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四川中江探索丘陵山區(qū)玉米全程機械化模式

2021-07-12 09:50:20 來源：農(nóng)業(yè)農(nóng)村部農(nóng)業(yè)機械化管理司 閱讀量：19703 評論

導(dǎo)讀：面對丘陵山區(qū)玉米機械化生產(chǎn)難題，四川省中江縣以良地、良種、良法和良機融合為引領(lǐng)，推進科研單位和推廣部門優(yōu)勢互補，多方開展試驗示范，探索形成了適宜丘陵山區(qū)的玉米全程機械化生產(chǎn)模式，目前該模式已累計推廣應(yīng)用5.24萬畝。

　　【農(nóng)機網(wǎng) 科技創(chuàng)新】 面對丘陵山區(qū)玉米機械化生產(chǎn)難題，四川省中江縣以良地、良種、良法和良機融合為引領(lǐng)，推進科研單位和推廣部門優(yōu)勢互補，多方開展試驗示范，探索形成了適宜丘陵山區(qū)的玉米全程機械化生產(chǎn)模式，目前該模式已累計推廣應(yīng)用5.24萬畝。
 
　　探索新模式增產(chǎn)又節(jié)本
 
　　中江縣農(nóng)業(yè)農(nóng)村局聯(lián)合四川農(nóng)業(yè)大學(xué)、省農(nóng)科院等科研單位，從選種、種植模式、機具配套改進等方面入手，連續(xù)幾年開展適宜丘陵山區(qū)玉米全程機械化關(guān)鍵技術(shù)研究及集成示范。在播種環(huán)節(jié)經(jīng)歷了普通播種機、精量播種機、水肥一體化精量播種機、旋耕播種機的更迭；在收獲環(huán)節(jié)嘗試了不同品牌、多種樣式的機型，最終確定性價比高的收割機+玉米專用割臺的組合，初步探索形成了玉米全程機械化生產(chǎn)模式。經(jīng)專家現(xiàn)場測產(chǎn)，示范片玉米多年平均畝產(chǎn)599.1公斤，與傳統(tǒng)生產(chǎn)方式相比，畝增產(chǎn)88.8 kg，增幅13.5%，畝增產(chǎn)值239.8元；每畝節(jié)約勞動力 5人，節(jié)約成本300元，累計節(jié)本增收539.8元，社會經(jīng)濟效益顯著，受到廣大種植戶的歡迎。
 
　　全面創(chuàng)新優(yōu)化有成效
 
　　與當?shù)貍鹘y(tǒng)生產(chǎn)模式相比，中江縣從地、種、農(nóng)藝和機具等多方面創(chuàng)新優(yōu)化，集成了較好成效的全程機械化模式。一是以地適機，開展丘陵山區(qū)宜機化改造，全縣完成25萬畝改造面積。二是以種適機，明確了密植高產(chǎn)宜機收品種特性，建立了評價標準，鑒選出正紅505等7個適機玉米品種。三是以藝適機，統(tǒng)一行距配置，優(yōu)化生產(chǎn)模式，改傳統(tǒng)無序多熟種植為凈作宜機種植模式。四是優(yōu)化機具配置，針對丘陵山區(qū)地塊小等特點，以3行玉米播種機搭配3行玉米收獲機，并以3行為基本單元優(yōu)化其他機具配置。
 
　　科研推廣協(xié)同是關(guān)鍵
 
　　探索新模式離不開科研和推廣部門的緊密融合和協(xié)同配合，一方面高?？蒲袉挝灰劳醒芯空n題建立示范片，發(fā)揮其技術(shù)和信息優(yōu)勢；另一方面縣級農(nóng)機推廣部門深入基層開展新農(nóng)機技術(shù)試驗、示范和推廣，發(fā)揮經(jīng)驗、地利優(yōu)勢，二者目標一致，形成合力，踐行“產(chǎn)-學(xué)-研”一條龍技術(shù)服務(wù)。中江縣玉米全程機械化模式探索為丘陵山區(qū)機械化發(fā)展積累了寶貴經(jīng)驗：一是集成配套是方向，只有良種、良法、良地、良機、良制相互配套，形成統(tǒng)一體，推進各個環(huán)節(jié)機械化，才能合力化解丘陵山區(qū)玉米生產(chǎn)制約因素；二是協(xié)同推廣是手段，只有科研、推廣兩個體系緊密結(jié)合，才能推動全程機械化技術(shù)集成創(chuàng)新、普及應(yīng)用；三是試驗驗證是前提，新技術(shù)、新裝備、新成果只有在農(nóng)機化生產(chǎn)第一線進行試驗驗證、改進熟化，才能證明先進性、適用性和安全性，從而被農(nóng)民認可和接受。

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