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【實(shí)用技術(shù)】?jī)?nèi)蒙古2024年度農(nóng)業(yè)主推技術(shù)——大豆大壟密植淺埋滴灌栽培技術(shù)

2024-03-29 10:39:13 來(lái)源:內(nèi)蒙古自治區(qū)農(nóng)牧廳 閱讀量:12952 評(píng)論

  【農(nóng)機(jī)網(wǎng) 科技創(chuàng)新】 一、技術(shù)概述
 
  (一)技術(shù)基本情況
 
  針對(duì)東北大豆產(chǎn)區(qū)春播期干旱,坐水種困難,播后出苗不齊不全,關(guān)鍵生育時(shí)期遇旱灌溉難,嚴(yán)重影響大豆單產(chǎn)的問(wèn)題,研究集成的提高水肥利用效率的栽培技術(shù)模式。該技術(shù)通過(guò)滴灌,實(shí)現(xiàn)了適時(shí)播種,播期可較傳統(tǒng)種植模式提早2-3天,播種覆土可比傳統(tǒng)壟作覆土淺,出苗提前2-3天,實(shí)現(xiàn)了苗全、苗齊、苗勻,一次播種抓全苗;通過(guò)增加壟體寬度實(shí)現(xiàn)合理密植,可較傳統(tǒng)種植模式畝保苗提高2000-3000株;通過(guò)水肥一體化,可畝均節(jié)水40%,同時(shí)降低灌溉勞動(dòng)強(qiáng)度,省工、省力,是一項(xiàng)綠色高產(chǎn)高效的大豆栽培技術(shù)。
 
  大豆大壟密植淺埋滴灌栽培技術(shù)標(biāo)準(zhǔn)屬新技術(shù)類,研發(fā)單位為內(nèi)蒙古自治區(qū)農(nóng)牧業(yè)技術(shù)推廣中心和興安盟扎賚特旗農(nóng)牧和科技事業(yè)發(fā)展中心,2021年發(fā)布,標(biāo)準(zhǔn)編號(hào)為DB15/T 2441—2021;發(fā)布日期:2021-11-15;獲獎(jiǎng)名稱:2022年獲得中國(guó)農(nóng)業(yè)農(nóng)村重大科技新成果——十項(xiàng)新技術(shù)之一;證書編號(hào)為2022-XJS-09。
 
  (二)技術(shù)示范推廣情況
 
  大豆大壟密植淺埋滴灌栽培技術(shù)最早是借鑒通遼市玉米無(wú)膜淺埋滴灌水肥一體化技術(shù),于2016年在興安盟扎賚特旗率先開展小面積試驗(yàn)。2017年,在興安盟扎賚特旗好力保鎮(zhèn)五道河子村繼續(xù)開展試驗(yàn)示范,面積1000畝,當(dāng)年試驗(yàn)田平均畝產(chǎn)超過(guò)200公斤,取得初步成功。2018年,結(jié)合上年試驗(yàn)示范情況,通過(guò)改良播種機(jī)具,進(jìn)一步優(yōu)化大豆植株的田間分布,示范面積擴(kuò)大到3000畝,平均畝產(chǎn)達(dá)到250公斤以上,得到當(dāng)?shù)胤N植戶普遍認(rèn)可,技術(shù)模式創(chuàng)新集成取得成功。2019年,該技術(shù)開始在扎賚特旗正式推廣,當(dāng)年推廣面積就達(dá)到3萬(wàn)畝,平均產(chǎn)量在250公斤以上。2020—2023年,推廣面積逐年擴(kuò)大,分別為5.1萬(wàn)畝、7.3萬(wàn)畝、11.8萬(wàn)畝、16.6萬(wàn)畝,推廣區(qū)域從興安盟擴(kuò)大到區(qū)內(nèi)的通遼市、赤峰市和烏蘭察布市和相鄰的黑龍江省、吉林省和遼寧省,平均畝產(chǎn)均在260公斤以上。
 
  該技術(shù)已成為內(nèi)蒙古大豆持續(xù)刷新高產(chǎn)紀(jì)錄的“科技密碼”。2018年至今,自治區(qū)農(nóng)技推廣部門邀請(qǐng)國(guó)家大豆方面相關(guān)專家,分別在扎賚特旗好力保鎮(zhèn)五道河子村、音德爾鎮(zhèn)烏鴉站村及音德爾鎮(zhèn)五家子村對(duì)大豆大壟密植淺埋滴灌栽培技術(shù)示范田進(jìn)行實(shí)收測(cè)產(chǎn)。
 
