nutrition in plants

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Across
  1. 4. a water plant
  2. 8. method of growing plants without soil
  3. 9. singular word for stomata
  4. 10. feeding meaning of the word auto and trophism
Down
  1. 1. what is raw material is necessary for photosynthesis
  2. 2. rigid fibres which can support weight of big branches
  3. 3. helps to keep a plant rigid and upright
  4. 5. plants these do not need nitrogenous fertilizers to be grown
  5. 6. solution used to test presence of starch
  6. 7. can convert atmospheric nitrogen into water soluble compounds