AGRICULTURE

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Across
  1. 3. or make a living being non-propagator
  2. 4. to prepare lands and grow crops
  3. 6. to cut off branches from a tree, bush, or plant
Down
  1. 1. something less pure or make it poisonous
  2. 2. chemical substanceon lands or plants
  3. 5. small part that develops into a flower or leaf