An apparatus for removing weeds and harmful plants from the soil, comprising a fuel tank (1) containing solid fuel, such as pellets or biomass having a shape which is similar to the pellet, an auger (6), which takes the solid fuel from said tank (1) and transports it by means of at least one motor (2, 3), inside a combustion chamber (9), where said solid fuel is manually ignited or by means of one or more resistors, characterized in that one or more box-like structures (4) are fixed or hinged laterally and downstream of said combustion chamber (9) and in that inside each box-like structure (4) a duct (10) having an opening (11) is provided in a lower part of said structure (4), so that said opening (11) is pointed towards the soil and so that a flame emerging from said opening (11) coming from said combustion chamber (9) and being conveyed downward from said duct (10) touches the soil.
