农药在第三世界国家的农业及公共卫生方面应用颇为广泛,这些国家的政府和人民对此十分关注。第三世界国家约有60％的劳动力从事农业生产,据估算害虫至少能破坏其三分之一的农作物。因此,广泛使用农药杀灭害虫,以提高产量获更大的经济效益。昆虫能传播疾病,据估计每年有1.5亿人患疟疾,2.5亿 Pesticides are widely used in agriculture and public health in third world countries, and the governments and people in these countries are very concerned about this. About 60% of the workforce in Third World countries are engaged in agricultural production, and pests are estimated to destroy at least a third of their crops. Therefore, the widespread use of pesticides to kill pests in order to increase production has greater economic benefits. Insects can spread the disease, with an estimated 150 million people suffering from malaria each year, 250 million