本文论述了钾素与烟叶的香气质、香气量及吃味的关系;分析了土壤—烤烟植株系统钾素营养的组成和功能;提出了改善烤烟钾素营养,提高烟叶钾含量的可能途径和措施。 In this paper, the relationship between potassium and the aroma, aroma and taste of tobacco was discussed. The composition and function of potassium nutrition in soil-flue-cured tobacco plant system were analyzed. Potential ways of improving potassium nutrition of tobacco and increasing potassium content were proposed. Measures.