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为了比较贵州省毕节烟区不同成土母岩间烤烟化学成分的差异,采用灰色关联聚类和决策分析方法,对149份烟叶样品(C3F等级)10个化学成分指标进行了综合评价。结果表明:根据烤烟化学成分的差异,16种不同成土母岩可分为4个类别:黄砂岩类、白云岩类(包括紫红泥岩、紫红砂岩、紫色砂岩、泥岩、白云岩、砂页岩夹煤层、玄武岩)、第四纪红色黏土类(包括第四纪红色黏土、紫色砂页岩、黄色砂页岩、泥页岩、砂页岩、石灰岩和石英砂岩)和白云质灰岩类(包括白云质灰岩)。各类烤烟化学成分的综合表现为:黄砂岩类表现最优,综合评价值为0.92;白云岩类次之,综合评价值为0.65;第四纪红色黏土类和白云质灰岩类相对较低,综合评价值分别为0.54和0.52。
In order to compare the difference of chemical composition of flue-cured tobacco between different soil parent rocks in Bijie tobacco-growing area of Guizhou Province, the comprehensive evaluation of 10 chemical composition indexes of 149 tobacco leaf samples (C3F grade) was carried out by using gray relational clustering and decision analysis method. According to the difference of chemical composition of flue-cured tobacco, the 16 different parent rocks can be divided into four categories: yellow sandstone, dolomite (including purple red mudstone, purplish red sandstone, purple sandstone, mudstone, dolomite, sand shale Triassic red clay (including Quaternary red clay, purple sand shale, yellow sand shale, shale, sand shale, limestone and quartz sandstone) and dolomitic limestone Including dolomitic limestone). The chemical composition of various types of flue-cured tobacco showed the following comprehensive performance: yellow sandstone was the best, with a comprehensive evaluation value of 0.92; followed by dolomite, with a comprehensive evaluation value of 0.65; Quaternary red clay and dolomitic limestone were relatively low , The comprehensive evaluation value was 0.54 and 0.52 respectively.