垄间套播冬小麦免耕播种机设计与试验

Xiuzhen Cao,Shuhong Zhao,Hongjun Liu,Yueqian Yang,Yong Zhou

Journal of Agricultural Mechanization Research（2016）

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Abstract

为满足高寒地区冬小麦生长的越冬要求,针对在低矮作物(如大豆等)未成熟时垄间套播冬小麦种植模式的农艺要求,设计了垄间套播冬小麦机械式排种免耕播种机. 为了保证冬小麦开沟器不在垄台上伤害农作物,设计了双向平行四杆仿形机构,能同时完成上下、左右仿形. 田间试验结果表明:平均播种深度为45.9mm,合格率为86.7%;平均施肥深度为76.45mm;冬小麦出苗速率 SE 为4.88(株/天)/m,在次年返青期冬小麦的返青率为85 .3%,能够满足垄间(垄沟两侧)套播冬小麦的播种要求.

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