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Topic
- Agriculture 27
- Irrigation 17
- Watersheds 17
- Soils 15
- Groundwater 11
- Water consumption 8
- Precipitation (Meteorology) 7
- Salinity 7
- Water quality 7
- Drainage 6
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Publisher
- Food and Agriculture Organization of the United Nations 27
- United Nations Development Programme 5
- Lebanon. Maṣlaḥah al-Waṭanīyah li-Nahr al-Līṭānī 1
Decade
- 1970-1979 27