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对红云红河集团云南省卷烟原料基地的生态因子进行主成分分析和构建数学模型,筛选不同档次原料基地的关键生态因子。结果表明,红云红河集团省内原料基地烟叶符合作高档原料的占32.0%;符合作中档原料的占58.7%;符合作中低档原料的占9.3%。海拔、土壤质地及大田期降雨量是影响各档次原料形成的主要生态因子,对高档、中档及中低档原料影响的平均权重分别为22.80%、19.27%、19.13%,平均权重之和达61.20%,是集团划分不同档次原料产地生态条件的主要区划指标。
Based on the principal component analysis and mathematical model of the ecological factors of Hongyun Honghe Group Yunnan Cigarette Materials Base, the key ecological factors of different grades of raw material bases were screened out. The results showed that the tobacco leaves of Hongyuan Honghe Group’s raw material bases in the province accounted for 32.0% of the top grade raw materials, 58.7% of the middle grade raw materials and 9.3% of the middle and low grade raw materials. Elevation, soil texture and rainfall during the field are the main ecological factors affecting the production of various grades of raw materials. The average weights of high, mid-range and middle-low grade raw materials are 22.80%, 19.27% and 19.13%, respectively, with the average weights of 61.20% It is the main division index for dividing the ecological conditions of raw materials origin of different grades by the group.