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七大举措保护“耕地中的大熊猫”,吉林省出台黑土地保护工程方案

2021-11-03 13:59:55 来源:农机网整理发布 阅读量:31703 评论

导读:2021年,建设高标准农田300万亩以上(含标准化示范-黑土地保护建设项目120万亩),治理侵蚀沟229条,实施保护性耕作等秸秆还田2000万亩和“有机肥 深翻还田”500万亩。

  【农机网 热点关注】 为进一步加强典型黑土区耕地保护,持续提高粮食稳产增产能力,吉林省人民政府办公厅印发了《吉林省黑土地保护工程实施方案(2021-2025年)》(以下简称《实施方案》)。
 
  《实施方案》明确了工作目标,在典型黑土区22个重点县(市、区)划定黑土区耕地保护区,总面积不低于2500万亩,连续5年采取工程、农艺、生物等综合措施进行保护。
 
  2021年,建设高标准农田300万亩以上(含标准化示范-黑土地保护建设项目120万亩),治理侵蚀沟229条,实施保护性耕作等秸秆还田2000万亩和“有机肥+深翻还田”500万亩。
 
  到2025年,累计新建高标准农田1240万亩以上(含标准化示范-黑土地保护建设项目面积600万亩),治理侵蚀沟1120条,实施保护性耕作等秸秆还田1亿亩次和“有机肥+深翻还田”2500万亩,实现耕地质量明显提升,土壤有机质含量平均增加1g/kg,旱田、水田耕作层分别平均达到30厘米和20厘米以上,耕地“变薄、变瘦、变硬”退化趋势得到有效遏制,水土流失防治取得初步成效,黑土地保护利用长效机制基本形成。
 
  方案实施内容包括:
 
  (一)突出抓好秸秆还田。在适宜区域全面推广保护性耕作“梨树模式”,对保护性耕作农机具优先补贴,支持具备条件的县(市、区)整县推进,积极建设高标准示范应用基地。因地制宜推广应用秸秆深翻还田,优化耕作制度,适宜地区改春整地为秋整地,在旱地采取秋季收获后实施秸秆机械粉碎翻压或碎混还田,水田采取秋季收获时直接秸秆粉碎翻埋还田。
 
  (二)稳步实施有机肥施用。探索有机肥(农家肥)施用补贴政策机制,重点实施“有机肥+深翻还田”为主的综合技术模式,将有机肥田间贮存和堆沤用地按设施农业用地管理。鼓励新型农业经营主体发展种养循环农业,开展畜禽粪便、作物秸秆等堆沤腐熟和就地就近施用。探索有机肥与微生物肥料配合施用,提高土壤肥力。
 
  (三)大力开展高标准农田建设。突出“田、土、水、路、林、电、技、管”综合配套,重点实施农田土地平整、田间机耕路、灌排渠道、岸坡防护、沟道治理、农田电网等综合设施建设。加快高标准农田示范区建设,打造一批高产稳产、绿色生态、适宜全程机械化作业、集中连片的高标准农田示范样板。
 
  (四)持续强化农田水土保持。开展侵蚀沟综合治理,采取修建谷坊、沟头防护、截水沟、沟道滩岸防护、支毛沟治理及相关林草措施,遏制侵蚀沟道发展。开展坡耕地综合治理,重点推行“二改一修”建设,对坡度6度以下漫川漫岗耕地推行保土耕作和等高改垄,种植地埂生物篱带;对坡度6度以上坡地区域,修筑等高U型沟,种植灌木防冲带;对沟毁耕地实施“一修”,修筑渗井、秸秆填埋沟道、上层覆土,恢复垦殖。
 
  (五)积极抓好农田环境治理。全面实施测土配方施肥,每年采集测试土壤样本,到2025年,重点县(市、区)项目区实现测土配方施肥技术全覆盖,化肥利用率稳定在40%以上。大力推进专业化统防统治和绿色防控,推广生物防治、物理防治、健康栽培等绿色防控技术及高效低风险农药,到2025年,农药利用率稳定在40%以上。开展盐碱地改良示范,在西部地区选择3个县(市、区)建设盐碱化土壤改良治理示范区,综合应用物理、化学、生物等改良措施,探索治理修复综合技术模式,改善土壤理化性状,降低耕层含盐量和碱化度,连续实施5年,到2025年底建成示范面积6万亩。
 
  (六)加快完善农田防护林建设。在不违规占用现有耕地前提下,深入实施中西部农田防护林网修复完善工程。对防护功能低下的退化防护林带进行修复改造,逐步提高质量,增强防护效能。对生理成过熟林带进行采伐更新,建设新一代防护林,调整优化防护林网结构,形成完备的农田防护林体系。2021年完成退化林带修复改造1.9万亩、成过熟林带采伐更新1.2万亩,到2025年累计完成退化林带修复改造8万亩、成过熟林带采伐更新5万亩。
 
  (七)着力加强耕地质量监测。加快构建成熟、完善的耕地质量监测评价体系。建立健全耕地质量长期定位监测点和调查点,依托科研教学单位,分类型建立黑土地保护利用长期监测研究站。探索利用地理信息系统、空间定位技术和遥感技术等现代化手段,构建多源数据监测体系,针对耕地质量稳定性指标、易变性指标,科学分析耕地质量变化趋势。探索建立黑土地保护工程实施效果第三方评价机制,对项目区开展执行期和任务完成时的数量和质量评价,监测工程实施效果。
 
  本文由农机网(www.nongjx.com)整理发布,资料来源:吉林省政府网。
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