烤烟上部叶烤青问题的综合治理

Integrated Control Greened Leaf at Flue-cured Tobacco Upper Leaf

上部烟叶烤后含青将大大地降低烟叶的质量、等级和价格 ,严重时会导致烟叶丧失可用性。应采取综合技术措施 ,确保上部叶充分变黄并及时定色 。

The quality, grade and value cut down largely if upper leaves of flue-cured tobacco with green after cured. When greenish area over 30%, the usability of tobacco leaves lost and greened leaves should be controlled.