Soils
Across
- 5. makes the soil fertile
- 7. the less humus, the lower the levels of
- 8. allowing animals to overeat all of the grass
- 9. the name of a soil found in the midlands
- 11. another name for the C horizon
Down
- 1. a factor that influences soil
- 2. an ingredient in soil
- 3. living organisms, air, plant remains, mineral particles
- 4. B horizon is also known as the _________
- 6. the top layer in a soil profile
- 7. it can take up to ______ years for 1cm of soil to grow
- 10. the layer that is darkest in colour in a soil profile