| 摘要 |
A cultivator blade of a seeder is made as a flat disk, whereon blades, shaped as a triangle and turned by an acute angle outside, are arranged from the both sides. The blades are mounted with a radialshift from the periphery of the disk in the direction of rotational axis. In addition, the blades, placed on one of the sides of the disk, are shiftedrelating the blades, arranged on the opposite side of the disk, for a half of an angle of setting thereof. Due to such an embodiment the force of resistance to the deepening of the blade into the soil is reduced, the quality of the soil loosening is improved and the evenness of a depth of running of the ripper blade in the soil is provided.
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