<br><div><section class="_135editor" data-role="paragraph" style="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;">　　棉花苗床育苗期间的病虫草害是棉花一生中首次遭遇到的灾情灾害。对此，有些农民不能引起重视，认为防治与不防治无关大事。其实，有些发生年景偏重的病虫草害若不及时防除，对能否拿足优质苗用于日后大田移栽影响相当大。因而，棉花苗床期虫草防除须重视。具体防除方法，首先是防治地老虎、蚯蚓等地下害虫，在棉花苗床制钵前拌土时，每18米长苗床使用25％甲萘威可湿性粉剂40克，先将药剂兑入水中均匀浇床土，充分拌匀后制钵即可；在棉花苗床杂草化除上，可在棉籽播种盖土后覆膜前，每18米长苗床使用36％丁噁草乳油5毫升或20％敌草胺乳油6～7毫升对水2公斤喷于床面，施药时喷洒均匀，防止漏喷、重喷。</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;">　　</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="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>