How are Biomes Modified for Agriculture?

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Across
  1. 2. a large estate or farm especially in tropical
  2. 4. the action of getting full potential out of a small area using chemicals
  3. 12. taking on characteristics of a city
  4. 15. land that is capable of producing crops
  5. 16. the use of land growing only one type of crop
  6. 17. the action of clearing a wide area of trees
  7. 20. a chemical preparation for destroying plant, fungal or animal pests
  8. 22. a dark organic material in soil produced by decomposition of vegetable or animal matter
Down
  1. 1. the action or power of dissolved salts in water
  2. 3. the artificial application of water to land to assist in the production of crops
  3. 5. the gradual destruction of natural agents
  4. 6. the wearing down of land by erosion from water,wind and ice
  5. 7. a room in which the temperature is maintained within a desired range
  6. 8. the cultivation of aquatic animals and plants
  7. 9. the action or process of draining something
  8. 10. creating new land from seas, rivers and lakes, degraded land into arable land
  9. 11. diversity among and within plants and animal species in an environment
  10. 13. the source from which food and other nessecary items to exist are obtained
  11. 14. land or water devoted to raising animals
  12. 18. organic or inorganic materials that are added to soils to help plants grow
  13. 19. on which sugar,cotton, tobacco ect. is cultivated
  14. 21. a barrier to obstructs the flow of water