Method and device for drilling plant hole in soil uses earth drill having compressed air nozzle outlets at front end to loosen and aerate soil as drill rotates and moves downwards

摘要

When drilling the plant hole the soil area is loosened and then driven along the drilling coil. The area surrounding the hole is aerated by compressed air blown out through the front end of the rotating downward moving earth drill. Independent claim describes device for drilling plant hole which has a compressed air supply device (11, 12) associated with the earth drill (6) which has at its front end (13) nozzle outlets (14, 15) for blowing compressed air out radially and axially into the soil.