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1、PhotonirvachakJ.IndianSoc.RemoteSens.(March2010)38:55-65RESEARCHARTICLEStudiesonIrrigationDistributionEquityandCropGrowthPerformanceinaCanalCommandusingRemoteSensingS.Raut.K.S.S.Sarma.D.K.DasReceived:11.02.2009/Accepted:08.09.2009KeywordsIrrigationdis
2、tributionequity.NDVI.SoilassociationAbstractIrrigationdistributionequityandcropthecommand.CropgrowthperformanceforthesegrowthwerestudiedinDelhiSub-branchofWesternplotswasassessedfromtheNormalizedDifferenceYamunaCanalCommand.TotalirrigationwasVegetatio
3、nIndex(NDVI)obtainedfromtheIRS,estimatedfromthecanalandtubewelldischargeLISSIIdata.Foursoilassociationsviz.,Nabha-dataandirrigationdistributionequitywasexpressedGhoga,Daryapur-Hissar,Holambi-NabhaandintermsofTheil’sandChristiansen’sCoefficientsKhampur
4、-Hissarmainlyrepresentedthestudyarea.fornearly140wheatfieldsrandomlychosenoverIngeneral,increaseinamountofirrigationenhancedthegrowthperformanceofthewheatcrop.IncreaseindistributionequitywithinsoilassociationsslightlyimprovedthegrowthperformanceoftheS
5、.Raut1().K.S.S.Sarma2.D.K.Das2crop.Overandabove,theirrigationequity,quality1WaterTechnologyCenterforEasternRegion,andquantityconstraintstoirrigation,theothersoilBhubaneswar-751023,Orissa,IndiaparameterslikeCEC,appliedPalsocontributedto2DivisionofAgri
6、culturalPhysics,IARI,NewDelhi-110012,Indiadifferencesinwheatgrowthasobservedfromthestepwisemultipleregressionanalysis.Irrigationperformanceindiceswereestimatedfromwaterdistributionbetweensoilassociationsandfromwaterrequirementofcrop,indicatedperforman
7、ceslightlybelowthecriticallevel.e-mail:shi_wtcer@yahoo.com56J.IndianSoc.RemoteSens.(March2010)38:55–65IntroductionofRwilloccurwhenafarm,suchasthelargestone,receivesalltheirrigationwaterwhenitissupposedIrrigationplaysanimportantroleindeterminingcroptor
8、eceivenone.Alluniformitycoefficientsarehighlygrowth.Inadditiontoirrigationamounttheirrigationcorrelated(Warrick,1983).Onanaverage,thedistributionalsoplaysanimportantroleincropChristiansen’scoefficientiscomplementarytoTheil’sgrowth.Equityofirri
