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Insect Alternative

In a world that each year loses up to 40 percent of its crops to insects, some form of pest control is desperately needed. But chemical pesticides have backfired. Pesticide-resistant insects frequently develop, and previously harmless insects have become devastating infestations. Farmers have found themselves trapped on a "pesticide treadmill"—the more they spray, the more they have to spray. NOVA examines several alternatives for pest control.

English
  • Originally Aired May 24, 1978
  • Runtime 60 minutes
  • Content Rating United States of America TV-PG
  • Network PBS
  • Created January 31, 2020 by
    Administrator admin
  • Modified June 26, 2022 by
    krv