Patent ID: 6860336

Claim:
A subsoil applicator comprising: an upright shank having a leading, generally upright edge and a pair of opposite sides extending rearwardly from said leading edge; a pair of wings adjacent the lower end of said shank projecting laterally outwardly from opposite sides of the shank, said wings presenting a pair of laterally outermost edges that diverge rearwardly from the leading edge of the shank to a transversely extending rear extremity of each wing, each of said wings having an upwardly projecting boss extending along and disposed forwardly adjacent its rear extremity, said boss having a generally upwardly facing, convexly upper surface that extends outwardly from the corresponding side of the shank to the outermost edge of the corresponding wing; and tubular structure for discharging a substance into the subsoil behind the rear extremity of the wings.