近两年在棉花生产上推广了移栽地膜棉，针对大面积生产上仍沿用过去的追施花铃肥的诊断标准，造成肥料脱节，早衰的实际情况，特别是梅雨期长，雨量大的年份花铃肥施用适期掌握不准，为此，进行移栽地膜棉花铃肥施用适期的研究，为大面积生产提供科学依据。1试验方法试验设在石 The past two years in the cotton production to promote the transfer of cotton membrane, aiming at large-scale production is still used in the past the topdressing boll fertilizer diagnostic criteria, resulting in fertilizer out of line, the actual situation of premature aging, especially the long rainy season, rainfall, large annual flower Inappropriate application of boll fertilizer is not allowed. Therefore, the appropriate period of application of boll bolting cotton for cotton seedling transplanting should be provided to provide a scientific basis for large-scale production. A test method Test set in the stone