抗虫棉的中后期正值其生长的蕾期—花铃期—吐絮收获期,田间管理技术的高低,对棉花产量和品质影响大,根据五年来的栽培实践,我们总结出了“三要二不要”管理技术,可使棉花提高产量18.1%～30.7%,至少提高一个品级,增加收益明显。现将技术概述如下。三要一要除掉首蕾。棉花的首蕾 The mid-and late-stage of insect-resistant cotton is at the bud stage of its growth - flowering period - boll harvest, field management techniques, the impact on cotton yield and quality, according to five years of cultivation practice, we summed up the “three Second, do not ”management technology, cotton can increase the yield 18.1% ~ 30.7%, at least one grade increase, increase revenue significantly. The technical overview is as follows. Three to get rid of the first bud. Cotton’s first bud