花铃期是棉花一生中生育最旺盛,也是决定产量和质量高低的最关键时期。由于今年棉花长期受不良气候的影响,造成开花期将比常年推迟7~10天。面对棉花晚发和抗虫棉易早衰的特点,切实搞好花铃期的田间管理。改进花铃肥的使用技术要改过去花铃肥一次集中追施和只施氮肥的做法,分为两次追施和配施钾肥。 Flower boll cycle is the most fertile cotton life, but also determine the level of production and quality of the most critical period. As this year’s cotton long-term adverse weather effects, resulting in flowering than postponed 7 to 10 days. The face of late cotton and cotton perennial premature senility characteristics, and earnestly do a good job in the field management of flowers and bolls. To improve the use of flower boll fertilizer technology To change the past, once focused on the pursuit of boll fertilizer and nitrogen only practice, divided into two topdressing and potassium fertilizer.