientlyutilityofwaterinchinaagriculture.Keywords:Irrigationareas;Water2saving;Model;Views1:,;;,;,[122],(),,,;();();(),[3]50,503:2009202210:2009203215:(2006BAD11B09-2):(1964-),,,,,,,:,,,,,,,,,,,22.12.1.1,7334hm2,,,,,,,,,,,,,,,2.1.2,,,,1,,2,,,,,,,2.22.2.1,7700hm2,,,447mm,2068.5mm,,,,,,,,169m3,,,,[4]2.2.2,;;,(1),170570mm,354mm,,,,,,673181Fig.1Formingofcomputercontrolsystemmodelinmultispanwatersourcenetworkingcoupletnet2Fig.2Systemsoftwarestructuredflowchart3Fig.3Water2savingoverlayfilmcorpingofspringcornfield10mm,75.6%,47%2.5mm,,,:,,30cm,20cm,1520cm,56cm,3,,,,3234cm,60000/hm27734:,60m3/hm2,1300kg/hm2,,,,,,,,;,(2),,,,:1.52.0m()60100m();4.56.0m()120200m();34,2,4.56.0m,1.52.0m,(,),,,,,1/3,2.32.3.1,,566hm2,,,,,:;,;,;,;,;,[5]2.3.2,,,,()()(),,,,,4,,;,,,;,,2.42.4.1,5380km2,240m3/s,36hm21970,10.1m3,31hm2,,,79%,5.8,4m3,,,87318[6]4Fig.4Collectivityresearchideas:(1),,3m3,1000m3,,,0.33hm2,47m0.16hm2,,(2),,,,80%,20%30%,,,,,,,80%,(3),,1987,1987,12m3(),,,,,2.4.2(1):,,,,:,4:(25),(6)(9-10),,,,,,,,:,,,,,,,,,,,,,,,(2),:,,;,;,;,,,:1),2),,9734:,,3),,815kg/m3,,,,3,?,,,,:,;,;;;:;();;:(),,,,:,222;;;;;:;();;;();():[1].[J].,1999,10():129.[2].[J].,1999,10():10217.[3].[C]//.:,1999,5.[4],,,.[J].,2001,2:29232.[5],,,.[J].,1999,18(4):36239.[6],,,.[J].,2001,12:51253.08318