主权项 |
1. An apparatus for applying a herbicidal inert gas to the roots of a Kudzu vine comprising a perforated tube having two opposite ends and a hollow interior, said perforated tube having a plurality of perforations including first and second sets of perforations, said perforations penetrating from outside said tube to the hollow interior, said perforations being aligned with said tube length, and said first and second sets being formed respectively on opposite sides of said tube, a drill bit secured in one end of said tube, a drill shank secured in said opposite tube end from the end said drill bit is secured, a nipple on said tube to establish inert gas communication with said hollow interior, a valve coupled to said nipple for controlling the inert gas flow into said hollow interior, said plurality of perforations spaced below the nipple and the valve on the perforated tube, whereby the inert gas within said hollow interior disperses through said tube perforations to the Kudzu vine roots. |