hydroponics

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Across
  1. 1. parts per million
  2. 4. crucial reading as it controls nutrient availability
  3. 5. vital process of supplying oxygen to the nutrient solution
  4. 10. truly passive hydroponic system
  5. 11. organic pesticide or fungicide
  6. 12. used to hold the roots in place
  7. 14. TDS
  8. 15. fungal disease that afflicts seedlings
  9. 18. used by plants in large amounts
  10. 19. soil-free growing method where plant roots hang in the air sprayed with a nutrient-rich mist
  11. 21. blend of ferts and water
  12. 22. measures concentration of dissolved mineral salts in the water
  13. 23. plants are grown in sloped channels with roots exposed to film of nutes
Down
  1. 2. used by plants in smaller amounts but just as important
  2. 3. crucial to maintain as it effects dissolved oxygen levels and root health
  3. 6. giving only water to wash out imbalanced or excess nutrients
  4. 7. beneficial fungi that helps roots absorb nutes
  5. 8. dying of plant tissue
  6. 9. where the nutrient solution is held
  7. 13. yellowing of leaves caused by nutrient deficiency
  8. 16. condition that can occur when plants are over fed
  9. 17. growing medium made from the husk of coconuts
  10. 20. type of growing medium made from rock