Plant Science
Across
- 3. Natural fertilizer like manure
- 6. Needed by plants for survival
- 8. Used to raise the PH of soil
- 10. Plant Reproduction
- 12. Mineral needed in small amounts
- 13. Soil acid or akalinity
- 15. A non mineral nutrient
Down
- 1. Plant puts Nitrogen in the soil
- 2. Putting of Nitrogen in the soil by plants
- 4. Yellowing of the leaves in plants
- 5. A type of cutting we did in class
- 7. Most important nutrient.
- 8. Crop we raised in class
- 9. Mineral needed in large amounts
- 11. The most common element in the air
- 14. Used to lower the PH of soil