Soil

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Across
  1. 6. Plants provide roots with ____.
  2. 8. Plants, fungi, and bacteria form what kind of system?
  3. 9. What do plants need to grow?
  4. 10. What was fertilizer to farmers?
  5. 11. What fertilizer affects soil quality badly?
  6. 15. The ________ _______ do not move back and forth from minerals to the roots.
  7. 18. A surface __________ method
  8. 19. They live _ to _ weeks.
Down
  1. 1. Plants supply sugars in the form of ______.
  2. 2. ______ ______ are able to drastically increase this absorption.
  3. 3. Thicker than a ____
  4. 4. They're fine absorption roots have a _______ _______.
  5. 5. What do fungi and bacteria supply?
  6. 7. If they can't find partners, they'll ___.
  7. 9. A _______ plant is able to keep most diseases out.
  8. 12. The ___ __ _________ is therefore very limited.
  9. 13. Rhizo ______ form a natural defense system around the roots.
  10. 14. They only use _-_% of soil volume.
  11. 16. What kind of business is this for farmers?
  12. 17. Most ______ in soil are located outside the reach of the roots.