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內(nèi)蒙古自治區(qū)大豆玉米帶狀復合種植配套機具應用指引

2022-02-25 13:08:48 來源:內(nèi)蒙古自治區(qū)農(nóng)牧廳 閱讀量:18923 評論

導讀:大豆玉米帶狀復合種植技術采用大豆帶與玉米帶間作套種,充分利用高位作物玉米邊行優(yōu)勢,擴大低位作物空間,實現(xiàn)作物協(xié)同共生、一季雙收、年際間交替輪作,可有效解決玉米、大豆爭地問題。

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  相關盟市農(nóng)牧局,廳機關有關處室局,自治區(qū)農(nóng)牧業(yè)技術推廣中心:
 
  為貫徹落實中央農(nóng)村工作會議、全國農(nóng)業(yè)農(nóng)村廳局長會議和自治區(qū)黨委農(nóng)村牧區(qū)工作會議精神,全力推進大豆玉米帶狀復合種植機化,根據(jù)《農(nóng)業(yè)農(nóng)村部農(nóng)業(yè)機械化管理司關于印發(fā)<大豆玉米帶狀復合種植配套機具應用指引>的函》(農(nóng)機科〔2022〕4號)精神,我廳組織制定了《內(nèi)蒙古自治區(qū)大豆玉米帶狀復合種植配套機具應用指引》,現(xiàn)印發(fā)給你們。請結合實際,因地制宜制定大豆玉米帶狀復合種植機具配套方案,加強培訓指導,為大豆玉米帶狀復合種植提供機具裝備支撐。
 
  內(nèi)蒙古自治區(qū)農(nóng)牧廳
 
  2022年2月18日
 
內(nèi)蒙古自治區(qū)大豆玉米帶狀復合種植配套機具應用指引
 
  大豆玉米帶狀復合種植技術采用大豆帶與玉米帶間作套種,充分利用高位作物玉米邊行優(yōu)勢,擴大低位作物空間,實現(xiàn)作物協(xié)同共生、一季雙收、年際間交替輪作,可有效解決玉米、大豆爭地問題。為做好大豆玉米帶狀復合種植機械化技術應用,提供有效機具裝備支撐保障,針對自治區(qū)重點推廣技術模式制定了大豆玉米帶狀復合種植配套機具應用指引,供各盟市參考。其他大豆玉米帶狀復合種植技術模式可參照應用。
 
  一、機具配套原則
 
  今年是大面積推廣大豆玉米帶狀復合種植技術的第一年,為便于全程機械化實施落地,在機具選配時,應充分考慮目前各地實際農(nóng)業(yè)生產(chǎn)條件和機械化技術現(xiàn)狀,優(yōu)先選用現(xiàn)有機具,通過適當改裝以適應大豆玉米帶狀復合種植模式行距、株距和施肥量要求,提高機具利用率。有條件的可配置北斗導航輔助駕駛系統(tǒng),減輕機手勞動強度,提高作業(yè)精準度和銜接行行距均勻性、準確性。
 
  二、播種機具應用指引
 
  播種作業(yè)前,應考慮大豆、玉米生育期,確定播種、收獲作業(yè)先后順序,按照農(nóng)藝要求,詳細規(guī)劃播種作業(yè)路徑,妥善解決機具調(diào)頭轉彎問題。作業(yè)前,應進行試播,及時查驗播種作業(yè)質(zhì)量、調(diào)整機具作業(yè)參數(shù),播種深度和鎮(zhèn)壓強度應根據(jù)土壤墑情變化適時調(diào)整。作業(yè)時,應注意適當降低作業(yè)速度,提高小株距條件下的播種作業(yè)質(zhì)量。
 
  (一)2:2、4:2、6:2模式(大豆玉米帶狀復合種植模式簡稱,下同)
 
