Soil

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