significant interaction was observed between earthworm activity and plant growth when compost was used. Earthworms increased tomato plant biomass and decreased the biomass of the second maize planting in soil mixed with compost (P < 0.05 in both cases).
significant interaction was observed between earthworm activityand plant growth when compost was used. Earthworms increasedtomato plant biomass and decreased the biomass of the secondmaize planting in soil mixed with compost (P < 0.05 in bothcases).