Across
- 4. nutrient needed for new cell growth and helps plants against disease
- 7. 60 miles of this is in one cup of soil
- 10. 50,000 of these live in one cup of soil
- 11. top organic layer of soil
- 13. part of soil that has a sticky texture
- 14. microscopic decomposers that live everywhere
- 15. layer of soil made of sand and silt
- 17. also called "parent rock"
- 20. also called horizon, this is where seeds germinate
- 21. process of breaking down dead material
Down
- 1. rate at which water moves through soil
- 2. nutrient necessary for root development and growth
- 3. long, slimy squiggly decomposers in the soil
- 5. part of soil that has a gritty, rough texture
- 6. this includes silt, sand, or clay
- 8. unweathered rock layer at the very bottom
- 9. this layer of soil contains clay and mineral deposits such as iron
- 12. mixture of mineral and organic matter, water, and air
- 16. part of soil that has a smooth texture
- 18. this includes plants and animals that decompose in the soil
- 19. nutrient necessary for plants to make chlorophyll