<br><div><section class="_135editor" data-role="paragraph" style="font-size: medium; max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; font-size: 15px; overflow-wrap: break-word !important; outline: none 0px !important;">　　国内大量宣传的所谓“懒棉花”主要是商业操作行为。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; font-size: 15px; overflow-wrap: break-word !important; outline: none 0px !important;">　　棉花在栽培管理上有精细整枝、一般性整枝、简化整枝和不整枝等不同的习惯与做法，并没有“懒棉花”品种分类。生产上绝大多数棉花品种为无限果枝类型，株型一般分为筒型、塔型和松散型，具有无限生长习性，个别为有限果枝类型。在棉株的生长发育过程中，首先分化生长出一定数量的叶枝（又称营养枝，一般２～４个），然后才分化生长果枝，果枝与果节基部还可分化生长出赘芽，只是在强弱程度上品种间有所差异。棉花的上述基本特性并不是决定一个品种在管理上是否需要整枝的根本原因，劳动力状况与生产条件才是棉花栽培管理上是否需要整枝和如何整枝的直接要求。在地多人少、机械化水平较高的先进植棉国家，棉花管理上一般不进行整枝。近年来山东等地，尤其是地多人少的棉区，少数棉农为了省工节本，在棉花管理上不去叶枝或只进行粗放性整枝，采取这种做法，一般要求适当放宽行距，降低留苗密度。因此，“懒棉花”应当属于种植管理上“简化栽培”的技术范畴。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p></section><section class="_135editor" data-role="paragraph" id="autoparagraph" style="font-size: medium; max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, sans-serif; font-size: 17px; caret-color: rgb(255, 0, 0); overflow-wrap: break-word !important; outline: none 0px !important;"></p></section></div>