52 季节
994 插曲
新星 - Season 5 Episode 16 第 16 集
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.
- 年: 2024
- 国家: United States of America
- 类型: Documentary
- 工作室: PBS
- 关键词: nature, candid, inspirational, factual, dramatic, informative, instructive
- 导向器:
- 投:
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