| 摘要 |
<p>A seed drill with disc shares arranged alternately and, in the direction of travel, in staggered relationship with each other, in two transverse rows one behind the other, and adapted to pivot in a vertical plane by means of holders, the seed drill having individual share discs each forming an acute angle of attack with the direction of travel, characterized in that the individual share discs are about 400 mm in outside diameter and at least 4 mm in thickness, and in that the magnitude of the angle of attack for the individual share discs is about 7 to 9.degree..</p> |
