Soil element fractions affect phytotoxicity, microbial biomass and activity in volcanic areas. - Memoli, Valeria; Eymar, Enrique; Garcia-Delgado, Carlos; Esposito, Francesco; Panico, Speranza Claudia; De Marco, Anna; Barile, Rossella; Maisto, Giulia (Science Of The Total Environment, 2018)