棉花进入始花期至盛铃期以前，正值由营养生长与生殖生长的两旺向以生殖生长为主的逐渐过渡阶段，是棉花产量形成的重要时期，也是棉花水分管理的关键时期，做好这一阶段的水分管理是棉花高产的基础。新疆属典型大陆性气候，绿洲灌溉农业，棉花生产完全依赖灌溉。本文以北疆高? Before the flowering period from the initial flowering stage to the boll stage, the positive transition from vegetative and reproductive growth to reproductive growth is an important period for the cotton production. It is also a crucial period for cotton moisture management and is well established Water management at this stage is the basis of high yield of cotton. Xinjiang is a typical continental climate, oasis irrigated agriculture, cotton production is completely dependent on irrigation. This article is northern high?