Removing opener force to reduce soil disturbance
作者： Beaujot Norbert
DOI:
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摘要: An agricultural seeder has furrow opener assemblies spaced along a width of the implement frame. Each assembly an arm pivotally attached to frame, and arm. A product delivery system delivers products assemblies, control controls such that are delivered only active assemblies. bias force is operative, when activated in transport mode, exert upward on idle operating downward substantially no
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