丘陵地区随着茶园不断扩大,茶树的害虫种类也有逐渐增多的趋势,尤其在我营茶园中,扁刺蛾、小黄卷叶蛾、茶尺蠖等发生比较普遍,给生产带来了一定的损失。近几年来,我营每年要用有机磷农药六、七吨,化劳力达二万多工,虽然每年开支数万元, Hilly areas with the continuous expansion of the tea plantations, tea tree pests species also have a gradual increase in the trend, especially in my camp tea plant, flat moths, small yellow leaf moths, tea scallions and other more common occurrence, to produce a certain loss. In recent years, our camp annually uses six or seven tons of organophosphorus pesticides and more than 20,000 labors of labor force. Although the annual expenditure amounts to tens of thousands of yuan,