博文

Tobacco

TobaccoFlue-cured tobacco, also known as fire tube flue-cured tobacco, originated in Virginia, USA, and has a special morphological feature, and is therefore also known as the Virginia type. The main feature of flue-cured tobacco is that the plants are tall and the leaves are sparsely distributed. The average plant height is 120-150cm, and the leaves are 20-30 pieces per plant. The leaves are thick and moderate, and the quality of the middle part is the best. It is not advisable to apply too much nitrogen fertilizer in cultivation. The leaves mature from bottom to top and are harvested in several stages. The original preparation method was also drying, and later (1869), it was changed to fire tube baking, which was prepared in the baking room and golden brown after baking. Its chemical composition is characterized by high sugar content, low protein content and moderate nicotine content. Flue-cured tobacco is the largest type of tobacco in China and the largest cultivated ar…