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白肋烟是我州的主要经济作物之一,产量占全国第一位,已成为全国生产基地.一九八二年全州产量达到52.5万担.建始县已发展成为我国白肋烟外贸出口基地. 一、自然条件我州位于鄂西南,与川、湘接壤.境内山奕起伏,地形复杂.地势从中部向东北逐渐增高,相对高差很大.土壤母质以面灰岩为主,PH多低于7.最适宜白肋烟生长的区域是海拔800～1200米地带,平均温度13℃,最低-10℃,年降雨量1650毫米,
Burley tobacco is one of the main cash crops in the state, its output accounts for the first place in the country and it has become a national production base. The statewide output reached 525,000 dub in 1982. Jianshi County has developed into a foreign trade exporter of burley tobacco in our country First, the natural conditions of the state is located in southwestern Hubei, Sichuan and Hunan bordering the territory of the ups and downs, terrain complex topography from the central to the northeast gradually increased, the relative elevation is large soil parent material to mainly limestone, PH Much less than 7. The most suitable area for burley tobacco growth is 800 ~ 1200 meters above sea level, the average temperature of 13 ℃, the lowest -10 ℃, the annual rainfall of 1650 mm,