<div><br></div><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;">&nbsp; &nbsp; 棉花生长发育后期气温已经偏低，这时土壤施肥效果不好。棉花若有缺氮现象，可根外喷氮，采用５０～１００倍的尿素液，每亩喷施７５千克左右。棉花结铃盛期正处在需磷高峰期，一般棉田，特别是盐碱地棉田缺磷严重，根外喷磷增产效果显著，可采用５０倍过磷酸钙浸出液或３００～５００倍的磷酸二氢钾溶液叶面喷施，一般喷２次，每亩７５千克左右。根外喷肥晴天宜在下午进行，阴天可全天进行，以防止喷后水分蒸发过快，肥料浓度骤增而烧伤叶片。</span></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>