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Donor
- Naff, Thomas 17
Topic
- Irrigation 17
- Watersheds 17
- Agriculture 15
- Soils 11
- Groundwater 8
- Water quality 6
- Precipitation (Meteorology) 5
- Drainage 4
- Salinity 4
- Climate 3
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Publisher
- Food and Agriculture Organization of the United Nations 17
- United Nations Development Programme 5
- Lebanon. Maṣlaḥah al-Waṭanīyah li-Nahr al-Līṭānī 1
- Unesco 1