Farming Techniques- Ancient / Modern

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Across
  1. 3. manuring
  2. 4. irrigation
  3. 8. farming
  4. 10. Aqueducts , Qanats, Chinampas
Down
  1. 1. agriculture
  2. 2. systems
  3. 5. cultivation
  4. 6. farming
  5. 7. greenhouses
  6. 9. irrigation
  7. 11. rotation