subsistence and industrialized farming

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Across
  1. 4. a cultivated plant
  2. 5. the supply of water to land or crops to help growth
  3. 9. e cultivation of a single crop in a given area
  4. 12. a chemical or natural substance added to soil or land to increase its fertility
  5. 14. a chemical or natural substance added to soil or land to increase its fertility
  6. 16. animal dung used for fertilizing land
Down
  1. 1. process of making smaller
  2. 2. rise and fall irregularly in number or amount
  3. 3. another word for farming
  4. 6. become bigger in number or amount
  5. 7. for the purpose of earning money
  6. 8. the action or fact of maintaining or supporting oneself
  7. 10. parents, grandparents, great-grandparents etc.
  8. 11. animals on a farm
  9. 13. not fit for eating
  10. 15. substance that is used to provide heat or power