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農(nóng)業(yè)農(nóng)村部農(nóng)業(yè)機(jī)械化管理司關(guān)于印發(fā)《大豆玉米帶狀復(fù)合種植配套機(jī)具應(yīng)用指引》的函
2022-01-14
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導(dǎo)讀:農(nóng)業(yè)機(jī)械化管理司組織農(nóng)業(yè)農(nóng)村部農(nóng)業(yè)機(jī)械化總站和農(nóng)作物生產(chǎn)全程機(jī)械化推進(jìn)專(zhuān)家指導(dǎo)組制定了《大豆玉米帶狀復(fù)合種植配套機(jī)具應(yīng)用指引》。
【農(nóng)機(jī)網(wǎng) 熱點(diǎn)關(guān)注】農(nóng)業(yè)機(jī)械化管理司組織農(nóng)業(yè)農(nóng)村部農(nóng)業(yè)機(jī)械化總站和農(nóng)作物生產(chǎn)全程機(jī)械化推進(jìn)專(zhuān)家指導(dǎo)組制定了《大豆玉米帶狀復(fù)合種植配套機(jī)具應(yīng)用指引》。
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為深入貫徹落實(shí)中央農(nóng)村工作會(huì)議及全國(guó)農(nóng)業(yè)農(nóng)村廳局長(zhǎng)會(huì)議部署要求,全力推進(jìn)大豆玉米帶狀復(fù)合
種植機(jī)化,我司組織農(nóng)業(yè)農(nóng)村部農(nóng)業(yè)機(jī)械化總站和農(nóng)作物生產(chǎn)全程機(jī)械化推進(jìn)專(zhuān)家指導(dǎo)組制定了《大豆玉米帶狀復(fù)合種植配套機(jī)具應(yīng)用指引》,現(xiàn)印發(fā)給你們,供開(kāi)展相關(guān)工作參考。請(qǐng)結(jié)合實(shí)際,因地制宜分區(qū)域、分模式研究細(xì)化大豆玉米帶狀復(fù)合種植機(jī)具配套方案和操作技術(shù)規(guī)范,加強(qiáng)培訓(xùn)指導(dǎo),為提高大豆玉米帶狀復(fù)合種植質(zhì)量效益提供有效機(jī)具裝備支撐保障。
農(nóng)業(yè)農(nóng)村部農(nóng)業(yè)機(jī)械化管理司
2022年1月13日
大豆玉米帶狀復(fù)合種植配套機(jī)具應(yīng)用指引
農(nóng)業(yè)農(nóng)村部農(nóng)業(yè)機(jī)械化管理司
農(nóng)業(yè)農(nóng)村部農(nóng)業(yè)機(jī)械化總站
農(nóng)業(yè)農(nóng)村部農(nóng)作物生產(chǎn)全程機(jī)械化推進(jìn)專(zhuān)家指導(dǎo)組
大豆玉米帶狀復(fù)合種植技術(shù)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(shì),擴(kuò)大低位作物空間,實(shí)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?fàn)幍貑?wèn)題。為做好大豆玉米帶狀復(fù)合
種植機(jī)械化技術(shù)應(yīng)用,提供有效機(jī)具裝備支撐保障,針對(duì)西北、黃淮海、西南和長(zhǎng)江中下游地區(qū)主要技術(shù)模式制定了大豆玉米帶狀復(fù)合種植配套機(jī)具應(yīng)用指引,供各地參考。其他地區(qū)和技術(shù)模式可參照應(yīng)用。
一、機(jī)具配套原則
今年是大面積推廣大豆玉米帶狀復(fù)合種植技術(shù)的第一年,為便于全程機(jī)械化實(shí)施落地,在機(jī)具選配時(shí),應(yīng)充分考慮目前各地實(shí)際農(nóng)業(yè)生產(chǎn)條件和機(jī)械化技術(shù)現(xiàn)狀,優(yōu)先選用現(xiàn)有機(jī)具,通過(guò)適當(dāng)改裝以適應(yīng)復(fù)合種植模式行距和株距要求,提高機(jī)具利用率。有條件的可配置北斗導(dǎo)航輔助駕駛系統(tǒng),減輕機(jī)手勞動(dòng)強(qiáng)度,提高作業(yè)精準(zhǔn)度和銜接行行距均勻性。
