Fig. 6. Laccase and manganese peroxidase (MnP) activity for isolates T. versicolor HR131 and Trametes sp. HR577 grown on high and low nitrogen growth substrates (C/N = 51:1 and 200:1) and inoculated into a 1065 mg kg^–1 pentachlorophenol-contaminated field soil. Standard errors of differences (95%) for factor means (U kg^–1): MnP formulate main effect, time and isolate effect, time and formulate effect ± 7, ± 15, and ± 15, respectively; laccase formulate and isolate main effects ± 29, time and isolate, and time and formulate effects ± 56, formulate and isolate effect ± 41.