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棉花蕾铃的大量脱落,长期以来一直是棉花生产中普遍而又严重的问题。根据本省各棉区的调查,一般蕾铃脱落率都在60—70%,个别严重的达到80%以上。从本省去年蕾铃脱落的情况来分析,老棉区有些棉田由于苗肥控制不当,早期田间管理不良,下中部的脱落较多,伏前桃和伏桃仅占总结铃数的20%左右,绝大多数都是秋桃;新棉区有些棉田由于花铃肥跟不上,后期田间管理放松,引起脱力早衰,上部的蕾铃脱落较多,伏铃少,而秋铃几乎没有。这些情况
The massive fallout of cotton buds has long been a widespread and serious problem in cotton production. According to the investigation of the cotton areas in the province, the average rate of falling off of the budles is 60-70%, with some serious reaching over 80%. From the province last year, falling off the situation to analyze the buds, some cotton fields in the old cotton area due to improper control of Miaofei, poor management of the early field, shed more under the central, volta and V Peach accounted for only about 20% of the number of bolls, The vast majority of autumn peach; some new cotton fields because cotton bolls can not keep up, post-field management to relax, causing premature ejaculation, the upper part of the buds fall off more, less bell, but almost no autumn bell. These situations