昆明市位于云南省中部,全市总面积2.11万km2(平方公里)土壤属高原红壤地区低纬,高原山地季风气候全市年平均温度超过15℃、5至8月平均温度在20℃左右,年平均日照时间长达2400多小时,无霜期达230天,全年气候温和光照充足,雨量充沛、具有生产优质烟叶得天独厚的自然条件,是烤烟种 Kunming City is located in the central part of Yunnan Province. The total area of ​​the city is 21,100 km2 (km2). The soil belongs to the low latitude in the red soil region of the plateau. The monsoon climate in the plateau mountainous area is over 15 ℃. The average temperature is about 20 ℃ from May to August. As long as 2,400 hours, frost-free period of 230 days, the annual climate is mild enough light, abundant rainfall, with the production of high quality tobacco blessed natural conditions, is the flue-cured tobacco species