Across
- 2. solid mineral material part of the Earth's surface
- 3. Upper layer of earth in which plants grow
- 9. A sticky fine earth that can be moulded
- 10. Gradual diminution caused by wind,water etc.
- 12. Deposited sediment
- 13. Relating to or derived from living matter
- 14. Accumulation of salt in soil
- 17. beneath the surface of the ground
- 18. An area of open land, often planted with crops
Down
- 1. Human modification of a natural milieu
- 4. The chemical element of atomic number 7
- 5. A substance added to make soil more fertile
- 6. A burrowing invertebrate animal, farmer's friend
- 7. Any nutritious substance that animals eat or drink
- 8. a critical nutrient for plant growth
- 11. A menace
- 15. A strong, hard, magnetic,silvery-grey metal
- 16. moulds, yeast, mushrooms, and toadstools