播種作業(yè)前,應(yīng)考慮大豆、玉米生育期,確定播種、收獲作業(yè)先后順序,并對(duì)播種作業(yè)路徑詳細(xì)規(guī)劃,妥善解決機(jī)具調(diào)頭轉(zhuǎn)彎問(wèn)題。大面積作業(yè)前,應(yīng)進(jìn)行試播,及時(shí)查驗(yàn)播種作業(yè)質(zhì)量、調(diào)整機(jī)具參數(shù),播種深度和鎮(zhèn)壓強(qiáng)度應(yīng)根據(jù)土壤墑情變化適時(shí)調(diào)整。作業(yè)時(shí),應(yīng)注意適當(dāng)降低作業(yè)速度,提高小穴距條件下播種作業(yè)質(zhì)量。
(一)2+3和2+4模式
該模式玉米帶和大豆帶寬度較窄,大豆玉米分步播種時(shí),應(yīng)注意選擇適宜的配套動(dòng)力輪距,避免后播作物播種時(shí)碾壓已播種苗帶,影響出苗。玉米后播種時(shí),動(dòng)力機(jī)械后驅(qū)動(dòng)輪的外沿間距應(yīng)小于160cm;大豆后播種時(shí),2+3模式動(dòng)力機(jī)械后驅(qū)動(dòng)輪的外沿間距應(yīng)小于180cm,2+4模式后驅(qū)動(dòng)輪的外沿間距應(yīng)小于210cm;驅(qū)動(dòng)輪外沿與已播作物播種帶的距離應(yīng)大于10cm。如大豆玉米可同時(shí)播種,可購(gòu)置1+X+1型(大豆居中,玉米兩側(cè))或2+2+2型(玉米居中,大豆兩側(cè))大豆玉米一體化精量播種機(jī),提高播種精度和作業(yè)效率;一體化播種機(jī)應(yīng)滿足株行距、單位面積施肥量、播種精度、均勻性等方面要求;作業(yè)前,應(yīng)對(duì)玉米、大豆播種量、播種深度和鎮(zhèn)壓強(qiáng)度分別調(diào)整;作業(yè)時(shí),注意保持銜接行行距均勻一致,防止銜接行間距過(guò)寬或過(guò)窄。
(1)黃淮海地區(qū)
目前該地區(qū)玉米播種機(jī)主流機(jī)型為3行和4行,大豆播種機(jī)主流機(jī)型為3到6行,或兼用玉米播種機(jī)。前茬小麥?zhǔn)斋@后,可進(jìn)行滅茬處理,提高播種質(zhì)量,提升出苗整齊度。
玉米播種時(shí),將播種機(jī)改裝為2行,調(diào)整行距接近40cm,通過(guò)改變傳動(dòng)比調(diào)整株距至10—12cm,平均種植密度為4500—5000株/畝,并加大肥箱容量、增設(shè)排肥器和施肥管,增大單位面積施肥量。大豆播種時(shí),優(yōu)先選用3行或4行大豆播種機(jī),或兼用可調(diào)整至窄行距的玉米播種機(jī),通過(guò)調(diào)整株行距來(lái)滿足大豆播種的農(nóng)藝要求,平均種植密度為8000—10000株/畝。
(2)西北地區(qū)
該地區(qū)覆膜打孔播種機(jī)應(yīng)用廣泛,應(yīng)注意適當(dāng)降低作業(yè)速度,防止地膜撕扯。
玉米播種時(shí),可選用2行覆膜打孔播種機(jī),調(diào)整行距接近40cm,通過(guò)改變鴨嘴數(shù)量將株距調(diào)整至10cm左右,平均種植密度為4500—5000株/畝,并增大單位面積施肥量。大豆播種時(shí),優(yōu)先選用3行或4行大豆播種機(jī),或兼用可調(diào)整至窄行距的玉米播種機(jī),可采用一穴多粒的播種方式,平均種植密度為11000—12000株/畝。
(3)西南和長(zhǎng)江中下游地區(qū)
該區(qū)域大豆玉米間套作應(yīng)用面積較大,配套機(jī)具應(yīng)用已經(jīng)過(guò)多年試驗(yàn)驗(yàn)證。
玉米播種時(shí),可選用2行播種機(jī),調(diào)整行距接近40cm,株距調(diào)整至12—15cm,平均種植密度為4000—4500株/畝,并增大單位面積施肥量。大豆播種采用2+3模式時(shí),可在2行玉米播種機(jī)上增加一個(gè)播種單體;采用2+4模式時(shí),可選用4行大豆播種機(jī)完成播種作業(yè);株距調(diào)整至9—10cm,平均種植密度為9000—10000株/畝。
