由中国工程院牵头组织评选出两弹一星、汉字信息处理等 2 5项的“二十世纪我国重大工程技术成就”中 ,无机化工榜上有名。无机化工包括化学肥料、纯碱、氯碱和无机非金属材料 ,化肥工业为其中的重要内容。其主要内容是 :化肥是粮食的“粮食” ,包括氮肥、磷肥、钾肥、复合肥以 Organized by the Chinese Academy of Engineering led the organization selected two bombs and one satellite, information processing and other 25 items of “Twentieth Century, China’s major engineering achievements”, the inorganic chemical industry standings. Inorganic chemicals, including chemical fertilizers, soda ash, chlor-alkali and inorganic non-metallic materials, fertilizer industry is one of the important content. Its main content is: Fertilizer is the food of “food”, including nitrogen, phosphate, potassium, compound fertilizer to