Crossword of soil

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Across
  1. 2. can modificate the organic matter
  2. 3. it the fisth a component of soil
  3. 7. the area where plants grow
  4. 8. is the thirt component of soil
  5. 9. artificial way to cultivate plants
  6. 10. has nutrients and it is a component of soil
Down
  1. 1. the soil contains insects,earthworms, etc
  2. 4. they can damage the soil fertility if you don't use the right amount
  3. 5. this modificate the matter and include more nutrientes
  4. 6. thin layer where you can cultivate