烟叶烤制是一项较为复杂的技术,因此在烘烤烟叶时,必须把握技巧,防止产生低次烟。一、防止青烟青烟产生的原因:一是烟叶生长前、中期施用氮肥过多或复合肥过量,造成烟株贪青生长过旺,叶片大,叶肉薄,油分含量少,叶绿素和蛋白质含量过高。在烘烤时烟叶变色期转黄慢,烤出的烟易破碎,呈黑褐色。二是采摘没有成熟的烟叶,由于叶片叶绿素含 Tobacco leaf roasting is a more complicated technique, so when baking tobacco leaf, we must grasp the skills to prevent low-level smoke. First, to prevent the causes of green smoke and smoke: First, tobacco growth before and during the application of too much nitrogen or compound fertilizer excess, resulting in excessive growth of tobacco plants greed green, leaves large, thin leaves, less oil content, chlorophyll and protein content Too high. Tobacco leaves turn yellow during discoloration, roasted smoke easily broken, dark brown. Second, there is no mature tobacco picking, due to leaf chlorophyll-containing