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Subject
- Agriculture312
- Forests and forestry82
- Food crops72
- Forest management40
- Fisheries34
- Agricultural education31
- Livestock29
- Forest policy25
- Study and teaching (Higher)23
- Economic aspects20
- Rice20
- Agricultural productivity19
- Deforestation18
- Reforestation18
- Soils18
- Research17
- Social aspects17
- Forest conservation16
- Environmental aspects15
- Land settlement13