Earthworms have been used in the degradation of various types of wastes from prehistoric times.
These wastes include industrial, agricultural and domestic wastes etc. This study examines the potential of the
African night crawler Eudrilus eugeniae in the bioconversion of garden waste and cow dung into
vermicompost and effect of some additives. Garden waste was mixed with different proportions of cow dung
to make it feasible diet for earthworms. Garden waste and cow dung in the ratio of 1:1 was found to be the best
ratio and this ratio was selected for further studies. It was found that a mixture of waste paper and cow dung
acts as a good medium for the survival and reproduction of earthworms. Free choice experiment showed the
preference of earthworms towards differentially treated media. Trichoderma treated media was the most
preferential medium followed by Vermiwash and Jaggery+buttermilk and control. Significant increase was found
in all the parameters like percent increase in number, weight, percent population growth and biomass
production. Physico-chemical parameters also showed increment in comparison to control. Vermicomposting
is thus a very useful and economic stabilization of waste.