[目的]为德宏烤烟生产施肥提供理论依据，准确制订施肥技术方案。[方法]以云烟87、红花大金元、KRK26这3个烤烟品种为材料，研究不同施氮量对德宏烤烟生长及产质量的影响。[结果]不同的施氮水平下，3个参试品种均能表现出较好的特性，随施氮量增加，烟叶产量与产值增加，其中以KRK26产量、产值最高。[结论]初步确定了云烟87、红花大金元和KRK26在德宏烟区种植中的最佳施氮量：云烟87为120～135 kg／hm2，红花大金元为90～105 kg／hm2，KRK26为105～120 kg／hm2。%Objective] The aim was to provide theoretical basis and plan of nitrogen fertilizer application for flue-cured tobacco production in Dehong Region.[Method] The effects of different nitrogen fertilizer rate on tobacco growth, yield and quality of Yunyan 87, Honda, KRK26 flue-cured tobacco cultivars in Dehong Region were studied.[ Result] The results showed that under different nitrogen application levels, three tested varieties can fully show their varietal characteristics. Increasing the N rate, yield and output value of tobacco showed an increasing trend as well.Among these cultivars, KRK26 had the highest yield and output value.[ Conclusion] This study provided the optimal nitrogen fertiliz-er application for the main flue-cured tobacco cultivars in Dehong County, as followed:120 -135 kg/hm2 for Yunyan 87 cultivar, 90 -105 kg/hm2 for Hongda cultivar, and 105-120 kg/hm2 for KRK26 cultivar.
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