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大庆:高位部署 多措并举 推动秸秆综合利用 破解秸秆禁烧难题

2024-03-06 09:15:46 来源:黑龙江省农业农村厅 阅读量:6103 评论

导读:自2020年黑土地保护性耕作免耕播种政策实施以来,大庆按照省级安排部署,立足地处全省保护性耕作制度推广核心区域实际,配备力量、组建专班,对农户开展政策宣传引导,扎实推广以玉米秸秆覆盖免耕为主的保护性耕作制度,免耕播种实施面积实现逐年递增,且连续4年位居全省前列。

  【农机网 地方农机】 全省秸秆综合利用工作启动以来,大庆坚持高位推动,切实将秸秆综合利用工作摆在突出位置研究部署,深入统筹谋划,健全工作机制,严格督导检查,推动了全市秸秆综合利用工作有序开展。
 
  一、全力全面推广玉米免耕播种模式,推动秸秆还田
 
  大庆地处科尔沁沙地末端,土壤类型以黑钙土、盐碱土和风沙土为主,不适合秋季秸秆翻埋和碎混模式,适宜采取以春季免耕播种为主的保护性耕作模式。自2020年黑土地保护性耕作免耕播种政策实施以来,大庆按照省级安排部署,立足地处全省保护性耕作制度推广核心区域实际,配备力量、组建专班,对农户开展政策宣传引导,扎实推广以玉米秸秆覆盖免耕为主的保护性耕作制度,免耕播种实施面积实现逐年递增,且连续4年位居全省前列。2023年,全市保护性耕作免耕播种实施面积达到742万亩,占全市玉米种植面积的98.2%,超额完成省下达任务面积的34%,免耕播种作业监测合格面积624.8万亩,其中:一档面积288.7万亩,二档面积305.4万亩,三档面积13.4万亩。从数据来看,2023年免耕播种作业第二档面积同比增长了30%,说明广大农户已经认可了部分秸秆离田与免耕播种结合的作业模式,达到“三赢”效果。一赢是田间秸秆密度有所下降,打消了农民认为的全量秸秆覆盖可造成免耕播种出苗率低、除草效果差等顾虑,进而将秸秆一烧了之;二赢是保证了秸秆还田面积和还田量,广大作业机主又能享受到免耕播种作业政策补贴资金;三赢是秸秆综合利用企业也得到了离田秸秆。应用免耕播种技术最大限度地减轻了秸秆禁烧的压力,为秸秆综合利用提供了最有效、最可行的出口。
 
  二、精心精细推广玉米免耕播种技术,消除焚烧隐患
 
  大庆大部分地区春播时节风沙较大,且土壤多为风沙土,免耕播种技术能够防风固土、蓄水保墒,通过免耕作业,能够解决高留茬风险地块的火点隐患。我们对玉米高留茬风险地块,已形成两套成熟的技术模式:一是合作社、农户准备采取普通的免耕播种作业的,可以在播种作业期通过免耕播种机前置灭茬机或扫茬器对高留茬进行处理,进而解决高留茬问题,不影响播种质量;二是合作社、农户准备采取这几年大力推广的“4090”条带少耕高产栽培模式的,播前使用免耕播种机前置秆集行器归集留茬秸秆,形成40cm行距的播种带、90cm行距的秸秆覆盖还田带,在播种带上用免耕播种机精量播种,隔年交替种植的模式,实现秸秆全量还田、保墒抗旱、蓄水防涝、节本增产。通过这两种免耕播种方式,都可以解决高留茬问题,既实现秸秆还田、培肥地力,同时消除风险地块焚烧隐患。通过持续政策宣传引导、技术模式推广、示范地块引带,全市农户已基本形成了“秸秆是宝,坚决不烧”的思想认识,实施免耕播种的高留茬地块,焚烧秸秆风险已基本消除。
 
  下一步,大庆将按照省级安排部署,持续做好秸秆综合利用和禁烧工作,利用好积雪消融“窗口期”,组织秸秆收储运主体和广大农户加快推进秸秆离田进度,对打完包未离地的,抓紧清运出地,对尚未打包的秸秆,组织好打包清运的有效衔接,切实做到“应离尽离”。同时,通过春季免耕播种将待还田面积全部完成,并对实施保护性耕作地块严加管护看护,把责任落实到户到人,确保秸秆覆盖率,提高免耕作业等级,确保全市秸秆综合利用水平不断提升,确保禁烧管控工作真正见到实效。
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