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标准解读:《DB52/T 1246.4-2017贵州水稻机插秧全程机械化 第4部分 插秧》

2022-05-12 10:16:08 来源:农机网整理发布 阅读量:32813 评论

导读:《DB52/T 1246.4-2017贵州水稻机插秧全程机械化 第4部分 插秧》适用于水源条件较好、地势较平坦的稻区水稻机插秧作业。规定了水稻插秧机械化栽培技术的术语和定义、作业条件、作业要求。

  【农机网 政策与标准】时下,正值水稻育秧的关键时节,贵州省各个地区的田间地头随处可见稻农忙碌的身影,为了培养出优质健壮的秧苗,当地大力推广水稻生产全程机械化作业,不断提高秧苗质量和育秧效率。近年来,贵州省相继实施了多项水稻机 插秧全程机械化相关技术的地方标准。
 
  其中,《DB52/T 1246.4-2017贵州水稻机插秧全程机械化 第4部分 插秧》由贵州省农业委员会提出并归口,由贵州省山地农业机械研究所、贵州省农业技术推广总站、贵州省农业机械推广总站起草,于2017年12月8日由贵州省市场监督管理局批准发布,于2018年5月8日正式实施。
 

 

  本标准适用于水源条件较好、地势较平坦的稻区水稻机插秧作业。规定了水稻插秧机械化栽培技术的术语和定义、作业条件、作业要求。
 
  秧苗:机插秧苗使用规格化育秧的中、小苗毯状秧苗。秧龄 18 d~30 d,叶龄 3~4.5 叶,苗高 12 cm~25 cm,单株发根数 8 条以上,成苗数 1~3 株/cm2。叶色绿、叶片挺拔、有弹性、苗基扁宽,苗根盘结。叶龄叶色整齐一致,无病虫害,杂草。秧苗均匀度 80%以上。毯状秧块带土厚度 20 mm~22 mm,土层均匀,不含石块,树根等杂物。机插时秧苗土层含水率适度,以拇指按秧块背面能稍微按进去为宜。
 
  机具准备:机具技术状态应良好,并按使用说明书的规定进行调整和保养。检查紧固件无松动、无损坏、连接牢固。检查和调整各传动件、送秧、取秧部件工作可靠、无卡滞现象。检查发动机燃油、机油和各转动、摩擦部位的润滑油。秧箱无损坏、无变形、无锈蚀、箱体表面平滑、清洁。取秧量调节装置具有符合当地栽植密度要求的调节范围,调节灵活、可靠。插秧深度调节装置具有机插秧苗栽植深度要求的调节范围,调节灵活、可靠。将机具变速杆置于空档位置,启动发动机,观察各部件运转是否正常。
 
  机插秧技术要求:
 
  机插到大田的秧苗应稳、直、不漂浮、不下沉。
 
  深度 1 cm~3 cm。
 
  漏插率≤5%。
 
  伤苗率≤5%。
 
  漂秧率≤3%。
 
  作业要求:插秧机进入田间后,应将行走状态调整为作业状态。按照秧箱尺寸的要求装入相应尺寸的毯状秧苗。
 
  试插调整——
 
  每穴株数调整:每穴株数取决于秧爪每次切取的取秧面积上的苗数,取秧面积等于插秧机的纵向取秧量与横向移动距离的乘积。横向移动距离由秧爪宽度决定。纵向取秧量由秧爪进入秧门的深度决定,带土苗插秧机具有曲柄摇杆式插秧机构,调节摇杆顶端的位置即可改变秧爪进入秧门的深度,从而改变每穴株数。
 
  插秧深度调整:根据农艺要求,及时调整插秧深度。
 
  作业质量测定:按当地农艺要求调整插秧机,在试插田块试插完后,采用对角线取样法随机选取五个测区。测区距田边大于一个工作幅宽。在五个测区内,测定每穴株数、伤秧、漂秧、漏插、均匀度合格率。每个测区在全幅宽内,测定漏查率、伤秧率、漂秧率、相对均匀度合格率时,每个测区各测200穴。
 
  详细内容可点击下方下载以上标准完整文件。
 
  注:本文由农机网(www.nongjx.com)整理发布,资料来源:全国地方标准信息平台。
 
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