A system for tilling compression marks formed in a field by wheels of agricultural machinery the system including a first roller assembly having a plurality of blade assemblies positioned in spaced relation to one another. The first roller assembly rotatably connected to a swing arm which moves the first roller assembly between a disengaged position, where the roller assembly does not penetrate the soil, and an engaged position where the roller assembly does penetrate and till the soil. The first roller assembly is positioned behind and in alignment with a first wheel of the agricultural machinery such that the first roller assembly tills the compression mark formed by the first wheel.