| 摘要 |
A sowing machine has several ploughshares, which are arranged in several transverse rows one behind the other and displaced laterally to each other, with blades secured to ploughshare holder and protruding aside, the blades cut the soil and arranged at the frame. In order to provide quick penetration the blades into soil on one hand to provide lesser soil moving when intersecting it during seeding on the other hand and in case the soil tilled with no seeding, the ploughshare holders are arranged adjustable with the ploughshare blades at the frame in such a manner that the engagement angle or angle of intersection of the ploughshare blades can be changed in the soil. |
