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湖北省DB42/T 1639-2021《饲用油菜机械化生产技术规程》部分解读

2023-03-30 11:51:43 来源:农机网整理发布 阅读量:40671 评论

导读:规定了饲用油菜机械化生产技术中的术语与定义、农艺要求、一般要求、耕整地、播种、田间管理、收获等技术要求。适用于湖北省饲用油菜生产适宜区。

  【农机网 政策与标准】该地方标准于2021年1月8日由湖北省市场监督管理局批准发布,自2021年3月8日起实施。由华中农业大学提出,湖北省农业农村厅归口管理,华中农业大学、襄阳市农业科学院、湖北鹏乐农业发展有限公司起草。

  规定了饲用油菜机械化生产技术中的术语与定义、农艺要求、一般要求、耕整地、播种、田间管理、收获等技术要求。适用于湖北省饲用油菜生产适宜区。
 
  【耕整地】
 
  作业工艺与机具选择:
 
  对于需一次性完成种床准备的耕整地作业,宜采用集成灭茬、翻耕、碎土、开畦沟等功能的机具或进一步集成播种、施肥等功能的机具进行作业。
 
  对表面残茬高度大于 180 mm 的田块,应进行灭茬处理。
 
  对需要疏松土壤、翻埋地表残茬与杂草以及预施肥料的田块,应先采用铧式犁圆盘犁进行翻耕。
 
  应采用旋耕机或耙进行碎土作业;对一次作业土壤碎土率未达到播种要求的田块,应进行多次碎土作业或采用碎土效果更好的机具进行作业。
 
  应采用旋转开沟机或牵引铧式犁开沟;对采用免耕直播方式种植的田块,应在播种后的稻茬地上直接开沟,并要求抛掷的土壤均匀地分布在厢面上。
 
  机具要求:
 
  耕整地采用的灭茬机应符合 GB/T 24675.5 的规定。
 
  耕整地采用的铧式犁应符合 GB/T 14225 的规定。
 
  耕整地采用的圆盘犁应符合 JB/T 10287 的规定。
 
  耕整地采用的旋耕机应符合 GB/T 5668 的规定。
 
  耕整地采用的开沟机应符合 NY/T 740 的规定。
 
  作业质量要求——
 
  作业深度:作业深度合格率≥80%(若当地农艺要求作业深度为H,则>H为合格)。
 
  平整度:耕后地表平整度标准差≤7%、耕后沟底平整度标准差≤7%。
 
  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。
 
相关资料下载:

DB42T1639-2021FDIS.pdf

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