整枝是人为协调棉株营养生长与生殖生长进程以达到优质高产的重要手段之一.整枝包括打顶心、打群尖、去赘芽、剪空枝等.多年实践表明,打顶是吐鲁番棉区长绒棉整枝中一项至为重要的技术,而打顶的时间、方法及效果则依气候条件、品种和栽培条件而定.吐鲁番盆地有东西向的火焰山横卧中央,使南北两地成为不同的气候区,农事活动相差15天左右.火焰山北部棉区的棉农, Pruning is one of the important ways to coordinate the process of vegetative and reproductive growth of cotton plants in order to achieve high quality and high yield.The pruning includes topping the heart, playing the group spire, removing the buds, cutting the branches, etc. Years of practice have shown that the topping is Turpan cotton District long staple cotton pruning in an important technology, and topping time, methods and effects according to climatic conditions, varieties and cultivation conditions may be .Thulufan basin east-west flaming mountains lying central, so that the two north and south Become a different climatic zone, agricultural activities a difference of about 15 days.Flame Hill northern cotton farmers,