气温高湿度低！临渭区小麦处于灌浆期“干热风”风险大注意防范
<div class="wx_rich_media_content" id="jsWxContainer"><section style="line-height: 1.7;font-size: 16px;"><section style="justify-content: flex-start; display: flex; flex-flow: row; margin-bottom: 10px;"><section style="display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;padding: 22px;background-color: rgba(250, 44, 8, 0.06);"><section style="text-align: justify;"><p style="text-align: center;"><span class="wxart_image" wx-style="display:inline-block;"></span></p><p>当前，我区小麦处于灌浆期，距离大面积收获还有20多天，正是促进灌浆、提高粒重的关键时期。据气象部门预报5月15-21日我区以晴天为主，个别天数高温可达35℃以上，气温高、湿度低，并伴吹风天气，预计出现“干热风”风险大。根据当前小麦长势，广大群众要特别关注天气变化，防范“干热风”，并提早做好夏收准备，全力夺取夏粮丰收。</p></section></section></section><section style="display: flex;width: 100%;flex-flow: column nowrap;"><section style="height: auto;z-index: 1; "><section style="justify-content: flex-start; display: flex; flex-flow: row; margin-top: 10px; margin-bottom: 10px;"><section style="display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;"><section style=" font-size: 19px;margin-right: 0%;margin-left: 0%;text-align: center;"><section style="display: inline-block;border-width: 1px;border-style: solid;border-color: rgb(251, 138, 62);width: 1.8em;height: 1.8em;line-height: 1.8em;border-radius: 100%;margin-left: auto;margin-right: auto;font-size: 12px;color: rgb(255, 255, 255);background-color: rgb(251, 138, 62);"><p>1</p></section></section></section><section style="display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;padding-right: 13px;padding-left: 13px;"><svg viewBox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section><section style="display: inline-block;vertical-align: middle;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;align-self: center;"><section style=" justify-content: flex-start;display: flex;flex-flow: row nowrap;margin-top: 10px;margin-bottom: 10px;"><section style="display: inline-block;vertical-align: bottom;width: auto;align-self: flex-end;flex: 0 0 auto;min-width: 5%;height: auto;"><section style=" justify-content: flex-start;display: flex;flex-flow: row nowrap;"><section style="display: inline-block;width: 81%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;height: auto;"><section style=" text-align: center;"><section style="height: 1px;background-color: rgba(244, 98, 57, 0.36);"><svg viewBox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section></section></section></section><section style="text-align: justify;color: rgb(161, 56, 27);"><p><strong>“干热风”危害</strong></p></section></section><section style="display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;padding-left: 8px;"><section style=" text-align: right;justify-content: flex-end;display: flex;flex-flow: row nowrap;"><section style="display: inline-block;width: 81%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;height: auto;"><section style=" text-align: center;"><section style="height: 1px;background-color: rgba(244, 98, 57, 0.36);"><svg viewBox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section></section></section></section></section></section></section></section></section></section><section style="justify-content: flex-start; display: flex; flex-flow: row; margin-top: -50px; margin-bottom: 10px;"><section style="display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;padding: 51px 17px 17px;background-color: rgb(254, 245, 243);"><section style="text-align: justify;"><p> “干热风”是小麦后期常发的气象灾害，当天气预报有干热风或遇到气温在30度以上、风力3级连续3天以上、空气相对湿度在30%以下的天气时，应重点做好防干热风准备。</p></section><section style="text-align: justify;"><p><br></p></section><section style="text-align: justify;"><p> 一旦发生会降低叶片光合作用、加速叶片衰老，导致粒重降低、质量下降。轻度“干热风”会使小麦千粒重下降1—3克，重度“干热风”会使小麦千粒重下降4—5克或更多，造成千粒重、容重双下降。</p></section></section></section><section style="display: flex;width: 100%;flex-flow: column nowrap;"><section style="height: auto;z-index: 1; "><section style="justify-content: flex-start; display: flex; flex-flow: row; margin-top: 10px; margin-bottom: 10px;"><section style="display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;"><section style=" font-size: 19px;margin-right: 0%;margin-left: 0%;text-align: center;"><section style="display: inline-block;border-width: 1px;border-style: solid;border-color: rgb(251, 138, 62);width: 1.8em;height: 1.8em;line-height: 1.8em;border-radius: 100%;margin-left: auto;margin-right: auto;font-size: 12px;color: rgb(255, 255, 255);background-color: rgb(251, 138, 62);"><p>2</p></section></section></section><section style="display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;padding-right: 13px;padding-left: 13px;"><svg viewBox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section><section style="display: inline-block;vertical-align: middle;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;align-self: center;"><section style=" justify-content: flex-start;display: flex;flex-flow: row nowrap;margin-top: 10px;margin-bottom: 10px;"><section style="display: inline-block;vertical-align: bottom;width: auto;align-self: flex-end;flex: 0 0 auto;min-width: 