Across
- 1. Substance added to soil increasing fertility
- 3. Grow a plant among different types
- 4. Equal layers of clay, silt, and soil
- 8. Process of eroding through natural elements
- 10. Cultivation of a single crop
- 11. Process that soil becomes saline
- 14. Different layers of soil
- 15. Open country used for grazing
Down
- 2. supply of water to crops for farming
- 5. Making sloping land from flat areas
- 6. Fertile land becomes a desert
- 7. Process of wearing down
- 9. Land that crops are grown
- 12. Solid rock underlying surface material
- 13. Line of trees to protect an area