Across
- 4. The ____ is the most essential organ of a plant for the uptake of nutrients
- 7. Nitrogen, phosphorus, and potassium together are called _____nutrients
- 8. Clay, Sand, and silt are all examples of these(hint:2 words)
- 9. What horizon is in the humus
- 10. What is applied to soil to counter acid rain
- 12. What is expelled into soil after plants die
- 13. Which horizon is between Regolith and subsoil
- 14. How many soil horizons are there
Down
- 1. The science/study of nutrients
- 2. Sulfur, Magnesium,and calcium together are called ____ nutrients
- 3. What is the 2nd deepest layer of soil
- 5. What makes soil dark at the top
- 6. Where does leaching occur
- 11. What layer of soil determines the color of the soil
- 13. What is the top soil layer