| 摘要 |
A chisel unit for band soil cultivation with local application of granulated fertilizers comprises a carriage frame with chisel blades, fixed thereon, connecting elements for mounting onto a back-mounting system and a tractor, a tank with a sowing mechanism and a fertilizer duct and supporting wheels with a mechanism of regulating the deepening chisel blades into soil. Each of the chisel blades is additionally equipped with a central cutter and side cutters. The central cutter is mounted on the front side of a chisel blade, along the chisel blade and in the vertical axial plane thereof, and has at the end a blade sharpened on the both sides; each of the side knives adjoins from side to the central knife at a distance from end thereof and has a bevel directed outward and backward. |