(二)3+4、4+4和4+6模式
(1)黃淮海地區(qū)
玉米播種時(shí),可選用3行或4行播種機(jī),調(diào)整行距至55cm,通過(guò)改變傳動(dòng)比將株距調(diào)整至13—15cm,玉米平均種植密度為4500—5000株/畝。大豆播種時(shí),優(yōu)先選用4行或6行大豆播種機(jī),或兼用可調(diào)整至窄行距的玉米播種機(jī),通過(guò)改變傳動(dòng)比和更換排種盤(pán)調(diào)整穴距至8—10cm,大豆平均種植密度為8000—9000株/畝。
(2)西北地區(qū)
玉米播種時(shí),可選用4行覆膜打孔播種機(jī),調(diào)整行距至55cm,通過(guò)改變鴨嘴數(shù)量將株距調(diào)整至13—15cm,玉米平均種植密度為4500—5000株/畝。大豆播種時(shí),優(yōu)先選用4行或6行大豆播種機(jī),或兼用可調(diào)整至窄行距的玉米播種機(jī),株距調(diào)整至13—15cm,可采用一穴多粒播種方式,大豆平均種植密度為9000—10000株/畝。
三、植保機(jī)具應(yīng)用指引
(一)合理選用藥劑及用量,按照機(jī)械化高效植保技術(shù)操作規(guī)程進(jìn)行防治作業(yè)。
(二)雜草防控難度較大,應(yīng)盡量采用播后苗前化學(xué)封閉除草方式,減輕苗后除草藥害。播后苗前噴施除草劑應(yīng)噴灑均勻,在地表形成藥膜。
(三)苗后噴施除草劑時(shí),可改裝噴桿式噴霧機(jī),設(shè)置雙藥箱和噴頭區(qū)段控制系統(tǒng),實(shí)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(chǔ)上更換防漂移噴頭,提升隔離效果。
(四)噴施病蟲(chóng)害防治藥劑時(shí),可根據(jù)病蟲(chóng)害的發(fā)生情況和區(qū)域,選擇大豆玉米統(tǒng)一噴施或獨(dú)立噴施。
(五)也可購(gòu)置使用“一噴施兩防治”復(fù)合種植專(zhuān)用一體化噴桿噴霧機(jī)。
三、收獲機(jī)具應(yīng)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(shí)期及先后收獲次序,并適期收獲、減少損失。當(dāng)玉米果穗苞葉干枯、籽粒乳線消失且基部黑層出現(xiàn)時(shí),可開(kāi)始玉米收獲作業(yè);當(dāng)大豆葉片脫落、莖桿變黃,豆莢表現(xiàn)出本品種特有的顏色時(shí),可開(kāi)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(jī),并根據(jù)作業(yè)條件調(diào)整各項(xiàng)作業(yè)參數(shù)。玉米收獲機(jī)應(yīng)選擇與玉米帶行數(shù)和行距相匹配的割臺(tái)配置,行距偏差不應(yīng)超過(guò)5㎝,否則將增加落穗損失。用于大豆收獲的聯(lián)合收割機(jī)應(yīng)選擇與大豆帶幅寬相匹配的割臺(tái)割幅,推薦選配割幅匹配的大豆收獲專(zhuān)用撓性割臺(tái),降低收獲損失率。大面積作業(yè)前,應(yīng)進(jìn)行試收,及時(shí)查驗(yàn)收獲作業(yè)質(zhì)量、調(diào)整機(jī)具參數(shù)。
(一)2+3和2+4模式
如大豆玉米成熟期不同,應(yīng)選擇小兩行自走式玉米收獲機(jī)先收玉米,或選擇窄幅履帶式大豆收獲機(jī)先收大豆,待后收作物成熟時(shí),再用當(dāng)?shù)爻R?guī)收獲機(jī)完成后收作物收獲作業(yè);也可購(gòu)置高地隙跨帶玉米收獲機(jī),先收兩帶4行玉米,再收大豆。如大豆玉米同期成熟,可選用當(dāng)?shù)爻S玫?種收獲機(jī)一前一后同步跟隨收獲作業(yè)。
(二)3+4、4+4和4+6模式
目前,常用的玉米收獲機(jī)、谷物聯(lián)合收割機(jī)改裝型大豆收獲機(jī)均可匹配,可根據(jù)不同行數(shù)選擇適宜的收獲機(jī)分步作業(yè)或跟隨同步作業(yè)。
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