设施蔬菜应对低温阴雨雪天气管理措施
<section style="margin:10px 0px;"><section style="display: inline-block; width: 100%; vertical-align: top; border-width: 0px; box-shadow: rgb(0, 0, 0) 0px 0px 0px; box-sizing: border-box;" data-width="100%"><section style="margin-top: 10px; margin-bottom: 10px;"><section style="border-width: 1px; border-style: solid; border-color: rgb(232, 73, 63); border-radius: 5px; box-sizing: border-box;"><section><section style="width: 5px; height: 5px; border-bottom: 1px solid rgb(232, 73, 63); border-right: 1px solid rgb(232, 73, 63); float: left; border-top-color: rgb(232, 73, 63); border-left-color: rgb(232, 73, 63); box-sizing: border-box;"></section><section style="width: 5px; height: 5px; border-bottom: 1px solid rgb(232, 73, 63); border-left: 1px solid rgb(232, 73, 63); float: right; border-top-color: rgb(232, 73, 63); border-right-color: rgb(232, 73, 63); box-sizing: border-box;"></section><section style="clear: both;"></section></section><section style="padding-right: 4px; padding-left: 4px; box-sizing: border-box;"><section style="width: 100%; border-width: 1px; border-style: solid; border-color: rgb(232, 73, 63); margin-top: -1px; margin-bottom: -1px; padding-top: 10px; padding-bottom: 10px; box-sizing: border-box;" data-width="100%"><section><section style="font-size: 14px; line-height: 1.8; letter-spacing: 2px; padding-right: 10px; padding-left: 10px; box-sizing: border-box;"><p style="white-space: normal;"><br/></p><p style="margin-top: 0px;margin-bottom: 0px;padding: 0px;outline: 0px;max-width: 100%;clear: both;min-height: 1em;color: rgba(0, 0, 0, 0.9);font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;font-size: 17px;letter-spacing: 0.544px;text-align: justify;text-wrap: wrap;background-color: rgb(255, 255, 255);text-indent: 2em;line-height: 2em;visibility: visible;box-sizing: border-box !important;overflow-wrap: break-word !important"><span style=";padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;visibility: visible">天气预报显示，近期我县会出现连续低温、阴雨雪天气。农技人员提醒：各设施蔬菜种植户要切实加强管理，对老旧设施做好墙体、棚架、后坡的修复和加固，及时检修棚膜，利用广播、电视、微信等平台密切关注天气预报，固定专人24小时值班，检修、备齐相应的物资，确保设施蔬菜安全越冬。结合县域生产实际，提出以下意见，供参考执行。</span></p><p style="margin-top: 0px;margin-bottom: 0px;padding: 0px;outline: 0px;max-width: 100%;clear: both;min-height: 1em;color: rgba(0, 0, 0, 0.9);font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;font-size: 17px;letter-spacing: 0.544px;text-align: justify;text-wrap: wrap;background-color: rgb(255, 255, 255);text-indent: 2em;line-height: 2em;visibility: visible;box-sizing: border-box !important;overflow-wrap: break-word !important"><strong style=";padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;visibility: visible">1.做好保温。</strong><span style=";padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;visibility: visible">利用好多层覆盖，可在棚内加设“二膜”、“三膜”或“四膜”，外棉被上须加盖“防寒膜”。棉被管理按照“晚揭早盖”的做法，上午拉开棉被后，以室内温度不下降为宜，下午在室内温度降至20℃时及时盖被，尽量多保存热量，防止夜间热量散失。</span></p><p style="margin-top: 0px;margin-bottom: 0px;padding: 0px;outline: 0px;max-width: 100%;clear: both;min-height: 1em;color: rgba(0, 0, 0, 0.9);font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;font-size: 17px;letter-spacing: 0.544px;text-align: justify;text-wrap: wrap;background-color: rgb(255, 255, 255);text-indent: 2em;line-height: 2em;visibility: visible;box-sizing: border-box !important;overflow-wrap: break-word !important"><strong style=";padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;visibility: visible">2.人工增温。</strong><span style=";padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;visibility: visible">安装大棚“小喇叭”或温度计适时监测设施温度，夜温保持在10℃以上，低于10℃，采用人工加温措施，选用环保型好的热风炉、增温块、热风机、增温补光灯等补充气温；用电热线、地暖管道等补充地温。</span></p><p style="margin-top: 0px;margin-bottom: 0px;padding: 0px;outline: 0px;max-width: 100%;clear: both;min-height: 1em;color: rgba(0, 0, 0, 0.9);font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;font-size: 17px;letter-spacing: 0.544px;text-align: justify;text-wrap: wrap;background-color: rgb(255, 255, 255);text-indent: 2em;line-height: 2em;visibility: visible;box-sizing: border-box !important;overflow-wrap: break-word !important"><strong style=";padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;visibility: visible">3.控湿。</strong><span style=";padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;visibility: visible">阴雨雪低温天气，适当控水或不浇水，雨雪天气过后，适当补水。</span></p><p style="margin-top: 0px;margin-bottom: 0px;padding: 0px;outline: 0px;max-width: 100%;clear: both;min-height: 1em;color: rgba(0, 0, 0, 0.9);font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;font-size: 17px;letter-spacing: 0.544px;text-align: justify;text-wrap: wrap;background-color: rgb(255, 255, 255);text-indent: 2em;line-height: 2em;visibility: visible;box-sizing: border-box !important;overflow-wrap: break-word !important"><strong style=";padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;visibility: visible">4.光照管理。</strong><span style=";padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;visibility: visible">及时清除棚膜上的灰尘及积雪，增强透光率。阴雨雪天气，也要见光，不可全天盖被，利用散射光进行光合作用，提高植株的抗性；有条件的地方，可采用补光灯补光。</span></p><p style="margin-top: 0px;margin-bottom: 0px;padding: 0px;outline: 0px;max-width: 100%;clear: both;min-height: 1em;color: rgba(0, 0, 0, 0.9);font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;font-size: 17px;letter-spacing: 0.544px;text-align: justify;text-wrap: wrap;background-color: rgb(255, 255, 255);text-indent: 2em;line-height: 2em;box-sizing: border-box !important;overflow-wrap: break-word !important"><strong style=";padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important">5.病虫害防治</strong><span style=";padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important">。预防为主，综合防控，创造一个健康的植株是防病的关键，管理上合理整枝打叉，减少伤口，预防病害；降温天气来临前喷施寡糖药剂，增强植株抗性，预防冻害；及时做好蚜虫、粉虱等病虫害监测预警，一旦发现，及早用药防治；如发生病害，可燃放百菌清、腐霉利、嘧霉胺等烟雾剂，傍晚盖棉被后点燃熏烟，每亩用量200～250克，每隔7～10天熏烟1次，连熏2～3次；雨雪天气骤晴，要回帘遮阴，防止闪苗，适当喷施磷酸二氢钾，适当补水，促进植株生长。</span></p><p></p><section style=";padding: 0px;outline: 0px;max-width: 100%;color: rgba(0, 0, 0, 0.9);font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;font-size: 17px;letter-spacing: 0.544px;text-align: justify;text-wrap: wrap;background-color: rgb(255, 255, 255);text-indent: 2em;box-sizing: border-box !important;overflow-wrap: break-word !important"><span style=";padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important"> </span></section><p></p><hr style=";padding: 0px;outline: 0px;max-width: 100%;color: rgba(0, 0, 0, 0.9);font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, 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