| 摘要 |
According to the invention, the soil is broken up with soil-working elements to form furrows in preparation for sowing and placing the seeds. A seedbed (11) is prepared using the rake elements (5) corresponding with the elements for placing the seeds (12). Seeds are then deposited on said seedbed via the rake teeth and the seed-placing elements (12), said rake teeth (9) pushing the large organic material aside in order to keep the seed furrows free. A clearing device, preferably in the form of a punching roller (15) with punching elements (16, 16', 16'') then removes the material collected between the rake teeth and keeps it away from the seed-placing elements (12). The rake teeth (9) or levelling elements prevent obstructions of organic material. The clearing or punching elements (15) which are configured so that they are flexible in a peripheral direction work in conjunction with a fixed stop in order to prevent any damage being caused by striking an obstacle (4). A fixed levelling element (17, 17') is positioned between each pair of rotating punching elements (16, 16'), said levelling element exerting a pressure on the soil and pressing on the seeds. This halves the number of punching elements required. |
