Technique on High-cutting Bottom Leaf and Double Tip-pruning of Tobacco
ZHANG Zheng ping, LIU Meng jun (Northwest Sci Tech University of Agriculture and Forestry, Yangling Shaanxi 712100, China)
The experiment of high cutting bottom leaf and double tip pruning was carried out in five counties of shangluo city to optimize configuration, exterminate the unwell sell grade and improve quality of tobacco leaves. The result indicated that: cutting bottom leaves to higher place and double tip pruning leaves can improve quality and optimize configuration of tobacco leaves. Cutting bottom leaves to higher place not only can improve yield and income but also can optimize configuration and quality of tobacco leaves. Double tip pruning can make the yield reduced but the income and quality improved and the proportion of first grade and middle grade leaves increased. It also make the central part leaves increased and the top leaves decreased more than 20% and the usability increased evidently. The measurement was very useful to decrease proportion of low quality leaf of tobacco.
【CateGory Index】： S572