Across
- 2. Essential nutrients required only in small quantities
- 5. Symptom of phosphorus deficiency, often seen on stems or leaf undersides
- 9. Nitrogen stimulates this underground growth process
- 14. Portion of a fertilizer representing the nutrients applied
- 15. Symptom of potassium deficiency, especially on older leaves
- 17. Material added to lower soil pH (increase acidity)
- 18. Material used to raise soil pH (increase alkalinity)
- 19. High-energy compound in plant cells requiring phosphorus
- 20. Process aided by potassium, involving energy capture in plants
Down
- 1. Nitrogen is needed for making these building blocks of proteins
- 3. Fertilizer containing nitrogen, phosphorus, and potassium
- 4. Nutrients needed by plants in the largest amounts
- 6. pH range in which most plants grow best (write as 5.5to8)
- 7. Yellowing of green plant parts caused by nitrogen deficiency
- 8. Any material that supplies essential nutrients to plants
- 10. Measure controlling chemical reactions in soil based on hydrogen ions
- 11. Phosphorus is a structural component of these molecules
- 12. Part of fertilizer allowing application but providing no nutrients
- 13. Nitrogen helps plants produce this green pigment for photosynthesis
- 15. Opened and closed with help from potassium
- 16. Procedure used to determine the nutrients present in soil