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Vermicomposting of paper mill sludge (PMS) and tea waste (TW) using cow dung (CD) in five different combinations was carried out using Eisenia fetida. The aim of this study was to manage the waste disposal problem of PMS using the environment-friendly technology of vermiconversion. The changes in physico-chemical parameters were observed at 30-day intervals up to 90 days. The final pH was within 6.09-6.95 among all units. The TN, TP and TK contents increased 0.30-0.87, 0.53-3.23, 0.33-0.63 times, respectively in all mixtures after vermico
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