氮肥用量对白肋烟产质的影响

Effect of the Amount of N Fertilizer Applied on the Yield and Quality of Burley Tobacco

摘要: 研究了氮肥用量对白肋烟农艺性状、生育期、产量、产值、均价、上等烟比例、外观质量的影响以及对烟碱、氮碱比和评吸质量的影响。白肋烟施氮12.5~15kg/667m²,烟碱适宜(最高烟碱含量低于4.5%)、氮碱比协调、评吸质量较好。

Abstract: The effect of the amount of nitrogen applied on agronomic characteristics, growth stage, yield, value, average price, proportion of superior leaves, physical quality, nicotine content, N/Nic., and smoking quality of burley tobacco were studied.The results showed that high quality burley tobacco could be obtained when the lev el of nitrogen applied was 12.5~15kg/667m².