Turf injector with ground slitting knives

A turf injector that includes a frame that is movable over the ground, wherein the frame includes at least one injector unit, wherein the at least one injector unit includes a knife that cuts a slit into the ground as the frame passes over the ground and a chemical applicator following the knife for applying chemicals into the slit formed by the knife, wherein the improvement relates to the ground slitting knife and comprises:

• a cutting edge on the slitting knife that is inclined rearwardly and downwardly taken with respect to a forward direction of movement of the frame, and means for mounting the knife on the frame at a fixed, non-adjustable angle of inclination relative to the horizontal, wherein the knife mounting means comprises at least two longitudinally spaced apart mounting holes received on two fixed and longitudinally spaced apart pins so that the angle of inclination of the cutting edge of the knife cannot be changed, wherein the mounting holes are provided on the knife and the pins are fixed to the frame, wherein the pins are carried on a base plate fixed to the frame, and further including a clamping plate secured to the base plate for clamping the knife in place against the base plate with the knife being received between the base plate and the clamping plate.