Double-disc ploughshare comprising an innerlying depth guide

摘要

At least one set of a double-disc ploughshare (7, 8) and one depth-guide roller (9) is arranged on the frame (6) of a pneumatic precision seeder. Said depth-guide roller (9) is arranged between the two disc ploughshares (7, 8) when viewed in the direction of travel and both ploughshares (7, 8) and the depth-guide roller (9) rotate in the same direction.