Crossword on Plants

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Across
  1. 4. of sources eg- cutting
  2. 7. it is the purposeful clearing of forested land.
  3. 8. it is a layer of material applied to the surface of
  4. 10. is a piece of ground in which grass, flowers, and
  5. 12. may be grown.
  6. 13. is the prevention of wasteful use of a resource.
Down
  1. 1. is the synonym of surrounding
  2. 2. it is used for fertilizing the land
  3. 3. it is a device used for irrigation
  4. 5. soil
  5. 6. refers to the ability of soil to sustain a plant
  6. 9. it is the process by which new plants grow from a
  7. 11. is a substance used for killing insects.