soil crossword

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Across
  1. 2. helps break down the soil
  2. 3. pests that eat plants
  3. 6. the best place for a plant
  4. 7. has the largest particles
  5. 8. has the smallest particles
  6. 9. made up of bark and kills weeds
  7. 11. has particles larger that clay but smaller than sand
  8. 12. they protect the plant roots
Down
  1. 1. is organic matter that is in the process of decaying
  2. 4. is a plant tonic
  3. 5. helps the plants get water
  4. 10. fully decayed organic matter
  5. 11. made of organic matter, water, oxygen and mineral matter