白肋烟打顶技术探讨朱虎烈，李豪，金顺爱（吉林省延边农业科学研究所）前言打顶时期和留叶数多少问题，是烟草生产中一个很重要的问题。对烤烟和晒烟打顶期和留叶数，在延边地区已做过许多试验和研究，并取得了实质性的结论，应用指导于生产。但白肋烟在吉林省刚刚引种成... Discussion on the technology of burley topping Zhu Hulie, Li Hao, Jin Shunai (Jilin Yanbian Institute of Agricultural Sciences) Preface The question of how much topping and how many leaves to keep is a very important issue in tobacco production. In flue-cured tobacco and smoked topping and stay leaf number, Yanbian area has done a lot of experiments and studies, and made substantial conclusions, the application of guidance in the production. But burley tobacco just introduced in jilin province ...