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1、AgriculturalWaterManagement128(2013)32–42ContentslistsavailableatSciVerseScienceDirectAgriculturalWaterManagementjournalhomepage:www.elsevier.com/locate/agwatPerformanceevaluationofarehabilitatedminorirrigationprojectandofitswaterresourcethroughsecondarystorageaugmentationrese
2、rvoirA.∗Mishra,S.Ghosh,R.K.Mohanty,P.S.BrahamandDirectorateofWaterManagement(ICAR),Bhubaneswar,Odisha,IndiaarticleinfoabstractArticlehistory:PerformanceofarehabilitatedandturnedoverflowbasedminorirrigationprojectwithrespecttoReceived26May2012irrigation,agricultureandinstitution
3、alaspectswasassessed.TheirrigationsystemwasfoundperformingAccepted9June2013better.However,inadequacyofirrigationwateravailabilityindryseasonandspatialinequityofwaterdistribution,evenafterrehabilitationandirrigationmanagementtransferwerethecoupleofshort-Keywords:comingswhichhav
4、ebeenobserved.Inordertoaugmentthewaterresourceofthesystem,thefeasibilityPerformanceevaluationofintroducingsecondarystoragereservoirineachoutletcommandwasconceptualizedandfieldtested.SecondarystoragereservoirKeepinginviewthearearequiredforprovidingsecondaryreservoirs,theexisting
5、waterbodiesintheMinorirrigationprojectcommandofthestudysystemweresurveyed.TheutilityandfunctioningofthesecondaryreservoirwasMainreservoirfielddemonstrated.UtilizationoftheharvestedwaterinthesecondaryreservoirforirrigatingdryseasonCroppingpatterncropinadditiontotheirrigationwate
6、rfromthemainreservoirhaveresultedinincreasingtheyieldofsunflower,tomato,brinjalandgroundnutby14.29,14.95,16.95and20%,respectively.Amongthecrop-pingpatternsconsidered,rice–tomatocroppingpatternresultedinhighestnetreturn(Rs.29,457perha)followedbyrice–brinjalcroppingpattern(Rs.22,
7、430perha).Highestbenefit–costratioof2.09wasobtainedforrice–sunflowercroppingsystem.Thelowinput-basedscientificfishcultureinthesecondarystoragereservoirhasenhancedthefishyieldbythreefoldovertraditionalpractice.©2013ElsevierB.V.Allrightsreserved.1.Introductionarenowconsideredpartners
8、inplanning,development,operationandmaintenanceofirrigationsys
