Across
- 3. acid
- 4. depth
- 5. excavate
- 7. staking
- 9. drainage
- 13. establishment
- 15. protection
- 16. nutrients
- 19. rootball
- 20. shovel
Down
- 1. spade
- 2. water
- 6. alkaline
- 8. compost
- 10. amendment
- 11. orientation
- 12. monitor
- 14. structure
- 17. mulch
- 18. soil