Pot culture experiments were done to process paper mill sludge mixed with bedding materials (cow dung, pig waste and water hyacinth (Eichhornia crassipes) in the ratio of 25:75, 50:50, and 75:25 using earthworm Eudrilus eugeniae. Totally there were three treatments (T1, T2 and T3) with three replicates for each. Before and after treatments physico-chemical parameters such as pH, OC, TN, TP, tot TK, Ca, Zn, Fe and Mn were analysed. There were reduction in pH and OC in all vermibeds. On comparison in T2 the level of macronutrients such as tot N, tot P, tot K were found to be high. Micronutrients were high in T2. Earthworm biomass and cocoon production were also studied.
Vermiconversion of Paper Mill Sludge for Recycling the Nutrients Using Earthworm Eudrilus eugeniae
Published 2014 in IOSR Journal of Environmental Science, Toxicology and Food Technology
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2014
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IOSR Journal of Environmental Science, Toxicology and Food Technology
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Chemistry, Environmental Science
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