Natural Resource Economics, (New March 2000) Water Resources 4 Watershed management Policy and Planning 3 Water management 3 Watersheds 3 Agencies and Organizations 2 Case studies 2 Institutions 2 Irrigation 2 Meteorology and Climate 2 Soil Water Management (Irrigation and Drainage), (Revised June 2002) 2 Water resources 2 Agricultural Economics 1 Agricultural development 1 Arid regions 1 Climatic change 1 Climatic changes 1 Community Participation and Development, (New March 2000) 1 Community involvement 1 Crops and climate 1 Crops and water 1 Decision making 1 Deforestation 1 Dry farming 1 Economic policy 1 Environmental management 1 Erosion 1 Erosion: Soil and Water Conservation 1 Food Economics, (New March 2000) 1