| 摘要 |
<p>Furrowing device for direct sowing in terrains that are worked and not worked, which comprises a furrowing disk (11) borne by a first arm (26) secured to the operational machine in such a manner that it can oscillate, and comprises also means to adjust the depth of the furrow, a tubular coulter (24) and a furrow-closing means, which consists of a covering disk (13) positioned to the rear and side of the furrowing disk (11), the covering disk (13) being borne on a second oscillatory arm (15) and being pivoted and adjustable at least at an angle and being pressed resiliently (17) against the ground. <IMAGE></p> |
