论文部分内容阅读
打顶——烟株生长到形成一定的叶片数或开花后,摘除顶芽或花蕾,打破顶端生长优势,致使养分输送分布各叶片,促进有效烟叶的生长发育,是烤烟栽培管理过程中增进品质和提高产量的重要措施之一.当每株留有合适叶数适时进行打顶,烟叶在田间得以充分生长和成熟,可以提高内在品质,增加高级卷烟原料的比重.一般认为
Topping - tobacco plants grow to the formation of a certain number of leaves or flowering, removal of the top buds or buds, breaking the top of the growth advantage, resulting in the distribution of nutrient delivery leaves, and promote the growth and development of effective tobacco is flue-cured tobacco cultivation and management to improve quality And improve the yield of one of the important measures.When each leaves the right number of leaves at the right time topping, tobacco leaves in the field to fully grow and mature, can improve the intrinsic quality, increase the proportion of senior cigarette raw materials is generally believed that