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Vermicomposting of Paper Mill Sludge with Eisenia fetida for its Conversion to Nutrient Using Different Seed Materials
Abstract In this study, it was aimed for effective utilization of paper mill sludge through vermicomposting by varying seed proportion with sp. Eisenia fetida. Nine plastic trays were used for the experimental work including control. Different seed proportions of cow dung and cattle dung were tested. The multiplication of earthworms in terms of number was counted at the end of vermicomposting. The N, K, Ca, Na values of the manure in each vermibin were estimated before and after vermicomposting. In this study, it was concluded that tray A2 which has combination of 75% Cow dung (CD) and 25% Paper Mill Sludge (PMS) provided better nitrogen synthesis and lowering C/N ratio, whereas tray A4 (25%CD + 75% PMS) yielded better Calcium recovery. Both the seed materials were found to be suitable for Potassium recovery. From this study, it was inferred that vermicomposting of paper mill sludge with sp. Eisenia fetida along with seed materials can also solve the problem of disposal of this sludge.
Vermicomposting of Paper Mill Sludge with Eisenia fetida for its Conversion to Nutrient Using Different Seed Materials
Abstract In this study, it was aimed for effective utilization of paper mill sludge through vermicomposting by varying seed proportion with sp. Eisenia fetida. Nine plastic trays were used for the experimental work including control. Different seed proportions of cow dung and cattle dung were tested. The multiplication of earthworms in terms of number was counted at the end of vermicomposting. The N, K, Ca, Na values of the manure in each vermibin were estimated before and after vermicomposting. In this study, it was concluded that tray A2 which has combination of 75% Cow dung (CD) and 25% Paper Mill Sludge (PMS) provided better nitrogen synthesis and lowering C/N ratio, whereas tray A4 (25%CD + 75% PMS) yielded better Calcium recovery. Both the seed materials were found to be suitable for Potassium recovery. From this study, it was inferred that vermicomposting of paper mill sludge with sp. Eisenia fetida along with seed materials can also solve the problem of disposal of this sludge.
Vermicomposting of Paper Mill Sludge with Eisenia fetida for its Conversion to Nutrient Using Different Seed Materials
Mohan, S. Mariraj (author)
Journal of The Institution of Engineers (India): Series A ; 98 ; 545-553
2017-11-02
9 pages
Article (Journal)
Electronic Resource
English
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