tip pruning

Different tip pruning times produce certain influence on fiber strength and Mic value, but do not change the fiber length.

不同打顶时间对棉花纤维强度和马克隆值均产生一定的影响，但未改变棉纤维长度的变化。

Study on Tip Pruning Technique of Burley Tobacco

白肋烟打顶技术探讨

The result indicated that: cutting bottom leaves to higher place and double tip pruning leaves can improve quality and optimize configuration of tobacco leaves.

结果表明高打脚叶与二次打顶后，烟叶质量提高，等级结构优化。

Influence of Inflorescence Plucking and Tip Pruning on Vegetative Characters and Root Production of Bupleurum chinense

摘花序、打顶对北柴胡生育性状及根部产量的影响

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.

为了优化烟叶等级结构，把不适销等级烟叶消灭在田间，达到提高烟叶质量的目的，在商洛市5县安排了高打脚叶与二次打顶技术试验与应用。

After tip pruning, the plant becomes vigorous, but seed? setting rate is low and root production increase effect is not apparent.

打顶后植株生长旺盛，但结实率低，根部增产效果不明显。

Different tip pruning times have certain regulation effect on yield and fiber quality of cotton.

表明打顶时间对棉花产量和棉纤维品质具有一定的调节效应。

Technique on High-cutting Bottom Leaf and Double Tip-pruning of Tobacco

烤烟高打脚叶与二次打顶技术研究