  2018年實(shí)收面積1.18畝,實(shí)測(cè)產(chǎn)量291.1kg/畝,刷新了內(nèi)蒙古自治區(qū)2005年創(chuàng)造的大豆畝產(chǎn)251.0公斤的高產(chǎn)紀(jì)錄,也打破了2011年農(nóng)戶徐萬(wàn)軍7畝大豆畝產(chǎn)285公斤的紀(jì)錄;2019年實(shí)收面積1.017畝,實(shí)測(cè)產(chǎn)量309.3kg/畝;2020年實(shí)收面積1.32畝,實(shí)測(cè)產(chǎn)量310.51kg/畝,連續(xù)刷新內(nèi)蒙古和東北北部地區(qū)大豆單產(chǎn)紀(jì)錄。2023年,對(duì)興安盟扎賚特旗好力保鎮(zhèn)五家子村150畝大豆百畝示范區(qū)進(jìn)行實(shí)收測(cè)產(chǎn),畝產(chǎn)達(dá)到316.8公斤,再次刷新內(nèi)蒙古和東北北部地區(qū)大豆單產(chǎn)紀(jì)錄。
 
  (三)提質(zhì)增效情況
 
  該技術(shù)可有效提高單產(chǎn),與傳統(tǒng)旱作種植模式相比,畝均增產(chǎn)60%以上。通過(guò)水肥一體化,可畝均節(jié)水40%,同時(shí)降低農(nóng)民灌溉的勞動(dòng)強(qiáng)度,省工、省力。在大豆主產(chǎn)區(qū)應(yīng)用推廣,對(duì)穩(wěn)定主產(chǎn)區(qū)大豆面積,顯著提高大豆單產(chǎn)水平,大幅提升種植效益,促進(jìn)大豆與高產(chǎn)作物玉米的種植結(jié)構(gòu)調(diào)整和優(yōu)化具有重要意義。
 
  (四)技術(shù)獲獎(jiǎng)情況
 
  該技術(shù)是大豆大壟高臺(tái)栽培技術(shù)在水澆地上的創(chuàng)新應(yīng)用,“大豆大壟高臺(tái)綠色高產(chǎn)高效栽培技術(shù)推廣”項(xiàng)目,獲2017~2019年度內(nèi)蒙古農(nóng)牧業(yè)豐收一等獎(jiǎng);《大豆大壟密植淺埋滴灌栽培技術(shù)規(guī)程》,DB15/T 2441-2021,于2021年11月發(fā)布,2021年12月實(shí)施。
 
  二、技術(shù)要點(diǎn)
 
  大豆大壟密植淺埋滴灌栽培技術(shù)是將大豆傳統(tǒng)模式的65cm壟種改為120cm的床播,將原來(lái)的壟上雙行改為壟上4行,采用寬窄行種植模式,小行距20cm,大行距30cm,株距13cm,在寬行中間鋪設(shè)滴灌管,畝保苗由1.4萬(wàn)株提高到1.9萬(wàn)株,使大豆植株分布更加均勻合理,提高光能利用率,水肥利用效率,實(shí)現(xiàn)節(jié)肥節(jié)水、增產(chǎn)增效、綠色生產(chǎn)。
 
  (一)選地。選擇地勢(shì)平坦、土層深厚、保水保肥能力強(qiáng)、具有滴灌條件、不重茬和迎茬的適宜茬口地塊。
 
  (二)整地。深松或深翻30?cm以上,打破犁底層,適時(shí)耙地。
 
  (三)選用優(yōu)良的高蛋白、高油專用品種。種子純度和凈度均達(dá)到98%以上,發(fā)芽率達(dá)到90%以上。
 
  (四)測(cè)土配方施肥。N:P:K=1:1.5:1配方施肥,每畝用55%大豆專用肥(BB肥)15-17.5公斤。
 
  (五)機(jī)械播種。當(dāng)耕層土壤溫度穩(wěn)定通過(guò)8℃時(shí)即可播種,選用大豆大壟密植淺埋滴灌專用精量播種機(jī)一次性完成播種、施肥、鋪設(shè)滴灌帶、鎮(zhèn)壓等作業(yè)。播種量4?kg/667m2~5?kg/667m2。鎮(zhèn)壓后播種深度3 cm。
 
  (六)滴灌管網(wǎng)連接及滴灌。播種后,將毛管、支管、主管和首部連通。當(dāng)播種后土壤墑情不足時(shí)及時(shí)滴出苗水,滴水量20~30?m3/667m2,保證大豆正常出苗。
 
  (七)田間管理。適時(shí)鏟趟、施肥。根據(jù)土壤墑情,在大豆開花期和結(jié)莢期,及時(shí)灌水2~3次,每次灌水量為20?~30 m3/667m2。建議應(yīng)用化學(xué)除草技術(shù)、病蟲害綠色防控技術(shù)。
 
  (八)適時(shí)收獲。人工收獲,當(dāng)植株落葉即可收割;機(jī)械收獲,籽粒歸倉(cāng),可在適期內(nèi)搶收早收。
 
  三、適宜區(qū)域
 
  適宜內(nèi)蒙古東部具有灌溉條件的大豆種植區(qū)或其他相同生態(tài)類型的地區(qū)。
 
  四、注意事項(xiàng)
 
  (一)滴灌管帶上面必須蓋土,防止春季大風(fēng)刮走滴灌管。
 
  (二)播種覆土要淺,鎮(zhèn)壓后厚度3厘米左右。
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