SUBJECT
- Arid regions 1 Treffer
- Arid regions agriculture 1 Treffer
- Arid regions ecology 1 Treffer
- Control 1 Treffer
- Desertification 1 Treffer
- Dry farming 1 Treffer
- Ecosystem management 1 Treffer
- Integrated agricultural systems 1 Treffer
- Land degradation 1 Treffer
- Land use
- Law and legislation 1 Treffer
- Management
- Natural resources 1 Treffer
- Planning 1 Treffer