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江西省DB36/T 1798-2023《水稻机械化穴直播生产技术规程》解读

2023-08-22 11:37:51 来源:农机网整理发布 阅读量:30978 评论

导读:规定了水稻机械化穴直播生产技术的术语和定义、品种选择、稻田耕整、种子处理、机具选择与调试、播种作业要求、鸟鼠害与杂草防治、施肥管理、水分管理、病虫害防治和收获等内容。

  【农机网 政策与标准】2023年7月1日,江西省市场监督管理局批准发布DB36/T 1798-2023《水稻机械化穴直播生产技术规程》,该地方标准将于2024年1月1日开始实施。

  该标准由江西省农业农村厅提出并归口,由江西农业大学、江西省农业技术推广中心起草,规定了水稻机械化穴直播生产技术的术语和定义、品种选择、稻田耕整、种子处理、机具选择与调试、播种作业要求、鸟鼠害与杂草防治、施肥管理、水分管理、病虫害防治和收获等内容。适用于江西省早、中、晚稻机械化穴直播的生产。
 
  机具选择与调试——
 
  机具选择:选择适宜的水稻穴直播机,可实现行距可选(20cm-25cm),穴距可调(10cm-20cm),穴粒数可调(3-8粒)。
 
  安装调试:严格按照水稻穴直播机使用说明书安装调试。启动前,检查刹车装置、燃油、机油、冷却液(水)等,检查紧固螺栓有无松动,确保各部件联接可靠;启动后,进一步检查刹车装置及播种部分液压升降、排种器运转、机器前进后退等功能是否正常。
 
  播种量调试:——
 
  播种作业前,应根据播种量要求,按照使用说明书先将行距、穴距和穴粒数调整至预设值。
 
  田间试播种,将稻种装入 1~2 个种箱内,种箱内有五分之一的稻种即可;启动机具,下田试播种 4m~5m,检测行距、穴距和穴粒数是否与预设值一致,不一致时,重新调整及试播,直至满足预设值要求。
 
  正式作业时,按要求锁定调整机构,以防作业时松动。
 
  播种作业要求——
 
  播种期:根据水稻的品种特性、茬口(早、中、晚稻)安排和当地气候条件综合确定播种时期,以确保安全齐穗和最佳时段灌浆为原则。早稻在当地日平均气温稳定在12℃以上抢睛播种,一般赣南地区在3月中下旬,赣中、赣北地区在3月下旬至4月上旬;中稻在5月下旬至6月中旬;晚稻在7月上中旬。
 
  播种量:按照品种特性、播种期、种子质量、基本苗要求等确定适宜的播种量,如表1所示。


 

  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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