Li, Kangmin; Li, Peizhen; Li, Hongtao - In: International Journal of Global Environmental Issues 10 (2010) 3/4, pp. 354-365
Earthworms can treat organic garbage, livestock manure and poultry droppings and turn them into premium organic fertilisers, because humus only exists in earthworm feces and castings, compared with other fertilisers. Earthworms can also supply quality animal protein as feed, and offer the best...