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商丘市:DB4114/T 209-2023《大豆-玉米带状复合种植全程机械化技术规程》

2023-12-28 15:23:35 来源:农机网整理发布 阅读量:30026 评论

导读:规定了大豆-玉米带状复合种植全程机械化生产技术中有关术语和定义、种植模式、播种、田间管理、收获、秸秆处理等要求。适用商丘市区域大豆-玉米带状复合种植全程机械化生产。

  【农机网 政策与标准】2023年8月25日,商丘市市场监督管理局批准发布DB4114/T 209-2023《大豆-玉米带状复合种植全程机械化技术规程》,该地方标准自2023年9月25日起实施。
 
  该标准由商丘市农业农村局提出并归口,由柘城县农业机械发展中心、柘城县农业农村局、商丘市梁园区农业机械化学校起草。规定了大豆-玉米带状复合种植全程机械化生产技术中有关术语和定义、种植模式、播种、田间管理、收获、秸秆处理等要求。适用商丘市区域大豆-玉米带状复合种植全程机械化生产。
 
  收获——
 
  收获期
 
  大豆:大豆叶片脱落 80%以上,植株变成黄褐色,茎和荚成黄色,摇动有响声,即可收获。
 
  玉米:玉米植株中、下部叶片变黄,基部叶片干枯,果穗变黄,苞叶干枯呈黄白色而松散,籽粒变硬乳线消失、基部(胚下端)出现黑帽层,即可收获。
 
  机具选择——
 
  大豆收获机:优先选用专用大豆收获机,也可选用谷物联合收割机换装挠性割台的改装机。机型应根据大豆带宽和相邻两玉米带之间的带宽选择,轮式和履带式均可,做到不漏收大豆、不碾压或夹带玉米植株。
 
  玉米收获机:优先选用专用玉米收获机,也可选用谷物联合收割机换装玉米割台的改装机。机型应根据玉米带的行数、行距和相邻两大豆带之间的宽度选择,轮式和履带式均可,应做到不碾压或损伤大豆植株。
 
  收获方式——
 
  先收大豆后收玉米:作业时,先选用适宜幅宽的大豆收获机收获大豆,再选用玉米收获机收获玉米。
 
  先收玉米后收大豆:作业时,先选用与玉米带行数对应的玉米收获机收获玉米,再选用幅宽与大豆带宽相匹配的大豆收获机收获大豆。
 
  大豆玉米分步同时收获:作业时,根据大豆幅宽和玉米行数选用匹配机型,分别选用大豆收获机和玉米收获机前后布局,依次轮流收获大豆和玉米。
 
  作业规范——
 
  作业时,先收地头作物,以便于机具转弯调头,实现往复转行收获,然后再分别选用相匹配的大豆收获机和玉米收获机依次作业。
 
  根据种植模式、收获机匹配程度确定合理的作业速度。先收大豆时,大豆收获作业速度应低于传统净作,一般控制在 3 km/h~6 km/h,发动机转速应保持在额定转速,后期玉米收获时,按正常作业速度;先收玉米时,玉米收获作业速度应低于传统净作,一般控制在 3 km/h~5 km/h,发动机转速应保持在额定转速,后期大豆收获时,按正常作业速度。
 
  收获大豆时,尽量放低割台,将割茬控制在4 cm~8 cm,避免漏收低节位豆荚。作业时,将大豆带保持在割台中间位置,直线行驶,避免漏收或碾压、夹带玉米植株。作业过程中,随时停车观察粮仓中大豆清洁度和尾筛排出秸秆夹带损失率,发现异常立即调整;收获玉米时,严格对行收获,保证收获机轮胎(履带)要在大豆带和玉米带空隙中间位置,避免碾压两侧大豆。玉米先收时,确保玉米秸秆不抛洒在大豆带。
 
  正式作业前,进行试收,检查作业质量,调整机具参数。大豆收获机作业质量符合NY/T 738的规定,玉米收获机作业质量符合GB/T 21962的规定。
 
  秸秆处理:使用秸秆还田机对收获后的秸秆进行粉碎还田处理,作业质量符合 NY/T 500 的规定。
 
  建立生产档案:大豆-玉米带状复合种植的种植模式、播种、田间管理、收获、秸秆处理等农事活动,生产档案保存期2年以上。
 
  点击下方下载完整标准文本。
 
  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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