伏期是棉花生长发育最旺盛和产量形成的关键时期,又是各种矛盾表现最突出时期。此期技术管理的主攻目标:在早发稳长的基础上,以促为主,促控结合,最大限度地发挥增产潜力,促进蕾铃俱增,花蕾两旺,减少脱落,达到早熟,不早衰、不贪青晚熟的目的。 一、水肥管理。此期是棉花对水肥要求最迫切的时期,对长势较旺、伏前桃多的棉田,要防早 Volt is the most prosperous cotton growth and yield a critical period of formation, but also the most prominent period of various contradictions. The main target of this period of technical management: on the basis of the early onset of stability, mainly to promote and promote the combination of maximizing the yield potential to promote the growing buds, buds thrive, to reduce loss, to premature, not Premature aging, not greedy late maturity purposes. First, water and fertilizer management. This period is the most urgent requirement of cotton for water and fertilizer. For cotton growing more vigorously and with more peachiness, it is necessary to prevent early