论文部分内容阅读
农业部棉花专家指导组提出了《2016年棉花生产后期管理技术指导意见》。其中,针对长江流域棉区在棉花生长中期屡遭暴雨、高温等恶劣天气情况,提出以下几点意见。1.追肥整枝追肥。8月下旬至9月下旬,用0.3%磷酸二氢钾进行叶面追肥,每隔1周喷施1次。对缺钾、缺硼棉田,及时追施钾肥、硼肥,补充后期养分,防棉蕾脱落早衰。整枝。及时除去无效果枝,中下部老叶、赘芽,增强通风透光性,增加棉株上部成铃率和铃重,防止烂铃发生。
Ministry of Agriculture cotton experts guidance group put forward “2016 cotton production late management technical guidance.” Among them, for the cotton area in the Yangtze River Basin in the mid-growing cotton repeatedly suffered heavy rains, high temperatures and other inclement weather conditions, made the following comments. 1. Dressing pruning dressing. Late August to late September, with 0.3% potassium dihydrogen phosphate foliar fertilizer, spraying once every 1 week. On potassium deficiency, boron deficiency cotton fields, timely topdressing potash, boron fertilizer, add late nutrition, anti-cotton buds off progeria. Pruning Timely removal of ineffective branches, the middle and lower parts of the old leaves, buds, enhance ventilation and translucency, increased cotton boll and boll weight at the top to prevent the occurrence of bad bell.