Irrigation water Irrigation 4 Groundwater 3 Natural Resource Economics, (New March 2000) 2 Soil Water Management (Irrigation and Drainage), (Revised June 2002) 2 Water Resources 2 Water management 2 Water policy 2 Water resources 2 Water-supply, Agricultural 2 Watershed management 2 Agencies and Organizations 1 Agricultural development 1 Agricultural ecology 1 Agriculture 1 Arid regions 1 Canal network system 1 Canals 1 Climatology 1 Community Participation and Development, (New March 2000) 1 Community involvement 1 Decentralization 1 Decision making 1 Drainage 1 Drip irrigation 1 Earthen channel 1 Erosion: Soil and Water Conservation 1 Fees 1 Ground water 1 Institution building 1