所谓万物相生相克——随着人们对食品安全的重视,健康优质果品的需要,作为生物防治新手段,“以草治虫”已经在京郊部分有机果园、农庄推广。日前,笔者探访京郊生态田园,感受到了以草治虫的魅力。为何这里的果园不怕虫北京市昌平区植保站站长冯树快 The so-called all-you-can-phase with g - With people’s attention to food safety, the need for healthy and high-quality fruit, as a new means of biological control, “to grass worm ” already in the suburbs of some organic orchards, farms to promote. Recently, I visited the ecological suburbs of Beijing, I felt the charm of grass pests. Why here is not afraid of insects orchards Changping District, Beijing Plant Protection Station FENG Shu-fast