Analysis of Climatic Characteristics and Suitability in Different Tobacco-growing Areas in Enshi

The climatic data of eight tobacco planting areas in Enshi were classified to three types by means of clustering analysis. The first type was Lichuan and Xianfeng, the second type was Badong, and the rest areas was the third type. The climatic among the three types had significant differences, and compared to foreign tobacco-growing areas, the Lichuan and Xianfeng were similar to USA,but the chemical components of tobacco were different. The tobacco chemical components among the three types had significant differences, the climatic factors had great influence on tobacco quality.