Shifting Cultivation

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Across
  1. 3. These starchy tubers are native to Africa, Asia, and the Americas
  2. 4. The leftover of burning plants, rich in nitrogen and carbon
  3. 7. The main method used in #6 down
  4. 8. Used to burn plants
  5. 10. The savory sibling of bananas
  6. 11. This grain is grown in warmer climates and used in cereals
Down
  1. 1. a major staple food in the developing world and native to South America, from Brazil and parts of the Andes
  2. 2. A synonym for farming
  3. 5. another word for the land cleared using #7 across
  4. 6. The oldest type of subsistence farming.
  5. 7. The product from these reeds are used to sweeten beverages and adds a decorative finish to cakes
  6. 9. farmland left left unsown for a period in order to restore its fertility