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黃河沿岸灌區(qū)鹽堿地水稻簡化高效育秧技術(shù)推廣典型案例

2024-12-05 08:55:12 來源:鄂爾多斯市農(nóng)牧局 閱讀量:17029 評論

  【農(nóng)機(jī)網(wǎng) 科技創(chuàng)新】 一、典型推廣區(qū)基本情況
 
  典型推廣區(qū)昭君鎮(zhèn)沙圪堵村位于鄂爾多斯市達(dá)拉特旗西北部,屬沿黃灌區(qū),土地黏重,鹽堿程度較高。水稻種植是鹽堿地高效利用的有效途徑,目前在該村已發(fā)展為主導(dǎo)產(chǎn)業(yè),常年水稻種植面積2萬畝左右,占到全市水稻種植面積的40%以上。育秧是水稻生產(chǎn)中最重要的環(huán)節(jié),俗語有“秧好一半谷”的說法,2021年以來,依托自治區(qū)優(yōu)質(zhì)水稻綠色高效栽培技術(shù)協(xié)同示范推廣項目,鄂爾多斯市、達(dá)拉特旗兩級農(nóng)技推廣部門抓住沿黃灌區(qū)水稻育秧技術(shù)標(biāo)準(zhǔn)化程度不高,秧苗質(zhì)量差,影響水稻產(chǎn)量的現(xiàn)實問題,著力開展試驗示范和技術(shù)攻關(guān),集成了鹽堿地水稻簡化高效育秧技術(shù),并示范推廣,有力地推動了當(dāng)?shù)厮旧a(chǎn)水平提高,促進(jìn)了產(chǎn)業(yè)興旺發(fā)展。
 
  二、技術(shù)推廣面積
 
  2024年在該村大力推廣鹽堿地水稻簡化高效育秧技術(shù),技術(shù)覆蓋1.4萬畝稻田。
 
  三、主要做法
 
  一是認(rèn)真組織實施自治區(qū)優(yōu)質(zhì)水稻綠色高效栽培技術(shù)協(xié)同示范推廣項目,以問題為導(dǎo)向,精準(zhǔn)開展試驗示范,累計建設(shè)試驗示范區(qū)4片,總面積730余畝,引進(jìn)品種60余個,開展技術(shù)試驗20余項次,在育秧環(huán)節(jié)明確了包衣干籽直播替代浸種催芽播種的可行性,為簡化育秧程序創(chuàng)造了條件,在此基礎(chǔ)上對育秧各重要環(huán)節(jié)進(jìn)行了深入研究,篩選出了高產(chǎn)品種中科發(fā)5號,并明確了適宜播量和適宜秧齡等重要參數(shù),綜合集成了鹽堿地水稻簡化育秧技術(shù),為育秧技術(shù)的革新奠定了科學(xué)基礎(chǔ);二是將技術(shù)推廣與當(dāng)?shù)厮井a(chǎn)業(yè)發(fā)展深度融合,利用當(dāng)?shù)赜唵嗡景l(fā)展契機(jī)以及生產(chǎn)規(guī)?;⒕珳?zhǔn)化、標(biāo)準(zhǔn)化、高效化的優(yōu)勢,推進(jìn)簡化育秧等技術(shù)模式和成果轉(zhuǎn)化落地。2024年當(dāng)?shù)赜唵嗡痉N植面積由上年的1.1萬畝擴(kuò)大到1.4萬畝,全部采用簡化育秧技術(shù),說明該技術(shù)模式已受到主產(chǎn)區(qū)水稻種植戶的廣泛認(rèn)可;三是在項目實施和技術(shù)推廣過程中,與自治區(qū)農(nóng)牧業(yè)技術(shù)推廣中心、興安盟農(nóng)牧科學(xué)研究所、興安盟粳稻研究所、內(nèi)蒙古農(nóng)業(yè)大學(xué)等上級推廣部門和科研院校形成了穩(wěn)定合作關(guān)系,構(gòu)建了上下聯(lián)動的協(xié)作模式,有力地保證了技術(shù)推廣的質(zhì)量,同時也為技術(shù)的持續(xù)優(yōu)化提供了智力保障。
 
  四、技術(shù)關(guān)鍵
 
  該技術(shù)以包衣干籽直播為核心,采用流水線播種,播種量一般為110-120克/盤(包衣種子),播種后各大棚先集中擺盤,然后統(tǒng)一供水,可以確保出苗一致,方便后續(xù)統(tǒng)一管理。對于有返鹽風(fēng)險的大棚,可以在擺盤前預(yù)先在苗床上鋪設(shè)地膜,隔離鹽堿,避免秧苗受害。出苗后水肥、溫度管理與傳統(tǒng)浸種催芽相同,秧齡一般到35-40天可以起秧栽插。與傳統(tǒng)浸種催芽方式相比,該技術(shù)簡化了操作程序,降低了工作難度,可使單個育秧大棚的勞動用工減少2.5個,育秧成功率由70%左右提高到85%左右,單個育秧大棚可節(jié)本增效3400元左右。
 
  五、推廣效果
 
  2024年在推廣區(qū)內(nèi)進(jìn)行了多點測產(chǎn),采用簡化高效育秧技術(shù)并配套鹽堿地高產(chǎn)高效管理的其他技術(shù)之后水稻平均產(chǎn)量可以達(dá)到649.9公斤/畝,較周邊農(nóng)戶常規(guī)種植增產(chǎn)47.8公斤/畝,增產(chǎn)幅度達(dá)到7.94%,效果突出。2023年10月,自治區(qū)水稻高產(chǎn)競賽專家組在技術(shù)推廣示范區(qū)內(nèi)選擇代表性地塊進(jìn)行了實收測產(chǎn),實收面積2.28畝,測得產(chǎn)量720.19公斤/畝(折算為14.5%標(biāo)準(zhǔn)水分),創(chuàng)造內(nèi)蒙古西部沿黃灌區(qū)水稻最高產(chǎn)紀(jì)錄。
 
  來源:鄂爾多斯市農(nóng)牧技術(shù)推廣中心、種植業(yè)科
 
  作者:蘇偉、李娜
 
  審核:徐鑫、劉星
 
  校對:哈布日喜勒
 
  編輯:任必歆
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