田间节水灌溉管理决策支持系统的开发

,(,712100),4.1,,20,:,,,;;S274A0517-6611(2008)03-01271-02DevelopmentoftheDecision-makingSupportSystemofWater-savingIrrigationManagementinFarmlandZHOUCai-xiaetalWaterConservancyandArchitectureCollege,NorthwestA&FUniversity,Yangling,Shaanxi712100)Abstractinthispaperthedevelopment,principle,structure,presentsituationofagriculturalexpertsystemanditsapplicationinwatersavingirrigationwereintroduced.ThissystemhasbeendevelopedbasedonXF4.1toolsofexpertsystemwhichhasdevelopedbyInstituteofHefeiIntelligentMachineofChinaAcademyScienceandcombinedwithrelatedknowledgeinwater-savingirrigationandtherealinformationoftwovillagesofJiangnanandJiangzhonginWuquanSectionofDatongManagementStationinBaojixiaIrrigationDistricttosolvethenormalproblemsinagriculturalproductionasirrigationsched-ule,irrigationforecastandirrigationdecisionmaking.Alsotheprogramwascombinedtoexplainthepresentproblemsintheagricultureexpertsystem,andtherelatedcountermeasureswereputforward.Throughabove,thesystemdoplayimportantroleinagriculture.KeywordsAgricultureexpertsystem;Watersavingirrigation;Developmentandapplication(1982-),,,,:2007-09-14,,,,,,,,,,,,,,,1,,,,;,,,1[1],,2,,50%,,[2]4.1Windows[3]20,31Fig.1Structureofagricultureexpertsystemanditscomponent2.120,3[4](2)2Fig.2Applicationofagricultureexpertsystemonirrigationschedule2.2[5-6],,,:I+P+G+ASW=ET+R+DPE+GET+ASW=ETT:T=(PE+ASW)/,JournalofAnhuiAgri.Sci.2008,36(3):1271-1272(ET-GE):ET0,KCETC;PE;,GE;ASWKC,(3)(t):t=(WO-Wmin)/(e-k),e(mm/d),k(mm/d),Wo,Wmin(m3/hm2)2.3,,,,,[7](4),:,,,,,;,(B2/COST2)(B1/COST1),,3Fig.3Roleofagricultureexpertsystemonirrigationforecast4Fig.4RoleofagricultureexpertsystemonirrigationdecisionmakingCROP()SOILTY()Qmin()ROOTD()Y()QFC()M1M2,COST1COST2YM()ET([8-9])ETC()I(),PRICBB1BB2,BB1/COST1BB2/COST21,3,,,,,,[10-12]:(1),,,,,,;,,,(2),,,(3),,,,,[1],.[M].:,2001:34-57.[2],.[M].:,1996.[3],.[M].:,1998.[4],,.[J].,2001,27(6):36-39.[5].[M].:,2001:117-127.[6],,,.[J].,2001(1):4-8.[7],,,.[J].,2002(2):17-23.[8]FAO.Irrigationanddrainagepapers24[M]//CropWaterRequirements.Rome:FAO,1977.[9],,.[J].,2001,17(2):42-46.[10],.[J].,2001,21(2):88-90.[11],,.[J].,2001,17(6):153-155.[12],.[J].,2002,18(1):41-44.27212008