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采用数量化理论Ⅰ评价影响烟叶总糖和烟碱含量的主要土壤肥力因子．结果显示，影响烟叶总糖量的主要土壤肥力因子是有机质、全Ｐ、速效Ｐ、缓效Ｋ和水溶性Ｂ；影响烟叶烟碱含量的主要土壤肥力因子有水溶性Ｂ、交换性Ｍｇ、缓效Ｋ和速效Ｐ
Quantitative Theory Ⅰ was used to evaluate the main soil fertility factors affecting the total sugar content and nicotine content in tobacco leaves. The results showed that the main soil fertility factors affecting the total sugar content of tobacco were organic matter, total P, available P, slow-acting K and water-soluble B. The main soil fertility factors affecting nicotine content in tobacco were water-soluble B, exchangeable Mg, Effective K and Fast P