| 摘要 |
A direct sowing drill consists of a frame, supporting wheels, a sowing unit, a blade, a ripper disk with a corrugated cutting edge, wherein there is at least one cut, and of covering rollers. A drive, consisting of a driving sprocket fixed on an axle of a supporting wheel and of a driven sprocket fixed on the axle of the ripper disk, connected between each other by a chain, is mounted on the ripper disk. |
