Soil Degradation CROSSWORD PUZZLE

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Across
  1. 1. Chemicals used to kill pests
  2. 5. DEGRADATION- Decline in the quality of soil
  3. 6. Adding substances to improve soil
  4. 8. Animals feeding too much on plants
  5. 9. Lack of water affecting soil
  6. 10. AND BURN- Burning and clearing vegetation
  7. 13. Planting trees to protect soil
  8. 16. Careful use of water for crops
  9. 17. EXPANSION- Expansion of cities into farmland
  10. 18. Proper control of water in soil
  11. 20. EXHAUSTION- Loss of nutrients in the soil
  12. 21. Removal of minerals from the earth
Down
  1. 2. EROSION- Harmful chemicals affecting soil
  2. 3. Growing the same crop repeatedly
  3. 4. Cutting down trees
  4. 7. FARMING- Cutting across slopes to control water
  5. 11. Cutting steps into slopes to reduce runoff
  6. 12. CONSERVATION- Protection and proper use of soil
  7. 14. Removal of topsoil by rain or wind
  8. 15. REUSE- Reusing land for farming
  9. 19. FARMING- Planting crops in strips
  10. 20. EROSION- Wearing away of soil by wind or water