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NOVA: 5x16
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.
Visited 2 times, 1 visit(s) today
5 - 1In The Event of Catastrophe Jan. 04, 1978- 5 - 2The Green Machine Jan. 11, 1978
- 5 - 3Blueprints in the Bloodstream Jan. 18, 1978
- 5 - 4One Small Step Jan. 25, 1978
- 5 - 5The Final Frontier Feb. 01, 1978
- 5 - 6BaMiki BaNdula: Children of the Forest Feb. 15, 1978
- 5 - 7Trial of Denton Cooley Feb. 22, 1978
- 5 - 8The Great Wine Revolution Mar. 01, 1978
- 5 - 9The Case of the Ancient Astronauts Mar. 08, 1978
- 5 - 10The Mind Machines Mar. 22, 1978
- 5 - 11Icarus' Children Mar. 29, 1978
- 5 - 12Still Waters Apr. 12, 1978
- 5 - 13Battle for the Acropolis Apr. 19, 1978
- 5 - 14
- 5 - 15Laser : Light of the 21st Century May. 10, 1978
- 5 - 16Insect Alternative May. 24, 1978
- 5 - 17The Desert's Edge May. 31, 1978
- 5 - 18The Tsetse Trap Jun. 07, 1978
- 5 - 19Memories From Eden Jun. 14, 1978
- 5 - 20A Whisper from Space Jun. 21, 1978
- 5 - 21Alaska: The Closing Frontier Jun. 28, 1978