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从《复仇者联盟3》的“宇宙平衡”理论看我国农业可持续发展之路

2018-05-14 09:07:30 来源:中国农机网原创 作者:林言 阅读量:48279 评论

导读:自上周五以来热门的电影无疑就是漫威超级英雄系列《复仇者联盟3:无限战争》了,这个漫威布局十年倾心打造的“一役”在国内仅上映两天票房便破了十亿,在观众们沉浸于众多超级英雄牺牲的悲伤中时,也有不少人被影片中的大boss——灭霸圈了粉,灭霸费尽努力集齐6颗宝石要达到宇宙平衡的行为,被众多网友戏称为“这是为了宇宙的可持续发展”,虽然这只是个电影,但笔者认为,片中“可持续发展”的理论是无可厚非的,

  【中国农机网 编辑视角】自上周五以来热门的电影无疑就是漫威超级英雄系列《复仇者联盟3:无限战争》了,这个漫威布局十年倾心打造的“一役”在国内仅上映两天票房便破了十亿,在观众们沉浸于众多超级英雄牺牲的悲伤中时,也有不少人被影片中的大boss——灭霸圈了粉,灭霸费尽努力集齐6颗宝石要达到宇宙平衡的行为,被众多网友戏称为“这是为了宇宙的可持续发展”,虽然这只是个电影,但笔者认为,片中“可持续发展”的理论是无可厚非的,尤其放在我国农业发展上,我国农业的可持续发展是老生常谈的话题。
 
  影片中反派灭霸认为宇宙资源是有限的,膨胀发展的宇宙人口已经严重影响了宇宙平衡,所以在他集齐6颗宝石成为宇宙强者之后,轻松打了个响指便有一半的宇宙人口灰飞烟灭了。作为反派人物,虽然他的做法是反人类的,但影片中宇宙资源被过度利用的非科学发展方式却是值得我们思考的。我国作为农业大国和人口大国,用世界7%的土地养活了世界20%的人口,要实现农业健康稳定发展,就必须走可持续发展之路。当然,灭霸“消灭一半人口”的理论只是电影设定罢了,那么现实中,要实现农业的可持续发展应该怎么布局呢?
 
  何为农业可持续发展?
 
  联合国粮农组织对农业可持续发展的定义为:“管理和保护自然资源基础,并调整技术和机构改革方向,以确保获得足够的农产品来持续满足当代和后代人的需要。”这种持续发展(包括农业、林业和渔业)能够保持土地、水资源和动植物基因资源,而且不会造成环境退化,同时要在技术上适宜、经济上可行、并且能够被社会接受。
 
  国家农业部2015年发布的《全国农业可持续发展规划(2015-2030年)》中提出,要优化发展布局,稳定提升农业产能,到2020年农业科技进步贡献率达到60%以上,主要农作物耕种收综合机械化水平达到68%以上;保护耕地资源,促进农田永续利用;节约用水,保障农业用水安全;修复农业生态,提升生态功能。相对于欧美农业发达国家,我国农业技术相对落后,同时基于人口众多、耕地面积相对较少的现实,应该走出一条适合国情的可持续发展道路。
 
  科技是超级英雄的武器,也是兴农强农的手段
 
  无论是钢铁侠的钢铁战衣还是瓦坎达全民的技术装备,亦或是穿梭于全宇宙的星际飞船,超级英雄上战场维护宇宙和平都离不开高科技。要实现农业的可持续发展,科学技术才是生产力,要坚持用科技创新农业发展进步。目前我国农业在可持续发展方面突出问题表现在,化肥过度使用带来的土壤板结以及农业灌溉用水缺乏等一系列问题。
 
  近年来,随着农业现代化的快速发展,新型肥料代替化肥、实现“土肥和谐”已逐步走上正轨。在未来,加大新型肥料研发力度,重点研发缓释肥料、生物肥料是提高化肥利用率、实现绿色兴农的重要举措;同时,农业灌溉方面,逐步舍弃大水漫灌,大力发展节水灌溉技术、推广水肥一体化,提高农业用水利用率,也是农业可持续发展的重要举措。
 
  农业全程机械化是“绝杀武器”
 
  现代农业离不开机器,农业可持续发展离不开全程机械化,提高农业全程机械化水平是农业规模化、集约化、可持续化发展的重要途径。
 
  农业机械化对农业可持续发展的作用主要体现在合理利用农牧业资源、保护农田草牧场生态环境、保障农畜产品安全生产、增强农田草地综合生产能力等方面。比如,采用深耕深松技术,可以增加土壤水分含量,保障及时播种,做到不违农时;采用机械植保技术,可以有效解决农药用量大、环境污染严重和农畜产品安全问题;采用机械化秸秆还田技术,不仅可以解决焚烧秸秆带来的环境污染问题,而且能够增加土壤有机质含量、培肥地力,有利于作物生长和增加产量;采用喷灌滴管等机械化技术,可以减少水资源浪费,提高水资源利用率,达到合理利用水资源的目的;采用机械残膜回收技术,可以有效减少地膜在土壤中的残留,保障农作物正常生长;因此,农业机械化的不断发展与进步,为农业可持续发展奠定了良好基础。
 
 
  本文由中国农机网(www.nongjx.com)原创,转载请注明出处。
 
  部分资料来源:学术杂志网,若有侵权或异议请联系我们。
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