混合土农药“705”、“707”等是1970年我们和江西省奉新县贫下中农及县农药厂的职工一道,以马列主义、毛泽东思想为指导,坚持以土为主、土洋结合的原则,经过反复实践后配制出来的。几年来的生产实践进一步证明,“705”、“707”具有下列优点:(1)杀虫效果稳定,对一般稻、棉主要害虫杀伤力能保持在80—90%。(2)成本较低,一 In 1970, we mixed the pesticides “705” and “707” with our staff in the pesticide factories of poor middle peasants and counties in Fengxin County, Jiangxi Province. Under the guidance of Marxism-Leninism and Mao Zedong Thought, we insisted on combining soil with earth and earth Principle, formulated after repeated practice. Years of production practice further proves that “705”, “707” has the following advantages: (1) insecticidal effect is stable, the general rice, cotton major pest lethality can be maintained at 80-90%. (2) lower cost, one