Farming Methods

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Across
  1. 2. Crops are grown in nutrient solution
  2. 4. Uses multiple levels above the ground
  3. 7. Uses pots
  4. 8. narrow strips of different crops
Down
  1. 1. Crops are grown from tissue samples
  2. 3. Uses natural fertilisers
  3. 5. Crops grown on roof
  4. 6. Steps built on steep slopes