Across
- 1. Largest mineral particle
- 4. Fertile layer of soil
- 5. Without oxygen
- 7. Material to raise pH
- 8. Improving soil
- 9. Mixture of sand/silt/clay
- 13. Nutrient supporting flowering/fruiting
- 14. Nutrient supporting root development
- 17. How soil particles are arranged
- 18. Working of soil
- 19. Loss of soil by wind or water
Down
- 2. What pH is best for plants
- 3. Beneficial soil fungi
- 6. Smallest mineral particle
- 9. Plant group that fixes Nitrogen
- 10. Nutrients needed in large amounts by plants
- 11. Area around plant roots
- 12. This darkens soil
- 15. Soil with pH over 7
- 16. matter Food for soil organisms