Crossword puzzle assignment

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Across
  1. 4. sustainable farming based on ecological principles
  2. 5. may not be an efficient choice of machinery for poor farmers
  3. 6. brown hopper devasted this crop
  4. 7. place where 4.8 million rural families are landless
  5. 8. increased with labor, fertilizer, and machinery
  6. 9. true home of the green revolution
  7. 10. didn't end up solving world hunger
Down
  1. 1. less efficient than small growers
  2. 2. do the work of 3 to 4 animals
  3. 3. can improve yields by 20-1000%
  4. 7. causes more dependency on insecticides