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如何实现现代农业可持续发展?

2018-02-11 12:29:31 来源:中国农机网 阅读量:36763 评论

导读:我国是一个人多地少的国家,如何用有限的耕地养活一个十几亿人口的国家,关键在于实现现代农业可持续发展,那么如何实现现代农业可持续发展,我国上下几千年的农业文明给出了答案。

  【中国农机网 本站原创】 我国是一个人多地少的国家,如何用有限的耕地养活一个十几亿人口的国家,关键在于实现现代农业可持续发展,那么如何实现现代农业可持续发展,我国上下几千年的农业文明给出了答案。
 
  轮作休耕:轮作休耕制度是切实保护耕地、推进农业结构调整的重大举措,做到藏粮于地藏粮于技。2016年,农业部等十个部门联合发布《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、生态严重退化地区开展休耕试点。实行轮作休耕制度,有利于耕地修养生息和农业可持续发展。《方案》强调,对休耕地采取保护性措施,禁止弃耕、严禁废耕,不能减少或破坏耕地,不能改变耕地性质、不能削弱农业综合生产能力,确保急用之时能够复耕,粮食能产得出、供得上。
 
  深松整地:“农机深松整地”近年来一直是《政府工作报告》的重要关注点。据记者了解,截至2017年12月底,全国累计投入深松作业机具22.6万台(套),共完成农机深松整地1.76亿亩,有效改善了耕地质量,提高了农业综合生产能力。为何农机深松整地备受关注?“小麦分蘖期的土壤持水量应在60%至80%,水分不足时根系不能下扎。深松整地就在于能打破犁底层,建起‘土壤水库’。”山东省茌平县农技站农艺师侯金星指着当地的试验田说,大马力农机深松整地作业,可以打破坚硬的犁底层,增加耕作层厚度,提高土壤通透性,从而增强土壤蓄水保墒和抗旱防涝能力。这也是农业实现可持续发展的重要保障。
 
  秸秆还田:据了解,从今年开始到2020年,黑龙江省将全面应用“一翻两免”轮耕轮作技术模式,推广和示范不同区域秸秆还田模式下玉米、水稻、大豆三大作物整地和播种(插秧)环节农机化技术标准,提高黑龙江省主要农作物生产标准化水平,为黑龙江省主要农作物秸秆“取之于农田,用之于农田”提供科学实用的农机化技术解决方案,改善耕地质量,保护生态环境,推进黑龙江省现代农业可持续发展。
 
  “十分珍惜,合理利用土地和切实保护耕地”是我国的基本国策,我国虽然用有限的耕地养活了十几亿的人口,但也付出了极大的代价,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经成为制约农业可持续发展的突出矛盾,为了实现农业可持续发展,确保我国十几亿人口的口粮,多种方式保护耕地的任务已是刻不容缓,对耕地保护的重视应时刻记在心间。
 
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