生物农药由于无毒、不污染环境以及病虫害不易产生抗药性等优点,被人们称为绿色农药。但目前在销售的农药品种中,传统的高毒农药销量依然居高不下,而作为今后农药发展方向的生物农药却遭到冷落。为什么国家倡导的绿色农药在实际销售过程中不敌传统农药,症结何在?据笔者调查,其主要原因:一是由于生 Because of non-toxic biological pesticides, do not pollute the environment and pests and diseases is not easy to produce resistance and other advantages, is known as green pesticides. However, the sales of traditional high-toxic pesticides still remain high in the sales of pesticide varieties, but the biological pesticides that are the future direction of pesticide development have been neglected. Why the national advocacy of green pesticides in the actual sales process to traditional pesticides, the crux of the problem? According to the author’s survey, the main reasons: First, due to students