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一、施好花铃肥花铃肥包括蕾期当家肥，花期重施速效氮肥，打顶前后补施盖顶肥等。花铃期吸收的氮、磷、钾占总吸收量的70％以上．保证此期的养分供应意义重大。特别是盛花期1次重施肥，不论是施用时间、数量，还是施用方法，对产量影响都很大。时间上应掌握在棉株下部有1～2个
First, good flower boll fertilizer flower boll buds, including buds when the fat man, flowering re-applied quick-acting nitrogen fertilizer, topping top dressing and so on. Naphthalene, phosphorus and potassium absorbed in the flower-boll stage accounted for more than 70% of the total absorption. Ensure that this period of nutrient supply is of great significance. In particular, full bloom flowering once fertilization, whether it is the application time, quantity, or application methods, the impact on yield are large. Time should be in the lower part of the cotton have 1 or 2