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棉花蕾铃脱落一般达60—70％,是影响棉花单产上升的重要原因之一。以摘顶打边为主要内容的棉花整枝,能够减少蕾铃脱落,提高棉花产量,改善棉花纤维品质,已为试验研究和生产实践所证实。目前,棉花摘顶已逐渐为棉农所掌握并广泛应用,而打边心这项技术措施在不少棉区由于种种原因,还未受到应有的注意而未被广泛推广。根据笔者多年的观察和试验,认为在整枝时,光摘顶而忽视结合打边,增产效果是得不到充分发挥的。随着植棉技术水平的提高,打边应受到充分的重视并在生产中广泛推广运用。一、摘顶结合打边的效果一九七三年收花季节,我们从4,000株密
Cotton buds fall off generally up to 60-70%, which is one of the important reasons that affect the cotton yield. The cotton pruning with the top-trimmed edge as the main content can reduce the shedding of the buds, increase the yield of the cotton and improve the quality of the cotton fiber, which is confirmed by experimental research and production practice. At present, cotton picking has gradually been mastered and widely used by cotton growers. However, this technical measure has not been widely promoted in many cotton areas due to various reasons. According to the author for many years of observation and experiment, that in the pruning, the light to the top while ignoring the combination of edge, the effect is not give full play. With the improvement of the level of cotton planting technology, the edge should be given full attention and widely promoted in production. First, the combination of the top edge of the effect In 1973, when the flowering season, we from 4,000 plants dense