棉花中后期是棉花一生中生长发育最旺盛的时期,也是决定产量的关键时期。加强棉田中后期管理是夺取棉花高产的关键。其中后期管理技术如下:一、科学施肥浇水:花铃期是棉花需肥最多的时期,需肥量约占全生育期的60—70%, Cotton in the latter part of the cotton growth and development of the most productive period, but also determine the key period of production. Strengthening the middle and late management of cotton fields is the key to seize the high yield of cotton. The latter management techniques are as follows: First, the scientific fertilization Watering: flower-bolting period is the period of cotton needs fertilizer up to about the amount of fertilizer accounts for about 60-70% of the whole growth period,