| 摘要 |
FIELD: agriculture. ^ SUBSTANCE: invention can be used for tilling and sowing. Proposed unit has frame, wheels, rotary tool and openers. Working elements of rotary tool are made with displacement of center of their masses to end of working elements. Thanks to it impulse action onto upper plane of soil layer is provided at frequency multiple of standing wave frequency in point of contact with soil layer. Tips with cheeks are fastened on openers to travel in vertical plane. ^ EFFECT: improved quality of sowing and capacity. ^ 4 dwg |
