AGRICULTURAL SEEDER COMPRISING A CENTRALIZED LAND ADJUSTMENT DEVICE

摘要

P The present invention relates to an agricultural seed drill (1) comprising: - a frame (2); - a seed storage device (3); and- planting elements (6) of the seed in the soil (S) consisting of: * seed coulters (12) arranged in at least two rows (10, 11) substantially perpendicular to the direction of advance (5 ) and; * substantially identical link arms (13) each supporting a sowing coulter (12). Said seed drill (1) is remarkable in that there is provided a centralized soil adjustment device (23) acting on the 'all of the implantation elements (6) and that said centralized soil setting device (23) allows a setting of soil setting simultaneously on said at least two rows (10, 11). /P