urban farming

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Across
  1. 5. Nutrients added to the soil or water
  2. 6. A method of farming without soil
  3. 7. Farming method using stacked layers
  4. 8. Organic waste turned into fertilizer
Down
  1. 1. A structure used to control the environment for plants
  2. 2. Something grown in urban farms
  3. 3. A system combining fish farming and plant growing
  4. 4. Variety of living organisms in farming