  該模式大豆帶和玉米帶寬度較窄,大豆玉米分步播種時,應注意選擇適宜的配套動力輪距,避免后播作物播種時碾壓已播種苗帶,影響出苗,后播種動力機械驅(qū)動輪外沿與已播作物播種帶的距離應大于10cm。如大豆玉米可同時播種,可購置1:X:1型(大豆居中,玉米兩側)或X:2:X型(玉米居中,大豆兩側)大豆玉米一體化精量播種機,提高播種精度和作業(yè)效率;一體化播種機應滿足行距、株距、單位面積施肥量、播種深度、均勻性等方面要求;作業(yè)前,應對大豆、玉米播種量、播種深度和鎮(zhèn)壓強度分別調(diào)整;作業(yè)時,注意保持銜接行行距均勻一致,防止銜接行間距過寬或過窄。
 
  1.直播播種
 
  玉米直播時可選用2行玉米播種機,調(diào)整行距接近40cm,通過改變傳動比調(diào)整株距至10.5cm-13cm,2:2模式玉米平均密度為4600-5700株/畝,4:2模式玉米平均密度為4100-5000株/畝,6:2模式玉米平均密度為3300-4000株/畝,并加大肥箱容量、增設排肥器和施肥管,增大單位面積施肥量。大豆播種時優(yōu)先選用2分、4行或6行大豆播種機,或兼用可調(diào)整至窄行距的玉米播種機,通過調(diào)整株距、行距及排種部件來滿足大豆播種的農(nóng)藝要求。大豆行與玉米行的間距 60cm-70cm。2行大豆行距為40cm,株距為7cm-10cm,或穴距16cm-18cm,每穴2-3粒,大豆平均密度10000株/畝左右。4行大豆等行距種植情況下行距30cm,株距為7cm-10cm,或穴距16cm-18cm,每穴2-3粒,4行大豆寬窄行種植情況下窄行距20cm-30cm,寬行距30cm-40cm,大豆平均密度為11000株/畝左右。6行大豆行距為30cm,株距為7cm-10cm,大豆平均密度為13000株/畝左右。選用大豆玉米一體化精量播種機完成播種作業(yè)時應滿足上述玉米和大豆的平均種植密度。
 
  2.覆膜播種
 
  覆膜播種機應注意適當降低作業(yè)速度,防止地膜撕扯。 玉米播種時,可選用2行覆膜玉米播種機,調(diào)整行距接近40cm,通過改變鴨嘴數(shù)量將穴距調(diào)整至10.5cm-13cm左右,2:2模式玉米平均密度為4600-5700株/畝,4:2模式玉米平均密度為4100-5000株/畝,6:2模式玉米平均密度為3300-4000株/畝,并增大單位面積施肥量。大豆播種時優(yōu)先選用2步、4行或6行大豆播種機,或兼用可調(diào)整至窄行距的玉米播種機,通過調(diào)整株距、行距及排種部件來滿足大豆播種的農(nóng)藝要求。大豆行與玉米行的間距 60cm-70cm。大豆穴距調(diào)整至16cm-18cm,可采用一穴多粒的播種方式,每穴2-3粒。2行大豆行距為40cm,大豆平均密度10000株/畝左右。4行大豆等行距種植情況下行距30cm,4行大豆寬窄行種植情況下窄行距20cm-30cm,寬行距30cm-40cm,大豆平均密度為11000株/畝左右。6行大豆行距為30cm,大豆平均密度為13000株/畝左右。選用大豆玉米一體化精量播種機完成播種作業(yè)時應滿足上述玉米和大豆的平均種植密度。
 
  (二)4:4、6:4模式
 
  1.直播播種
 
  玉米直播時可選用4行玉米播種機,調(diào)整窄行距至40cm,寬行距至80cm,通過改變傳動比,調(diào)整株距為12cm-14cm,4:4模式玉米平均密度為5000-6000株/畝,6:4模式玉米平均密度為4400-5100株/畝。大豆播種時優(yōu)先選用4行或6行大豆播種機,或兼用可調(diào)整至窄行距的玉米播種機,通過調(diào)整株距、行距及排種部件來滿足大豆播種的農(nóng)藝要求。大豆行與玉米行的間距 60cm-70cm。4行大豆等行距種植情況下行距30cm,株距為7cm-10cm,或穴距16cm-18cm,每穴2-3粒;4行大豆寬窄行種植情況下窄行距20cm-30cm,寬行距30cm-40cm,大豆平均密度為11000株/畝左右。6行大豆行距為30cm,株距為7cm-10cm,大豆平均密度為13000株/畝左右。
 
