1. Abbott I, Parker CA (1981) Interactions between earthworms and their soil environment. Soil Boil Biochem 13:191–197
2. Aira MF, Monoroy J, Dominguez S, Mato X (2002) How earthworm density affects microbial biomass and activity in pig manure. Eur J Soil Biol 38:7–10
3. Alidadi H, Parvaresh AR, Shahmansouri MR, Pourmoghadas H (2005) Combined compost and vermicomposting process in the treatment and bioconversion of sludge. Iran J Environ Health Sci Eng 2:251–254
4. Allievi, Citterio, B. and Ferrari, A. (1987). Vermicomposting of rabbit manure: modification of microflora. Proceedings of compost production, quality and use. Symposium Organized by the Commission of the European Communities, Udine, Italy, pp 115–126
5. Anand P, Isar J, Saran S, Saxena RK (2006) Bioaccumulation of copper by Trichoderma viride. Bioresour Technol 97:1018–1025