Weed killing method and apparatus

摘要

PCT No. PCT/NZ95/00063 Sec. 371 Date Jun. 20, 1997 Sec. 102(e) Date Jun. 20, 1997 PCT Filed Jul. 19, 1995 PCT Pub. No. WO96/03036 PCT Pub. Date Feb. 8, 1996A weed killing apparatus comprises a hollow chamber (1) having an air inlet and an open end forming a hot air outlet (4), an apparatus which blows air through the chamber to exit the open end thereof, heater (5) in the chamber (1) for heating the air passing through the chamber so that the air exits the outlet (4) end of the chamber (1) as a blast of heated air, and means for introducing moisture (21) into the air flow to mix with the blast of heated air. The foliage of weeds is surface wetted and heated which kills the weeds.