| 摘要 |
A direct seeder with a rotary type device for filling up a trace is provided to harrow softly and transfer the earth to fill up the wheel trace of the tractor to facilitate germination and rooting of the seeds. A direct seeder pulled by a tractor includes a rotary type device(50) for filling up a trace is installed on a front lower side of the director seeder to remove the trace of the wheel of the tractor. The rotary type device(50) for filling up a trace includes a rotary. The rotary hits the earth from both ends of the wheel trace of the tractor to fill up the wheel trace. The rotary includes a rotary shaft(51) and plural rotary blades(52). The rotary blades(52) are disposed spirally on the rotary shaft(51), and the edges of the rotary blades(52) are bent toward the wheel trace. |
