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吉林省《DB22/T 1789-2013玉米免耕播种机作业技术规范》解读

2022-07-11 11:57:06 来源：农机网整理发布 阅读量：36180 评论

导读：近年来，吉林省现行一项名称为《DB22/T 1789-2013玉米免耕播种机作业技术规范》的地方标准。

　　【农机网 政策与标准】2022年农业农村部1号文件和《关于做好2022年东北黑土地保护性耕作行动计划实施工作的通知》等一系列文件都强调对黑玉机的保护和真金白银的投入，并有明确的目标规划：2022年实施黑土地保护性耕作8000万亩(其中内蒙古自治区1350万亩、辽宁省1000万亩、吉林省3050万亩、黑龙江省2550万亩、北大荒集团50万亩)。

　　近年来，吉林省现行一项名称为《DB22/T 1789-2013玉米免耕播种机作业技术规范》的地方标准，《DB22/T 1789-2013玉米免耕播种机作业技术规范》由吉林省农业委员会提出并归口，长春市农机技术推广总站、吉林省康达农业机械有限公司起草，于2013年4月1日由吉林省质量技术监督局批准发布，于2013年6月1日实施。
 
　　该标准规定了玉米免耕播种机的作业准备、作业技术要求、作业规程、作业质量指标、作业质量检  测方法及分类和作业质量判定。本标准适用于与大中型拖拉机配套的玉米免耕播种机的播种作业。
 
　　作业技术要求——
 
　　播种量：单粒播种，根据品种特性确定播种密度。
 
　　播种深度：根据土壤墒情确定播种深度，范围在3cm-5cm。
 
　　施用深度：根据施肥量确定施肥深度，范围在10cm-15cm。
 
　　种肥间距：根据施肥量确定种肥间距，种肥间距宜参见附录A。禁止种子和底肥同床混施。
 
　　行距
 
　　均匀行距：相邻行距相等，范围60cm-65cm(依秸秆覆盖量确定)。
 
　　不均匀行距：相邻行距不相等，宽行80cm-90cm，窄行40cm-50cm。
 
　　粒距(株距)：根据品种特性和目标产量确定，范围在20cm-34cm。
 
　　镇压：对苗带重镇压，镇压强度达到6.5×106Pa。
 
　　作业规范——
 
　　试播：在机组各项调整结束后、正式作业前进行试播。试播时应加足种子、肥料，以《使用说明书》规定的速度行驶30m以上。机具各项指标符合要求后，方可投入正常播种作业。
 
　　作业速度：按照免耕播种机《使用说明书》要求的作业速度，稳定行驶。禁止超速作业。
 
　　交接行：交接行间距应均匀一致，符合行距要求，误差小于5cm。
 
　　作业质量指标：按照4.1规定的地块，作业质量指标应符合表1的规定。
 
　　表1 玉米免耕播种机作业质量检测项目和质量指标要求


  

　　作业质量检测方法及分类：按照NY/T  1628-2008中5的规定，对玉米免耕播种机作业质量检测项目进行检测。检测结果不符合表1规定的要求时判定为不合格，检测项目按照玉米免耕播种机作业质量的影响程度分为A、B两类，检  测项目分类见表2。
 
　　表2 检测项目分类表

 　　作业质量判定：按照表1给出的项目进行逐项判定，A类项目全部合格，B类项目不多于2项不合格时，判定玉米免耕播种机作业质量为合格，否则为不合格。

 
　　附 录 A
 
　　(资料性附录)
 
　　种肥间距与施肥量对照
 
　　表A.1 种肥间距与施肥量对照
 

　　注：本文由农机网(www.nongjx.com)整理发布，资料来源：全国标准信息公共服务平台。

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上一篇： 河北省《DB13/T 2898-2018玉米深松施肥播种机通用技术要求》解读

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