The invention relates to a coulter arrangement (10) for a sowing machine, having a sowing coulter (16) for depositing seed, the coulter (16) being attached to a movable coulter suspension (14) and a fertilizer coulter (34) for depositing fertilizer, wherein the fertilizer share (34) is attached to a movable support arm (32). According to the invention, the movement of the coulter suspension (14) and the movement of the support arm (32) are coupled together by means of a length-variable coupling device (40).
