【摘要】 就我国当前烟叶生产中存在的上部烟叶可用性较低和烟碱含量过高这一问题 ,汇集了各方面的研究成果 ,从烟草生理生化的基础理论入手 ,系统分析了影响上部烟叶可用性的环境因素、营养施肥、栽培采收、调制等生产中可用的调控技术和理论 ,综述了我国在解决上部烟叶的可用性和控制烟碱含量过高的研究进展、途径和方法。提出了一些可供参考的技术路线和思路。更多还原

【Abstract】 At present, there are some factors that restrict upper leaf usability in our country. This article sum up various facts in this field. With view to physiology and biochemical of flue-cured, system analysis on influence factors on usability of upper leaf and the control technology of nicotine such as environmental,nutrition and apply fertilizer, agronomic measure, modulating etc. The survey our country is solving the usability and research developing, way and method. Some technological routes suitable for settling this problem have put forward.更多还原