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宁夏春小麦种植农机作业技术要点

2024-03-06 08:38:42 来源:宁夏农业机械化技术推广站 阅读量:17733 评论

导读:为加快宁夏春耕春播生产步伐,提高春小麦种植机械化效率和作业质量,确保按时完成今年春小麦播种任务,结合宁夏实际,制定春小麦种植农机作业技术要点。

  【农机网 地方农机】 近期,受低温小雪天气影响,宁夏春耕春播普遍推后,为加快宁夏春耕春播生产步伐,提高春小麦种植机械化效率和作业质量,确保按时完成今年春小麦播种任务,结合宁夏实际,制定春小麦种植农机作业技术要点。
 
  一、机械化耕整地
 
  一是适时进行机械化耕整地作业,在早春解冻土壤返潮前期进行,一般在土壤解冻达到5cm深时进行顶凌整地。在播种前优先使用联合整地机、动力耙等机械,一次作业完成耙地、碎土、耱地、镇压等工序,破除板结,使表层疏松,减少土壤水分蒸发,提高地温,保持墒情。早春耙耱保墒或雪后耙耱破除板结时,耙耱深度以5cm为宜。二是确保整地作业技术要求,整地作业前调试好机具作业参数,机械无法作业的地角必须由人工辅助完成,作业时墒情适当,土块要耙碎,作业后土壤尽量没有尺寸≥5㎝的土块、泥条,土壤表层没有隆起的土堆、土条和明显的凹坑,整地后地表平整,四边地角整齐,土层上虚下实,保持适宜的紧实度,肥料覆盖良好,无作物残茬、废膜和裸露杂草等。三是注重保墒备播,对土壤表墒较差而底墒较好的地块,可增加播深,先深开沟,后将种子种在深层有墒处。土壤墒情好时,要“抢墒不等时”,抢时早播或顶凌播种。土壤含水率过高时,可采取耙地散墒或开沟散墒措施,适当推迟播期,等墒播种,并适当增加播量。
 
  二、机械化播种
 
  优先推荐使用集施肥、播种、镇压等功能为一体的复式作业机械,要求下种均匀, 无漏(重)播, 覆土均匀严密, 播后镇压效果良好。一是做好播前机具调试。机具下地作业前要检查各部件安装是否正确、紧固件是否紧固、划行器是否安装、传动机构是否灵活。播前要进行试播,并对播种深度、种子破碎情况、有无漏播等情况进行检查,必要时进行调整。二是严格要求作业质量。播种作业要推广使用导航播种技术,直线度误差不大于2.5cm,机具作业速度控制在4—5km/h,播种作业时要有跟机人员检查播种质量,发现问题及时处理,下籽均匀,不重不漏、不得出现缺行断苗,播深控制在3-5cm,力争达一播全苗。播种结束后,视土壤墒情、覆土镇压情况,及时进行耱耥镇压。
 
  三、机械化作业安全
 
  一是严格落实作业规程,操作人员应熟悉机械作业操作规程,掌握相应的安全知识,严禁无牌无证进地作业,机械配备的安全装置与设施应齐全有效,警示标识清晰明显。二是强化作业安全检查,机组作业区内严禁人员围绕、走动或停留,拖拉机挡泥板上禁止坐人或站人。机车起步前发出信号,确认安全无误后方可慢速起步运行。在作业过程中加种、清理堵塞和修理、保养、调整机具时要停机,避免发生安全事故。三是增强规范操作意识,拖拉机不得出现漏电、漏油等机械问题,严禁明火照明排除故障,添加油料时禁止烟火,应配备质量合格的灭火器材。
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