The invention relates to a method for disinfecting soils or other agricultural growing media, characterised by comprising the following steps: obtaining a soil or other agricultural growing medium at their field capacity； treating the soil or medium at the field capacity of the previous step with ozonated water, wherein the ozonated water is prepared in situ with ozone-production equipment connected to the water supply； allowing a period of time to pass after the treatment with ozone； and inoculating the disinfected soil or agricultural medium with at least one species of beneficial microorganism.
