| 摘要 |
<p>A seed drill having disc shares which are mounted rotatably in holders arranged to move in a vertical plane, the individual share discs being at an acute angle to the direction of travel, characterized in that means, for holding down the soil lifted by the share discs, and connected to the holders, are provided, the means each comprising a roller, the lower part of the periphery thereof, acting as a guide surface, being located above the depth of penetration into the soil established for the share discs, and the means being arranged close to the outer sides of the share discs which run at an angle to the direction of travel.</p> |
