31
Across
- 4. soil cover
- 5. animal waste fertilizer
- 8. fertile layer
- 9. nutrient-rich soil
- 11. potassium fertilizer
- 14. soil nutrient
- 16. acidic soil
- 17. soil conditioner
- 19. nitrogen-rich fertilizer
- 20. balanced soil type
- 21. worm compost
- 23. retains moisture
- 25. dense soil type
Down
- 1. decomposed matter
- 2. organic matter
- 3. soil oxygenation
- 6. leaf fertilizer
- 7. essential plant nutrient
- 10. manure cover crop
- 12. smooth soil type
- 13. boosts leaf growth
- 15. soil pH adjuster
- 18. beneath topsoil
- 22. gritty soil type
- 24. alkaline soil