生物农药在农业上的应用简介随着环境保护意识的日益增强、一些国家正在淘汰对环境污染严重的化学农药，越来越多地使用生物农药，使世界农药正在发生深刻的变化。据联合国粮农组织估计，全世界每年病虫害造成的经济损失达１２００亿美元。为了防治病虫害，每年要生产２０... Introduction of Biopesticides in Agriculture Introduction With the increasing awareness of environmental protection, some countries are phasing out chemical pesticides that are seriously polluting the environment and increasingly use biological pesticides to make profound changes in world pesticides. According to the UN Food and Agriculture Organization, the annual economic losses caused by pests and diseases worldwide reach 120 billion U.S. dollars. In order to control pests and diseases, each year to produce 20 ...