Abstract: A weeding rod unit arranged in combination with a plow which embodies a plowshare and a shank upstanding from the plowshare for attachment to a tractor-drawn tool bar; the weeding rod unit comprising an arm secured to and projecting rearwardly from the shank adjacent but above the plowshare, individual spring rods projecting laterally and oppositely outwardly from the arm in a plane to run in weeding relation at or slightly below ground level when the plowshare is at working depth, and said oppositely projecting rods being integral with and emanating from a vertical-axis spring coil fixedly secured to said arm.