Modern Agriculture, two

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Across
  1. 3. machinery used to go faster through large fields
  2. 5. process by which humans use the breeding of animals and plants to selectively develop particular characteristics
  3. 6. any number of synthetic compound substances created specifically to increase crop yield.
  4. 7. substances that are used to kill insects
  5. 8. control specific weed species, while leaving the desired crop relatively unscathed
Down
  1. 1. more efficiet,inovative,agricutlure
  2. 2. are substances that are used to control unwanted plants
  3. 4. Modern agriculture increases...