The comparative analysis of nine routine chemical indexes of flue-cured tobacco, including B2F, C3F and X2F, from ten counties with similar ecological conditions in south Hunan was carried out.

• 对生态环境条件相似的湘南烟区10个主产烟县所产烤烟烟叶B2F、C3F和X2F的9个常规化学指标进行了对比分析。