Across
- 2. a dark, spongy, crumbly mass
- 5. land used for grazing livestock
- 8. practice of raising crops and livestock
- 9. organisms break down parent material
- 12. land used to raise plants for human use
- 13. the use of new technology
- 15. soil with an even mixture of the three
- 16. a hard layer resulting from plowing
Down
- 1. substances chemically interact
- 3. dissolved particles move down
- 4. each layer of soil
- 6. a complex plant-supporting system
- 7. uniform planting of a single crop
- 9. the continuous mass of solid rock
- 10. a measure of soil’s “clumpiness”
- 11. material most nutritious for plants
- 14. the dislodging and movement of soil