Across
- 2. sustainable and optimum utilisation
- 5. farming growing of crops on level steps
- 8. process of planting trees
- 9. height above the mean sea level
Down
- 1. resources which are surveyed and developed
- 3. process of gradually becoming worse
- 4. the maximum forest cover in the world
- 6. developing country
- 7. rock original rock from which soil is formed
- 10. developed country
