“长—751”石油助长剂是长春石油化工研究所与化工厂协作研制的一种新型生物激素,主要成份是环烷酸钠。自1975年以来,经全国27个省市试验,对多种作物有显著的增产和促熟效应。自1980年起已纳入国家计划,组织工业化生产。它是用炼油后的碱渣加工制成,不易燃烧,无残毒和致癌物质,价格低廉。我所自1979年起,二年来分别进行了棉花浸种,及在苗、蕾、初花、盛花等不同生育期不同浓度的叶面喷施的田间及盆栽试验,同时还分送给所外棉花科研单位,进行了常用激素和各种新型激素品种 “Chang-751” petroleum extender is a new type of bio-hormone developed by Changchun Petrochemical Research Institute in collaboration with chemical plants. Its main ingredient is sodium naphthenate. Since 1975, after being tested in 27 provinces and cities across the country, it has significantly increased yield and ripening effect on various crops. Since 1980, it has been incorporated into the state plan to organize industrialized production. It is processed with refined caustic soda oil refining, non-flammable, non-toxic and carcinogenic substances, low prices. Since 1979, I have carried out soaking of cotton in two years and fields and potted plants with different concentrations of foliage, such as seedlings, buds, primrose flowers, and full bloom, etc., as well as cotton plants Research institutes, conducted a variety of commonly used hormones and new hormones