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三秋：保護(hù)性耕作技術(shù)解救秸稈的“尷尬”處境

2017-09-14 14:21:17 來源：中國(guó)農(nóng)機(jī)網(wǎng) 閱讀量：51962 評(píng)論

　　【中國(guó)農(nóng)機(jī)網(wǎng) 本站原創(chuàng)】每年的收獲季都會(huì)產(chǎn)生大量的農(nóng)作物秸稈，這些秸稈放在地里會(huì)影響下一季的作物生長(zhǎng)，燒了又污染環(huán)境，各地明令禁止焚燒秸稈，秸稈的地位因此變得很尷尬。如何處理這些秸稈也成了全國(guó)各地都在積極探索的問題。
 
　　伊通縣“秸稈歸行摟耙”完善保護(hù)性耕作技術(shù)
 
　　玉米保護(hù)性耕作技術(shù)如今已得到越來越多新型職業(yè)農(nóng)民的認(rèn)可，正如：伊通縣一位農(nóng)機(jī)推廣站正工程師王立濤通過多年的鉆研和摸索，在2014年發(fā)明的《一種秸稈還田裝置》的基礎(chǔ)上成功研制出 “秸稈歸行摟耙”，由20—55馬力拖拉機(jī)懸掛牽引作業(yè)，一次完成種苗帶秸稈清理，然后進(jìn)行免耕播種作業(yè)，實(shí)現(xiàn)秸稈全部還田，也讓保護(hù)性耕作技術(shù)更完善，且成本低，見效快，極易被農(nóng)民接受。
 
　　保護(hù)性耕作技術(shù)讓青島秸稈綜合利用率達(dá)90%
 
　　2017年，青島秸稈綜合利用率達(dá)到了90%，百萬噸的秸稈覆蓋土地，使農(nóng)田變成了“面包田”，這便是保護(hù)性耕作技術(shù)。據(jù)悉，青島市從2006年開始推廣實(shí)施保護(hù)性耕作技術(shù)，并在全國(guó)探索成功，形成了一年兩作技術(shù)模式，其技術(shù)水平在黃淮海地區(qū)處于地位。
 
　　目前，青島實(shí)施保護(hù)性耕作總面積已達(dá)到150多萬畝，有效地減少了秸稈焚燒，促進(jìn)了秸稈的綜合利用。
 
　　吉林五年保護(hù)性耕作技術(shù)讓秸稈變廢為寶
 
　　干旱缺墑、黑土流失、秸稈焚燒、大氣污染、地力下降、土壤板結(jié)這些困擾吉林省農(nóng)業(yè)生產(chǎn)發(fā)展和糧食產(chǎn)量穩(wěn)步增長(zhǎng)多年的瓶頸，制約了吉林農(nóng)業(yè)的可持續(xù)發(fā)展和現(xiàn)代農(nóng)業(yè)建設(shè)以及農(nóng)民增收致富，已成為吉林農(nóng)業(yè)發(fā)展的突出障礙。對(duì)此，吉林省農(nóng)機(jī)系統(tǒng)經(jīng)過十余年的積極探索，現(xiàn)已找到一套破解之法——以玉米秸稈還田覆蓋免耕播種為核心的保護(hù)性耕作技術(shù)。
 
　　什么意思呢？就是從秸稈還田覆蓋免耕、保水、保土入手，通過秸稈覆蓋還田免耕，實(shí)現(xiàn)種植玉米的同時(shí)培肥地力、疏松土壤、蓄水保墑、消除秸稈焚燒和可持續(xù)生態(tài)綠色農(nóng)業(yè)發(fā)展。這是一條艱難的創(chuàng)新之路，吉林通過從農(nóng)機(jī)大戶、農(nóng)機(jī)合作社入手，開始推廣這項(xiàng)技術(shù)，并采取一系列行之有效的措施來鞏固保護(hù)性耕作技術(shù)的實(shí)施。經(jīng)過五年的砥礪前行，這一技術(shù)收獲了可喜的成果。使過去不得不燒掉的秸稈，現(xiàn)在“華麗轉(zhuǎn)身”變成了還田覆蓋地表、培肥地力的“寶貝”，成了農(nóng)民難得的有機(jī)肥料，保護(hù)性耕作技術(shù)也受到農(nóng)民的歡迎。
 
　　從以上三地的秸稈處理經(jīng)驗(yàn)來看，保護(hù)性耕作技術(shù)深受農(nóng)民青睞，眼下三秋大戰(zhàn)即將打響，保護(hù)性耕作技術(shù)將秸稈變廢為寶，大大緩解了秸稈的尷尬處境。

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