Method for achieving weed control through electromagnetic radiation, this method comprising the following steps: a) a step of placing an emissive face of an applicator facing a plant to be removed, then b) a step of applying, directly to the foliar surface of the plant to be removed, a lethal dose of polarized electromagnetic radiation radiated through the emissive face of the applicator, - in step b) , the lethal dose applied through the electromagnetic radiation to the foliar surface of the plant to be removed is lower than 1.8D m (f m ), where D Lo (f m ) is an optimal dose expressed in J/cm 2 and defined by the following relationship: D Lo (f m ) = 141.4 - 0.466f m , where f m is an average frequency of the applied electromagnetic radiation, expressed in GHz, this average frequency being equal to the arithmetic mean of the frequencies of the applied electromagnetic radiation with each of these frequencies weighted by the power of the electromagnetic radiation at this frequency, characterized in that , in step b) , application to the foliar surface of the plant to be removed of the electromagnetic radiation comprises: • applying first polarized electromagnetic radiation the polarization vector of which is parallel to the plane of the ground from which the plant to be removed is growing, and • applying second polarized electromagnetic radiation the polarization vector of which is perpendicular to the plane of the ground. a) a step of placing an emissive face of an applicator facing a plant to be removed, then b) a step of applying, directly to the foliar surface of the plant to be removed, a lethal dose of polarized electromagnetic radiation radiated through the emissive face of the applicator, - in step b) , the lethal dose applied through the electromagnetic radiation to the foliar surface of the plant to be removed is lower than 1.8D m (f m ), where D Lo (f m ) is an optimal dose expressed in J/cm 2 and defined by the following relationship: D Lo (f m ) = 141.4 - 0.466f m , where f m is an average frequency of the applied electromagnetic radiation, expressed in GHz, this average frequency being equal to the arithmetic mean of the frequencies of the applied electromagnetic radiation with each of these frequencies weighted by the power of the electromagnetic radiation at this frequency, - in step b) , the lethal dose applied through the electromagnetic radiation to the foliar surface of the plant to be removed is lower than 1.8D m (f m ), where D Lo (f m ) is an optimal dose expressed in J/cm 2 and defined by the following relationship: D Lo (f m ) = 141.4 - 0.466f m , where f m is an average frequency of the applied electromagnetic radiation, expressed in GHz, this average frequency being equal to the arithmetic mean of the frequencies of the applied electromagnetic radiation with each of these frequencies weighted by the power of the electromagnetic radiation at this frequency, • applying first polarized electromagnetic radiation the polarization vector of which is parallel to the plane of the ground from which the plant to be removed is growing, and • applying second polarized electromagnetic radiation the polarization vector of which is perpendicular to the plane of the ground. <EOS>