论文部分内容阅读
我国北部棉区为了战胜棉蚜和棉红蜘蛛的灾害,今年将有不少地方采用“一六○五”进行防治.这种药剂对于多种农业害虫都有强大的杀灭作用,特别是对棉蚜和棉红蜘蛛,效力大又经济,最为棉区农民所乐用。也就因为这种易于见效的农药在群众中发展较快的缘故,技术指导工作往往跟不上去.1955年引起的多起伤亡事故,是一个惨痛的经验教
In order to overcome the disaster of the cotton aphids and cotton spider mites in the cotton fields in the north of our country, there will be quite a number of places to be prevented and controlled this year by using “1 650” pesticides, which will have a powerful killing effect on various agricultural pests. Is aphids and cotton spider mites, effective and economical, most of the music used by farmers in the area. It is also because of the rapid development of the pesticide, which can be effective and effective, the technical guidance often can not keep up. The number of fatal accidents caused in 1955 is a painful experience.