| 摘要 |
A soil tillage implement to be pulled behind a tractor having a conventional frame with one or more furrowing elements depending from the frame or plough share. Each furrowing element has a disc-like coulter, a shank, and a replaceable plough share mounted on the soil engaging end of the shank. One or more gauge wheels, which can be adjusted to vary the height of the implement from the soil so as to adjust the depth of the tillage extending down from the frame. Each gauge wheel employs a counterbalance spring assembly to support the weight of the gauge wheel during adjustment.
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