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驱动圆盘玉米垄作免耕播种机设计与试验

, PP. 68-72

Keywords: 保护性耕作,免耕播种机,玉米,设计,试验

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Abstract:

针对东北垄作区免耕播种玉米时存在机具堵塞严重、条带旋耕功耗大、垄上作业稳定性差等问题,设计了驱动圆盘玉米垄作免耕播种机,提出了驱动圆盘破茬、限深轮稳定装置为一体的破茬开沟稳定机构,对本装置的关键参数进行了设计。田间试验结果表明,驱动圆盘玉米垄作免耕播种机通过性能好,破茬能力强。机具破茬深度约为87mm,种肥间距稳定在48mm时能够满足播种要求,播种施肥开沟器在主动圆盘开出的沟槽中进行二次开沟,减少了土壤扰动和动力消耗。与条带旋耕玉米垄作免耕播种机相比,油耗降低8.5%,地表动土量减少约

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