  2.覆膜播種
 
  玉米覆膜播種時,可選用4行覆膜播種機,調(diào)整行距至40cm,通過改變鴨嘴數(shù)量將株距調(diào)整至10.5cm-13cm左右,4:4模式玉米平均密度為5000-6000株/畝,6:4模式玉米平均密度為4400-5100株/畝。大豆播種時,優(yōu)先選用4行或6行大豆播種機,或兼用可調(diào)整至窄行距的玉米播種機,通過調(diào)整株距、行距及排種部件來滿足大豆播種的農(nóng)藝要求,穴距調(diào)整至16cm-18cm,可采用一穴多粒播種方式,每穴2-3粒。4行大豆等行距種植情況下行距30cm;4行大豆寬窄行種植情況下窄行距20cm-30cm,寬行距30cm-40cm,大豆平均密度為11000株/畝左右。6行大豆行距為30cm,大豆平均密度為13000株/畝左右。
 
  三、植保機具應用指引
 
  (一)合理選用藥劑及用量,按照機械化高效植保技術操作規(guī)程進行防治作業(yè)。
 
  (二)雜草防控難度較大,應盡量采用播后苗前化學封閉除草,減輕苗后化學除草藥害。播后苗前噴施除草劑應噴灑均勻,在地表形成藥膜。
 
  (三)苗后噴施除草劑時,可改裝噴桿式噴霧機,設置雙藥箱和噴頭區(qū)段控制系統(tǒng),實現(xiàn)不同藥液的分條帶噴施,并在大豆帶和玉米帶間加裝隔離板,防止藥劑帶間漂移,也可在此基礎上更換防漂移噴頭,提升隔離效果。
 
  (四)噴施病蟲害防治藥劑時,可根據(jù)病蟲害的發(fā)生情況和區(qū)域進行噴施。
 
  (五)也可購置使用“一噴施兩防治”復合種植專用一體化噴桿噴霧機。
 
  四、收獲機具應用指引
 
  根據(jù)作物品種、成熟度、籽粒含水率及氣候等條件,確定兩種作物收獲時期及先后收獲次序,并適期收獲、減少損失。當玉米完熟期苞葉干枯、籽粒乳線消失、含水率30%以下時,可開始玉米收獲作業(yè);當大豆葉片完全脫落,莖、莢、粒呈原品種色澤,豆粒歸圓,含水率15%左右時,可開始大豆收獲作業(yè)。
 
  根據(jù)地塊大小、種植行距、作業(yè)要求選擇適宜的收獲機,并根據(jù)作業(yè)條件調(diào)整各項作業(yè)參數(shù)。玉米收獲機應選擇與玉米帶行數(shù)和行距相匹配的割臺配置,行距偏差不應超過5cm。用于大豆收獲的聯(lián)合收割機應選擇與大豆帶幅寬相匹配的割臺配置,推薦選配割幅匹配的大豆收獲專用撓性割臺,降低收獲損失率。大面積作業(yè)前,應進行試收,及時查驗收獲作業(yè)質(zhì)量、調(diào)整機具作業(yè)參數(shù)。
 
  (一)2:2、4:2、6:2模式
 
  如大豆玉米成熟期不同,應選擇兩行自走式玉米收獲機先收玉米,或選擇窄幅履帶式大豆收獲機先收大豆,待后收作物成熟時,再用當?shù)爻R?guī)收獲機完成后收作物收獲作業(yè)。如大豆玉米同期成熟,可選用當?shù)爻S玫?種收獲機一前一后同步跟隨收獲作業(yè)。
 
  (二)4:4、6:4模式
 
  目前,常用的玉米收獲機、谷物聯(lián)合收割機改裝型大豆收獲機均可匹配,可根據(jù)不同行數(shù)選擇適宜的收獲機行行作業(yè)或跟隨同步作業(yè)。
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