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Topic
- Microirrigation 29
- Agriculture 20
- Technology 11
- Water quality 6
- Hydrology 5
- Irrigation--Equipment and supplies 5
- Canals 4
- Irrigation 4
- Sprinkler irrigation 4
- Saline water conversion 3
- Salinity 3
- Arid regions 2
- Brackish waters 2
- Bureaucracy 2
- Dams 2
- Droughts 2
- Groundwater 2
- Resource allocation 2
- Water use 2
- Water-supply 2
