An agricultural seeder comprising a main frame, arranged on the main frame a loading web carrying frame member, a plurality of on the main frame hinged on holding elements Säschareinheiten for spreading seed to be distributed, as well as a Zustreich- and / or pressing device, which comprises at least one arranged transversely to the direction of travel support beam, the is attached to at least one forwardly projecting in the direction of travel in the front region pivotally mounted arm and on the transverse direction of the direction several Zustreich- and / or pressing elements are arranged, wherein the Zustreich- and / or Andrückvorrichtung dug by at least one adjustment, lowered and / or is applied with a pressure against the ground. In order to provide an arrangement by means of which a comfortable and error-free adjustment of the feeding and / or pressing device of a sowing machine is possible, a central, arranged on one side of the machine and acting on all support arms adjustment is provided.