5%;height: auto;"><section style=" justify-content: flex-start;display: flex;flex-flow: row nowrap;"><section style="display: inline-block;width: 81%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;height: auto;"><section style=" text-align: center;"><section style="height: 1px;background-color: rgba(244, 98, 57, 0.36);"><svg viewBox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section></section></section></section><section style="text-align: justify;color: rgb(161, 56, 27);"><p><strong>科学管理早预防</strong></p></section></section><section style="display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;padding-left: 8px;"><section style=" text-align: right;justify-content: flex-end;display: flex;flex-flow: row nowrap;"><section style="display: inline-block;width: 81%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;height: auto;"><section style=" text-align: center;"><section style="height: 1px;background-color: rgba(244, 98, 57, 0.36);"><svg viewBox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section></section></section></section></section></section></section></section></section></section><section style="justify-content: flex-start; display: flex; flex-flow: row; margin-top: -50px; margin-bottom: 10px;"><section style="display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;padding: 51px 17px 17px;background-color: rgb(254, 245, 243);"><section style="text-align: justify;"><p> 有灌溉条件的于“干热风”来临前1-3天开展灌水降低麦田近地表气温，提高田间湿度，改善田间小气候，预防“干热风”危害。浇水应选择无风天气，避免大水漫灌，防止倒伏。</p></section><section style="text-align: justify;"><p><br></p></section><section style="text-align: justify;"><p> 注意有风停浇，无风抢浇；没有灌溉条件的也可采取叶面喷水方式并添加0.3%-0.4%的磷酸二氢钾溶液，连续喷施2次，可有效预防高温天气及干热风对小麦后期的影响。喷施时注意选用早上11点前下午4点后，并加大用水量到亩50公斤以上。</p></section></section></section><section style="display: flex;width: 100%;flex-flow: column nowrap;"><section style="height: auto;z-index: 1; "><section style="justify-content: flex-start; display: flex; flex-flow: row; margin-top: 10px; margin-bottom: 10px;"><section style="display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;"><section style=" font-size: 19px;margin-right: 0%;margin-left: 0%;text-align: center;"><section style="display: inline-block;border-width: 1px;border-style: solid;border-color: rgb(251, 138, 62);width: 1.8em;height: 1.8em;line-height: 1.8em;border-radius: 100%;margin-left: auto;margin-right: auto;font-size: 12px;color: rgb(255, 255, 255);background-color: rgb(251, 138, 62);"><p>3</p></section></section></section><section style="display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;padding-right: 13px;padding-left: 13px;"><svg viewBox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section><section style="display: inline-block;vertical-align: middle;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;align-self: center;"><section style=" justify-content: flex-start;display: flex;flex-flow: row nowrap;margin-top: 10px;margin-bottom: 10px;"><section style="display: inline-block;vertical-align: bottom;width: auto;align-self: flex-end;flex: 0 0 auto;min-width: 5%;height: auto;"><section style=" justify-content: flex-start;display: flex;flex-flow: row nowrap;"><section style="display: inline-block;width: 81%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;height: auto;"><section style=" text-align: center;"><section style="height: 1px;background-color: rgba(244, 98, 57, 0.36);"><svg viewBox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section></section></section></section><section style="text-align: justify;color: rgb(161, 56, 27);"><p><strong>适时收获保归仓</strong></p></section></section><section style="display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;padding-left: 8px;"><section style=" text-align: right;justify-content: flex-end;display: flex;flex-flow: row nowrap;"><section style="display: inline-block;width: 81%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;height: auto;"><section style=" text-align: center;"><section style="height: 1px;background-color: rgba(244, 98, 57, 0.36);"><svg viewBox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section></section></section></section></section></section></section></section></section></section><section style="justify-content: flex-start; display: flex; flex-flow: row; margin-top: -50px; margin-bottom: 10px;"><section style="display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;padding: 51px 17px 17px;background-color: rgb(254, 245, 243);"><section style="text-align: justify;"><p> 蜡熟末期是小麦收获的最佳时期。广大群众要密切关注天气变化，及早做好收割机、农机用油、仓贮准备、烘干装备，实现颗粒归仓。</p></section></section></section></section><p style="text-align: right;"><font size="1" face="微软雅黑" color="#c0c0c0">（来源：临渭农业）</font></p><p style="text-align: center;"><img src="https://www.yewn.cn/data/attachment/forum/202405/10/085743ddjcr9c9227sacf8.png"></p><p style="display: none;"><mp-style-type data-value="3"></mp-style-type></p></div> 干热风影响产量 确实又干又热 希望今年小麦能顺利丰收。 干热风影响产量。 希望今年小麦能顺利丰收。 风险大要注意 做好防范确保粮食产量
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