Figure 4. Biomass production of legumes, grasses and forbs in mescocosms containing different earthworm species (NoEw…no earthworms, Ac…A. caliginosa, Lt…L. terrestris, AcLt…both species) with and without AMF inoculation.

Lower case letters denote differences between earthworm treatments within each plant functional group and AMF treatment; upper case letters denote differences between total plant biomass (P<0.05). Means, n = 5.