论文部分内容阅读
[目的]探明黔东南州黄平烟区不同长势烤烟最佳打顶时期和留叶数。[方法]研究不同打顶时期和留叶数与烟叶产质量的关系。[结果]不同打顶时期对烟叶的产质量影响最大。[结论]在黄平县生态条件下,初花打顶+留21叶效果最好,符合优质烟的田间长势长相,烟叶质量好,产量高,能获得较高的经济效益,而且随着打顶时期的延迟,烟叶产量和质量呈下降趋势,经济效益减少。
[Objective] The study aimed to find out the best topping period and leaves number of flue-cured tobacco grown in Huangping tobacco-growing area in Qiandongnan Prefecture. [Method] The relationship between the number of leaves and the number and quality of tobacco leaf during the different topping periods was studied. [Result] The effects of different topping periods on the yield and quality of tobacco were greatest. [Conclusion] Under the ecological conditions of Huangping County, the first flowering top + leaving 21 leaves had the best effect, the field with good quality tobacco grew well, the quality of tobacco leaf was good, the output was high, and the economic benefit could be obtained. Delayed period, the yield and quality of tobacco showed a downward trend, reducing economic efficiency.