Planting method for upper six tobacco leaves of flue-cured tobacco and fertilizer

Abstract

The invention relates to an upper-six-tobacco-leaf flue-cured tobacco planting method capable of enlarging a range of use of upper tobacco leaves and increasing a quality utilization ratio of the upper tobacco leaves. The method comprises the following planting steps: tobacco field selecting, floatation seedling nursing, flat land transplanting and root extending stage ridge covering, root extending stage fertilizing, strain tip pruning, ripening stage management and upper-six-tobacco-leaf harvesting. According to the method, the color, chromaticity and identity of the tobacco leaves are improved, the global appearance quality of the upper tobacco leaves is improved, the proportion of first-class tobacco leaves is increased, and the coordination of chemical ingredients of the tobacco leaves is improved.

Description

technical field [0001] The invention belongs to the technical field of tobacco leaf planting, and in particular relates to a planting method and fertilizer for six tobacco leaves on flue-cured tobacco, which can expand the use range and quality utilization rate of upper tobacco leaves. Background technique [0002] At present, my country's tobacco industry and commerce generally believe that the quality of the middle leaf is the best. Most tobacco factories still use the middle leaf as the main raw material to produce Class I and Class II cigarettes. This concept was formed in the past production and was in line with the actual production at that time. However, with the deepening of cigarette tar reduction and harm reduction technology, the availability of tobacco leaves has also changed. The concentration of the middle leaves is relatively weak, which is not suitable for low-tar cigarettes. In order to compensate for the lack of aroma in the middle leaves after decoking,...

AI Technical Summary

Problems solved by technology

At present, there is a large gap between the quality of the upper tobacco leaves in my country and the international high-quality tobacco leaves and industrial requirements, mainly in: thick leaves, tight tissue, high degree of green and impurity content, high nicotine, low sugar-base ratio, and smoking irritation These defects seriously limit the use range and quality utilization rate of the upper tobacco leaves. The main reason is that the top leaves in my country cannot be truly maturely harvested.

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