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1981年本刊第7卷第1期报导了我校农药研究室试制成功的新型棉花生长调节剂“缩节安”(原名“缩节灵”)。两年多来,农药研究室对该药的合成、分析又取得了新的进展。原合成方法(两步法与一步法)经改进后,质量显著提高。此外,他们自己还设计了一套简便易行的分析方法。我校农作物化学控制研究组,在缩节安的应用方面也进行了较深入的研究,并受农牧渔业部委托,还在全国主要产棉区组织了试验示范,1982年已达数万亩以上。试验表明,缩节
1981 Issue 7, No. 1 reported the successful trial of our school pesticide laboratory of a new type of cotton growth regulator “shrinking security ” (formerly known as “shrinking Ling ”). Over the past two years, the research and development of pesticides has made new progress in the synthesis and analysis of this drug. The original synthesis method (two-step method and one-step method) improved, the quality is significantly improved. In addition, they themselves have designed a simple and easy method of analysis. Our school crop chemical control research group, in the application of reduced security also conducted a more in-depth study, and commissioned by the Ministry of Agriculture, Animal Husbandry and Fisheries, but also in the country’s main cotton-producing areas organized experimental demonstration, in 1982 reached tens of thousands of acres the above. Test shows that contractions