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華北黃淮大部干旱 局地重旱

2024-06-13 08:57:11 來源：全國農(nóng)業(yè)技術(shù)推廣服務(wù)中心 閱讀量：15613 評論

導(dǎo)讀：河南大部，山東魯中、魯南及半島大部，蘇皖北部大部近10天無有效降水。

　　【農(nóng)機網(wǎng) 熱點關(guān)注】 5月中旬以來，華北黃淮大部降水量較常年同期偏少5—8成，其中河北南部、山西中南部、河南中東部和北部、山東北部局地、蘇皖北部局地降水量偏少8成—1倍，氣溫偏高1—2℃，局地偏高2—4℃。河南大部，山東魯中、魯南及半島大部，蘇皖北部大部近10天無有效降水。
 
　　據(jù)6月11號土壤墑情監(jiān)測，華北黃淮0—20cm土壤相對含水量均值為67.58%，20—40cm土壤相對含水量均值為72.21%。0—20cm，有51%的站點土壤相對含水量低于65%，出現(xiàn)干旱；其中約1/3站點土壤相對含水量低于55%，出現(xiàn)重旱。20—40cm，有40.1%的站點土壤相對含水量低于65%，出現(xiàn)干旱；其中，約1/5站點土壤相對含水量低于55%，出現(xiàn)重旱。干旱地區(qū)(土壤相對含水量低于65%)主要分布在河北中南部、山西晉中東部和運城中部、安徽沿淮淮北、河南中南部、山東中東部及陜西關(guān)中平原、渭北旱塬旱地。
 
　　據(jù)氣象預(yù)測，未來10天華北南部、黃淮、江淮及陜西等地降水量偏少，華北東部(山東西北部、河北東部)累計降水量有15—40mm。6月12—14日，華北大部、黃淮、蘇皖北部有持續(xù)性高溫天氣，其中，河北中南部、河南、山東最高氣溫可達(dá)39—42℃，應(yīng)根據(jù)氣象狀況及時開展夏收夏種，搶收成熟麥田，已成熟冬小麥要加快收獲，確保顆粒歸倉。搶墑播種夏玉米，墑情適宜地區(qū)加快播種夏玉米，墑情不足地區(qū)采用干播濕出，播后澆“蒙頭水”，“蒙頭水”宜小水快澆，保證田間不積水，灌水時間應(yīng)選在上午10點前和下午5點后。小畦灌畝灌40方，滴灌噴灌等畝灌25—30方。大力推廣地面滴灌、淺埋滴灌、地埋可伸縮噴灌水肥一體化技術(shù)。已出苗但出現(xiàn)干旱地塊要適時小水灌溉，補墑降溫。

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