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轮作休耕:让土地更肥沃 农民更富有

2018-01-31 15:26:20 来源:中国农机网 阅读量:39039 评论

导读:我国人多地少,土地资源紧缺,以有限的耕地养活十几亿的人口也让我们的耕地付出了极大的代价,耕地数量减少、地力严重透支、水土流失,地下水超采、土壤污染加重等问题已成为制约农业可持续发展的突出矛盾。实行轮作休耕制度,有利于耕地休养生息和农业可持续发展。

  【中国农机网 本站原创】 近日,新修订的《省级政府耕地保护责任目标考核办法》(以下简称《办法》)已于1月3日印发实施,这反映了我国耕地保护进入了新时代。
 
  农业是国民经济的基础,而耕地则是农业的基础,是我国宝贵的土地资源,也是农民收入来源的基础。土地年年种,年年施肥撒药,土地也会受到伤害,需要休息,为此农业部等十部门在2016年联合发布《探索实行耕地轮作休耕制度试点方案》,提出重点在东北冷凉区、北方农牧交错区等地开展轮作试点,重点在地下水漏斗区、重金属污染区和生态严重退化地区开展休耕试点。
 
  我国人多地少,土地资源紧缺,以有限的耕地养活十几亿的人口也让我们的耕地付出了极大的代价,耕地数量减少、地力严重透支、水土流失,地下水超采、土壤污染加重等问题已成为制约农业可持续发展的突出矛盾。实行轮作休耕制度,有利于耕地休养生息和农业可持续发展。
 

 
  各地对轮作休耕制度的探索与实践
 
  昆山市:昆山市是江苏省轮作休耕先行先试地区,早在2015年就制定冬春生态休耕方案,提出“5年全市耕地轮作休耕一遍”,当年休耕面积3513.8亩,2016年休耕2.03万亩。监测结果显示:2015年小麦当季减少化肥用量79.74吨,2016年小麦当季减少化肥用量461.8吨,病虫害降低10%-15%;通过轮作换茬,改种油菜,促进了观光农业的发展,去年举办的“千灯油菜花节”每天吸引游客数千人;由于轮作换茬和冬季晒垡,水稻播栽较往年提前一周左右结束。去年该市将轮作休耕试点面积扩大到4万亩,是省级下达指标的2.66倍。
 
  长春市:2017年年初,按照《吉林省2017年耕地轮作制度试点工作方案》,长春市在榆树市、农安县启动试点,分别落实轮作面积10万亩。2017年年初以来,为保证耕地轮作试点工作顺利开展,长春市农委精心指导,协调推进项目实施。全市探索了“一主三辅”的轮作种植模式,即以玉米改种大豆为主,推广米豆轮作种植模式,同时兼顾玉米与马铃薯轮作、玉米与杂粮杂豆轮作、玉米与花生或向日葵等油料作物轮作。
 
  文山州:2017年,文山州砚山、广南县被农业部列为耕地轮作休耕制度试点县,实施休耕3万亩,其中:砚山县2万亩,广南县1万亩,每亩补助资金500元,投入中央财政资金1500万元。文山州稳步推进耕地休耕试点工作,重点在项目县石漠化重点治理区,选择25度以下相对集中连片坡耕地和瘠薄地两季作物种植区,非退耕还林还草和重点水源保护区开展休耕试点。2017年,全州完成耕地休耕试点面积3万亩。
 
  农业部部长韩长赋在2017年全国农业工作会议上表示,明年将进一步扩大轮作休耕制度试点规模至2400万亩,初步形成技术模式、耕作制度、核实制度、补贴制度。作为农业供给侧结构性改革的一项重要举措,2016年我国开始开展耕地轮作休耕制度试点,并在2017年将试点面积增加至1200万亩。
 
  为此,除了继续扩大轮作休耕制度试点规模以外,后期农业部还将大力实施耕地质量保护与提升行动,加大东北黑土地保护,积极推动黑土地保护立法,探索建立保护奖补政策,选择一批重点县开展整建制试点,每个县实施面积50万亩以上。以黑土区为重点,集成推广深松深耕技术,力争明年深松深耕整地面积达到1.5亿亩以上。
 
  本文由中国农机网(www.nongjx.com)编辑整理
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