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中国农机院呼和浩特分院4项科技成果助力草原生态保护

2023-06-21 14:29:19 来源:中国农机院 阅读量:17314 评论

导读:6月14日,中国机械工业联合会在北京组织召开了内蒙古自治区科技重大专项科技成果鉴定会。

  【农机网 科技创新】6月14日,中国机械工业联合会在北京组织召开了内蒙古自治区科技重大专项科技成果鉴定会。中国农机院呼和浩特分院完成的“禾本科豆科牧草种子收获技术与装备”“退化草原施肥切根复壮技术与装备”“退化草原免耕多品种混补播施肥技术与装备”“柠条灌木平茬收获技术与装备”4项研究成果顺利通过了科技成果鉴定。鉴定会专家组由中国农机工业协会、农业农村部农业机械化总站、中国农业大学、中国农业机械学会、中国农业科学院饲料研究所和中国农机院的7位专家组成。
 
  禾本科豆科牧草种子收获技术与装备
 
  针对牧草种子形状复杂、草谷比大、宜收期短等收获难题,创新了牧草种子气吸式割前梳脱、沉降分离、禾本科与豆科牧草种子梳脱式收获台互换等关键技术,开发了禾本科牧草种子梳脱气吸采集台、豆科牧草种子斜置滚筒割前脱粒气吸采集台、释压沉降分离集料装置、自走式底盘等部件,成功创制了禾本科、豆科割台互换的牧草种子收获机。该成果填补了禾本科、豆科割台互换的牧草种子专用收获装备国内空白,总体技术达到国际先进水平。
 
  退化草原施肥切根复壮技术与装备
 
  针对退化草地亚表层高坚实度土壤特征和切根、补播、补水、施肥不同复式改良作业要求,创新了低扰动不翻垡切根、间隔松土蓄水保墒、双气力并行式中央排种排肥等关键技术,研发了波纹圆盘刀破茬切根、深度可调翼铲式开沟松土、正压式双输送排种排肥等装置,创制了草原切根施肥播种联合作业机。该成果填补了退化草原切根施肥播种联合作业装备国内空白,总体技术达到国际先进水平。
 
  退化草原免耕多品种混补播施肥技术与装备
 
  针对退化草原免耕混播施肥的技术难点,提出了低扰动、深切缝、窄开沟、浅覆土的种床制备工艺,创新了多品种牧草种子组配、倒“T”型开沟、单元体独立仿形等技术,开发了独立分配式排种施肥系统、倒“T”型开沟切根装置、多功能拖拉机连接装置等部件,集成创制了退化草原免耕多品种混补播施肥装备,实现了一机多用,既能单播也能多品种混播,一次性完成低扰动切根、高保墒开沟、种肥同步分层施用,自适应覆土镇压等多功能复式作业。该成果填补了多品种混播的牧草免耕播种机国内空白,总体技术达到国际先进水平。
 
  柠条灌木平茬收获技术与装备
 

 
  针对柠条固沙平茬及饲料化利用的作业要求,创新了高速低损仿形切割、低功耗高效切碎、双腔并联成捆、自动控制等关键技术,研发了切割、切碎、不停机打捆和自动监测报警等装置,创制了自走式灌木收割粉碎打捆一体机。该成果全面满足了柠条留茬质量的高标准要求,总体技术性能达到国内领先水平。
 
  项目取得的科研成果有助于带动草牧业装备产业技术升级,促进我国草原生态保护建设和草原生产能力提升,为草原生态修复治理与草原畜牧业发展提供装备支撑。
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