Fig. 4From: Bioremoval of humic acid from water by white rot fungi: exploring the removal mechanismsExtracellular enzymes activities of four tested fungal strains in NL and NS media with and without the presence of HA. a T. versicolor, b P. chrysosporium, c P. sajor-caju, d P. ostreatus. Note the difference in Y-axis scaleBack to article page