党提出“土洋结合,以土为主”的方针后,我国各地劳动人民掀起了利用野生有毒植物来防治害虫的高潮,及时有效地扑灭了农作物的害虫。1968年8月初旬,长沙县百禄乡虹桥社的水稻被害严重,浮尘子为害达80%以上。我们在8月11日开始进行土药试验工作,由于条件的限制,没有采集更多的虫种和药种,试验的次数不多。现在将所做的试验总结如下: After the Party proposed the principle of “combining the country with the earth and taking the soil as the mainstay”, laborers from all over China set off the climax of using wild and poisonous plants to control pests and promptly and effectively eliminated the pests of crops. In early August 1968, the rice in Hongqiao, Bailu Township, Changsha City, was severely victimized and more than 80% of the floating dust was damaged. We started testing the soil medicine on August 11, and due to the limited conditions, we did not collect more species of insects and medicines, and we did not test many times. Now the experiment done is summarized as follows: