棉花后期一般是从8下旬～11月上旬,在此期间管理的主要目的是使根部、叶部吸收足够的水肥,茎秆粗壮能够畅通传导营养物质,棉株不贪青、不落花,棉铃生长好、不落桃,成熟好、吐絮畅,早熟而不早衰。然而在棉花种植中,农民最关心的也就属后期早衰和落铃的问题,本文就此做以阐述。1.如何防止后期早衰棉花发生早衰一般情况下与前期的水肥及管理直接相关,主要原因是棉地环境条件 Cotton is generally late from late August to early November, the main purpose of management during this period is to make the roots and leaves absorb enough water and fertilizer, stalks sturdy to smooth the conduction of nutrients, cotton plants are not greedy, no flowering, boll growth Good, do not fall peach, mature, spit floc, precocious but not premature. However, in cotton cultivation, farmers are also most concerned about the problem of late premature aging and falling bell, this article to do so. 1. How to prevent premature senescence of cotton premature senility under normal circumstances and pre-water and fertilizer directly related to management, mainly due to environmental conditions in cotton