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Donor
- Kolars, John F. 5
Topic
- Agriculture 2
- Droughts 2
- Irrigation 2
- Soils 2
- Technology 2
- Water-supply 2
- Fertilizers 1
- Finance 1
- Natural resources 1
- Plants 1
Publisher
- Food and Agriculture Organization of the United Nations 5
Repository
- Oregon State University. Libraries 5
Type
- Text 5