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伊犁哈萨克自治州《DB6540/T 003-2022玉米全程机械化生产技术规程》

2022-10-21 09:19:43 来源:农机网整理发布 阅读量:30231 评论

导读:该标准规定了玉米全程机械化生产中从整地、播种、田间管理、收获、秸秆处理及籽粒烘干等环节应用机械完成玉米生产的过程。适用于伊犁州直玉米机械化生产区。

  【农机网 政策与标准】玉米是我国重要农业作物之一,玉米生产全程机械化是实现增产的主要措施。玉米全程机械化包括深松、灭茬、旋耕、耙地、施基肥、播种、田间管理、收割等作业,是玉米在整个生产过程中全部实施机械化作业,节省人力资源的栽培模式。
 
  《DB6540/T 003-2022玉米全程机械化生产技术规程》这一地方标准由新疆伊犁哈萨克自治州农业农村局提出,本标准由伊犁哈萨克自治州农业农村局归口,由伊犁哈萨克自治州农业科学研究所起草。于2022年3月14日伊犁哈萨克自治州市场监督管理局批准发布,该地方标准自2022年4月14日起实施。

  该标准规定了玉米全程机械化生产中从整地、播种、田间管理、收获、秸秆处理及籽粒烘干等环节应用机械完成玉米生产的过程。适用于伊犁州直玉米机械化生产区。
 
  机械播种——
 
  播种时间:玉米播种时间应掌握在气温稳定在 12 ℃以上,5 cm ~10 cm 耕层的地温≥10℃,田间持水量70%左右时,适时播种,不宜早播,谨防倒春寒的发生,一般在 4 月 15 日后最好。
 
  播种方式:滴灌下播种机采用 60 cm×40 cm 行距播种,直播播种机宜采用 50 cm×50 cm 行距播种,选用机械式精量播种机或气力式精量播种机进行播种施肥作业。作业质量应符合 NY/T 503 的规定。
 
  播种密度:根据品种特性、土壤条件、栽培水平等因素确定种植密度,密度一般为 6 500 株/667 m2~ 8 000 株/667 m2。
 
  机械化收获——
 
  收获时间:籽粒乳线消失后 10 d~15 d 是籽粒机械收获的最佳收获期,要求玉米籽粒含水率不大于 25%。收获前调查田间长势,机械粒收田块应穗位高度整齐一致、植株倒伏率﹤5 %、果穗下垂率﹤15 %、穗位高> 35 cm,总损失率< 4.0 %,籽粒破碎率< 5.0 %,籽粒含杂率< 2.5 %。
 
  作业质量:采用玉米籽粒收获机进行粒收,收获作业质量应符合GB/T 21962的规定。
 
  秸秆处理:采用玉米秸秆打包机进行秸秆打包,剩下的秸秆采用根茬粉碎还田机将玉米根茬进行粉碎还田,作业质量应符合NY/T 500的规定。秸秆还田后,可按还田秸秆量的0.5 %~1 %增施氮肥,也可增施适量秸秆腐熟剂促进秸秆腐烂。
 
  机械烘干:采用籽粒收获的玉米应及时采用玉米烘干机械进行降水处理,使籽粒含水量降至14%以内,方可入仓贮藏。烘干技术要求和烘干产品质量应符合GB/T 21017的规定,烘干机械的操作应按照GB/T28668的规定。
 
  
 
  可点击下方下载完整标准文件。
 
  注:本文由农机网(www.nongjx.com)整理发布,资料来源:地方标准信息公共服务平台。
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