生产实践证明,棉花在吐絮期科学整枝,可改善田间通风透光条件,减少烂铃,促进早熟,尤对旺长棉田更为重要。具体技术要求是: 1.去无效花蕾。去花蕾时间应根据各地生长期长短和初花期早晚而定,一般在9月5日之后,把所有花蕾全部去掉,因为这些花蕾一般不能正常吐絮成熟,为无效花蕾。 Production practice has proved that cotton in the boll opening period science pruning, can improve the field ventilation and light conditions, reduce the bad bell, promote early maturity, especially Mongolian cotton fields is more important. Specific technical requirements are: 1. To invalid buds. The time to go to the bud should be based on the length of the growing season and early flowering sooner or later, usually after September 5, all the buds are removed, because these buds are generally not normal bolting mature, as invalid buds.