菸草是一种叶用的經济作物,产量与品质均应兼顾。单純追求产量,忽視品质,固然是不正确的;但片面强調品质,不顾产量,也是不适当的。虽然各菸区环境条件錯綜复杂,不仅不同菸型、不同品种在不同条件下,产量与品质有着不同的变化,即使同一品种在不同地区不同年分栽培,亦往往出現 Tobacco is a leafy cash crop with both yield and quality. Pure pursuit of output, neglect of quality, of course, is not correct; but one-sided emphasis on quality, regardless of output, it is not appropriate. Although the environmental conditions in each tobacco area are complicated, not only different types of tobacco, but also different varieties have different changes in yield and quality under different conditions. Even though the same variety is cultivated in different years in different regions, it often appears