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2Department of Chemical Engineering, Institute of Technology, Haramaya University, Dire Dawa, Ethiopia
3Department of Microbiology, Kanchi Shri Krishna College of Arts and Science, Kilambi,
Kancheepuram-631 551, Tamil Nadu, India
In the present study, kitchen vegetable waste collected from households of Salem, Tamil Nadu has been used for vermicomposting in combination with cowdung (3:1) for 60 days using the earthworm, Eisenia fetida. The vermicompost produced showed 1.16%, 1.02% and 0.81%, nitrogen, phosphorus and potassium respectively. The microbial population increased from day 0 to 60th day in all the vermibeds. The total bacterial population of 43, 61, 71, 115 and 145 CFU × 106 g-1 were recorded during vermicomposting of kitchen vegetable waste on 0, 15, 30, 45 and 60 days respectively. On 60th day total fungal and actinomycetes recorded in vermicompost were 135 CFU × 103 g-1 and 79 CFU × 104 g-1 respectively. The vegetable kitchen waste in combination with cowdung (3:1) is suitable for vermicomposting with Eisenia fetida to produce nutrient rich vermicompost.