01699nam a2200277   450000500170000000800410001703500150005805000180007310000230009124501520011424601430026626000890040930000090049849000250050749000500053250001230058250503550070565000330106065000250109365000220111865000400114070000190118070000220119981000760122181001240129720260818113413.0130798         us                  eng    a.b1027145400aS616 P34bL681 aLowdermilk, Max K.10aFarm irrigation constraints and farmer's responses :bcomprehensive field survey in Pakistan /cprepared by ..., Alan C. Early and David M. Freeman3 aConsortium for international development :bfarm irrigation  constraints and  farmers' responses :bcomprehensive field survey in Pakistan  aFort Collins, Colo. :bEngineering Research Center, Colorado State University,c1978  a6 v.1 aPublication ;vno. 21 aWater management technical report ;vno. 48-A  aPrepared under support of United States Agency for International Development contracts AID/ta-C-1100 and AID/ta-C-14110 av. 1. Summary.-v. 2. Purpose of study, its significance, and description of the irrigation system.-v. 3. Consequences of the present farm water management system.-v. 4. Major constraints confronting farmers explaining the consequent low cropyields.-v. 5. Farmer responses to major constraints-viable options under present conditions.-v. 6. Appendices 0aIrrigation farmingxPakistan 0aIrrigationxPakistan 0aFarmersxPakistan 0aAgricultural productivityxPakistan1 aEarly, Alan C.1 aFreeman, David M.2 aWater and Power Development Authority (Pakistan).tPublication ;vno. 21 aColorado.bState University, Fort Collins.bEngineering Research Center.tWater management technical report ;vno. 48-A