Irrigation 4 Irrigation systems Soil Water Management (Irrigation and Drainage), (Revised June 2002) 4 Water management 4 Planning 3 Drainage 2 Evaluation 2 more ... Management 2 Natural Resource Economics, (New March 2000) 2 Policy and Planning 2 Water Resources 2 Water policy 2 Agencies and Organizations 1 Agricultural Economics 1 Agricultural and Forestry Equipment (General) 1 Arid regions 1 Automation 1 Automation and Control 1 Canals 1 Community Participation and Development, (New March 2000) 1 Community involvement 1 Costs 1 Decision making 1 Design 1 Design and construction 1 Drainage systems 1 Economics 1 Guidelines 1 Hydraulics 1 Input Utilization (Microeconomics) 1 less ...