Across
- 2. found in soils because of slow decomposition of organic matter
- 4. weathered from bedrock
- 8. measurement of acidity and alkalinity
- 9. has medium particles
- 12. inorganic nitrogen found naturally
- 13. soil have a blocky soil structure
Down
- 1. inpenitratible with a shovel
- 3. equal parts of sand, silt and clay
- 4. soil has a granular soil structure
- 5. structure how the soil particles fit together
- 6. mixture of organic matter and minerals
- 7. taxonomy principle reference to soil classification
- 10. catalysts in decomposition
- 11. has the largest particles
- 13. has the smallest paricles