| 摘要 |
A coulter for broadcast sowing of cereals comprises a seed tube as a vertical post of the coulter, wings, a distributor arranged at angle, a baffle board, a gasket arranged in the plane parallel to the soil surface plane. The distributor is mounted at an angle of 30...60° to the horizontal line with an incline in the direction of the working movement of the opener. According to shape thereof, the distributor is made providing the overlapping the projection of the opening of the seed tube. In addition, the wings of the coulter and the gasket are made as a single geometrical figure, the base of which is made as a plane and is arranged in parallel to the soil surface, and the working surface of the wings is made as part of an ellipsoid. |
