Two different bioremediation strategies, namely soil bioaugmentation by means of the addition of a mycelial suspension of a Trichoderma sp. strain and soil biostimulation through the
dispersion of a commercial formulation to enhance the native soil hydrocarbonoclastic microbial community by simply adjusting soil nutrients, were compared in this study to verify the bio-treatability of wildfire generated toxic hydrocarbons (BTEX, LMW PAHs and
C12-40 hydrocarbon fraction). Efficacy of the aforementioned approaches was evaluated with respect to the natural attenuation (nosoil treatments) in three contiguous parcels cordoned off within a woodland located in Northern Italy (Pezzaze municipality, Brescia, Lombardy) and recently impacted by wildfire. The experimental plots were then monitored throughout the further nine months to figure out the dynamics of decay in soil concentration of toxic hydrocarbon
compounds, due to the adoption of the different remediation strategies.