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從《復仇者聯(lián)盟3》的“宇宙平衡”理論看我國農業(yè)可持續(xù)發(fā)展之路

2018-05-14 09:07:30 來源:中國農機網原創(chuàng) 作者:林言 閱讀量:48538 評論

  【中國農機網 編輯視角】自上周五以來熱門的電影無疑就是漫威超級英雄系列《復仇者聯(lián)盟3:無限戰(zhàn)爭》了,這個漫威布局十年傾心打造的“一役”在國內僅上映兩天票房便破了十億,在觀眾們沉浸于眾多超級英雄犧牲的悲傷中時,也有不少人被影片中的大boss——滅霸圈了粉,滅霸費盡努力集齊6顆寶石要達到宇宙平衡的行為,被眾多網友戲稱為“這是為了宇宙的可持續(xù)發(fā)展”,雖然這只是個電影,但筆者認為,片中“可持續(xù)發(fā)展”的理論是無可厚非的,尤其放在我國農業(yè)發(fā)展上,我國農業(yè)的可持續(xù)發(fā)展是老生常談的話題。
 
  影片中反派滅霸認為宇宙資源是有限的,膨脹發(fā)展的宇宙人口已經嚴重影響了宇宙平衡,所以在他集齊6顆寶石成為宇宙強者之后,輕松打了個響指便有一半的宇宙人口灰飛煙滅了。作為反派人物,雖然他的做法是反人類的,但影片中宇宙資源被過度利用的非科學發(fā)展方式卻是值得我們思考的。我國作為農業(yè)大國和人口大國,用世界7%的土地養(yǎng)活了世界20%的人口,要實現(xiàn)農業(yè)健康穩(wěn)定發(fā)展,就必須走可持續(xù)發(fā)展之路。當然,滅霸“消滅一半人口”的理論只是電影設定罷了,那么現(xiàn)實中,要實現(xiàn)農業(yè)的可持續(xù)發(fā)展應該怎么布局呢?
 
  何為農業(yè)可持續(xù)發(fā)展?
 
  聯(lián)合國糧農組織對農業(yè)可持續(xù)發(fā)展的定義為:“管理和保護自然資源基礎,并調整技術和機構改革方向,以確保獲得足夠的農產品來持續(xù)滿足當代和后代人的需要。”這種持續(xù)發(fā)展(包括農業(yè)、林業(yè)和漁業(yè))能夠保持土地、水資源和動植物基因資源,而且不會造成環(huán)境退化,同時要在技術上適宜、經濟上可行、并且能夠被社會接受。
 
  國家農業(yè)部2015年發(fā)布的《全國農業(yè)可持續(xù)發(fā)展規(guī)劃(2015-2030年)》中提出,要優(yōu)化發(fā)展布局,穩(wěn)定提升農業(yè)產能,到2020年農業(yè)科技進步貢獻率達到60%以上,主要農作物耕種收綜合機械化水平達到68%以上;保護耕地資源,促進農田永續(xù)利用;節(jié)約用水,保障農業(yè)用水安全;修復農業(yè)生態(tài),提升生態(tài)功能。相對于歐美農業(yè)發(fā)達國家,我國農業(yè)技術相對落后,同時基于人口眾多、耕地面積相對較少的現(xiàn)實,應該走出一條適合國情的可持續(xù)發(fā)展道路。
 
  科技是超級英雄的武器,也是興農強農的手段
 
  無論是鋼鐵俠的鋼鐵戰(zhàn)衣還是瓦坎達全民的技術裝備,亦或是穿梭于全宇宙的星際飛船,超級英雄上戰(zhàn)場維護宇宙和平都離不開高科技。要實現(xiàn)農業(yè)的可持續(xù)發(fā)展,科學技術才是生產力,要堅持用科技創(chuàng)新農業(yè)發(fā)展進步。目前我國農業(yè)在可持續(xù)發(fā)展方面突出問題表現(xiàn)在,化肥過度使用帶來的土壤板結以及農業(yè)灌溉用水缺乏等一系列問題。
 
  近年來,隨著農業(yè)現(xiàn)代化的快速發(fā)展,新型肥料代替化肥、實現(xiàn)“土肥和諧”已逐步走上正軌。在未來,加大新型肥料研發(fā)力度,重點研發(fā)緩釋肥料、生物肥料是提高化肥利用率、實現(xiàn)綠色興農的重要舉措;同時,農業(yè)灌溉方面,逐步舍棄大水漫灌,大力發(fā)展節(jié)水灌溉技術、推廣水肥一體化,提高農業(yè)用水利用率,也是農業(yè)可持續(xù)發(fā)展的重要舉措。
 
  農業(yè)全程機械化是“絕殺武器”
 
  現(xiàn)代農業(yè)離不開機器,農業(yè)可持續(xù)發(fā)展離不開全程機械化,提高農業(yè)全程機械化水平是農業(yè)規(guī)?;?、集約化、可持續(xù)化發(fā)展的重要途徑。
 
  農業(yè)機械化對農業(yè)可持續(xù)發(fā)展的作用主要體現(xiàn)在合理利用農牧業(yè)資源、保護農田草牧場生態(tài)環(huán)境、保障農畜產品安全生產、增強農田草地綜合生產能力等方面。比如,采用深耕深松技術,可以增加土壤水分含量,保障及時播種,做到不違農時;采用機械植保技術,可以有效解決農藥用量大、環(huán)境污染嚴重和農畜產品安全問題;采用機械化秸稈還田技術,不僅可以解決焚燒秸稈帶來的環(huán)境污染問題,而且能夠增加土壤有機質含量、培肥地力,有利于作物生長和增加產量;采用噴灌滴管等機械化技術,可以減少水資源浪費,提高水資源利用率,達到合理利用水資源的目的;采用機械殘膜回收技術,可以有效減少地膜在土壤中的殘留,保障農作物正常生長;因此,農業(yè)機械化的不斷發(fā)展與進步,為農業(yè)可持續(xù)發(fā)展奠定了良好基礎。
 
 
  本文由中國農機網(dwjfsy.com)原創(chuàng),轉載請注明出處。
 
  部分資料來源:學術雜志網,若有侵權或異議請聯(lián)系我們。
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