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揚州今年小麥油菜返青期苗情及田管技術(shù)意見發(fā)布

2023-02-27 09:37:32 來源：江蘇省揚州市農(nóng)業(yè)農(nóng)村局 閱讀量：14849 評論

導(dǎo)讀：當(dāng)前，揚州市各地田間“雨水”已至，農(nóng)時不等人，隨著氣溫回升，揚州市小麥從南到北將逐步進(jìn)入返青期，生長速度逐步加快，小麥生產(chǎn)也進(jìn)入了春季田管的關(guān)鍵階段。

　　【農(nóng)機(jī)網(wǎng) 熱點關(guān)注】2月21日，江蘇省揚州市發(fā)布今年小麥油菜返青期苗情及田管技術(shù)意見。針對當(dāng)前苗情特點和生產(chǎn)實際中存在的突出問題，揚州市農(nóng)業(yè)技術(shù)服務(wù)中心技術(shù)專家要求各地堅持“分類指導(dǎo)、穩(wěn)穗爭粒”的技術(shù)途徑，重點抓好“促弱轉(zhuǎn)壯，及時化除，清溝理墑”等田管措施。
 
　　當(dāng)前，揚州市各地田間“雨水”已至，農(nóng)時不等人，隨著氣溫回升，揚州市小麥從南到北將逐步進(jìn)入返青期，生長速度逐步加快，小麥生產(chǎn)也進(jìn)入了春季田管的關(guān)鍵階段。
 
　　據(jù)介紹，去年揚州市秋播質(zhì)量較好，一播全苗，奠定了壯苗基礎(chǔ)，但由于播期跨度大，晚播比例較大，封閉化除面積小，越冬以來寒潮頻發(fā)，降雨時間分布不均等因素影響，當(dāng)前小麥苗情不平衡性的問題仍較突出，同時還存在“倒春寒”凍害、草害、漬害等隱患。根據(jù)近期苗情調(diào)查表明，全市小麥平均葉齡5.6葉，比上年同期少0.3葉，畝均單株帶蘗1.4個，畝均總莖蘗57.0萬，比上年同期多4.6萬，一、二類苗總面積近215萬畝，占比80.0%，苗情總體好于常年，但略差于上年。全市油菜冬季受凍害嚴(yán)重，移栽油菜平均葉齡19.1葉，直播油菜平均葉齡15.0葉，苗情均差于上年。
 
　　揚州市農(nóng)業(yè)技術(shù)服務(wù)中心技術(shù)人員針對當(dāng)前實際情況提出返青期田管要求：首先，一二類苗等正常田塊不施用返青肥，重點做好促弱苗，控旺苗；其次，要在冷尾暖頭，小麥拔節(jié)前根據(jù)田間草相及時開展化除防草害；最后，要堅持清溝理墑，疏通內(nèi)外溝系，保證排水暢通，預(yù)防漬害。
 
　　“各地要積極組織技術(shù)人員踏田查苗，加強(qiáng)分類指導(dǎo)，切實抓好春季田管各項措施落實，努力夯實夏糧豐收基礎(chǔ)，保障糧食生產(chǎn)穩(wěn)定。”揚州市農(nóng)業(yè)技術(shù)服務(wù)中心書記劉紹貴說。

上一篇： 農(nóng)業(yè)農(nóng)村部印發(fā)通知部署進(jìn)一步做好機(jī)械化播種質(zhì)量提升工作

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