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1963年,我局与安阳县安丰公社农技站,在该社北李庄大队,进行甲拌磷处理棉种防治棉蚜试验,防治面积176亩,获得了良好效果。 1964年在这个基础上,全专区安阳、汤阴等12个县市的集中棉区,又进行重点试用和较大面积的示范,示范面积达21万亩,效果显著。现将两年来的试验、示范、推广的结果总结如下: 一、使用药剂:用45—50％和70—75％甲拌磷乳剂,为天津农药厂产品,已存放五、六年。据天津市农药厂测定,略有沉淀现象,药效比对照减低6.5％,瓶底沉淀多些的药效减低27％。
In 1963, our bureau and Anyang Anfeng Commune Agricultural Technology Station, in the club of North Li Zhuang brigade, armor Phylloxera prevention and control of cotton aphid test, control area of 176 acres and achieved good results. On this basis, in 1964, the intensive cotton area in 12 counties and cities such as Anyang and Tangyin in the entire prefecture was re-tested and a large-scale demonstration was conducted with a demonstration area of 21 hectares and remarkable results. Now two years of trial, demonstration, promotion of the results are summarized as follows: First, the use of pharmaceuticals: 45-50% and 70-75% of methyl phosphorous emulsion for the Tianjin Pesticide Factory products, has been stored for five or six years. According to the determination of Tianjin Pesticide Factory, a slight precipitation phenomenon, the efficacy of 6.5% lower than the control, the bottom of the bottle more precipitation reduction of 27%.