Dynamics of biological and chemical parameters during vermicomposting of solid textile mill sludge mixed with cow dung and agricultural residues.

In India, thousands of tons of textile mill sludge are produced every year. We studied the ability of epigeic earthworm Eisenia foetida to transform textile mill sludge mixed with cow dung and/or agricultural residues into value added product, i.e., vermicompost. The growth, maturation, mortality, cocoon production, hatching success and the number of hatchlings were monitored in a range of different feed mixtures for 11 weeks in the laboratory under controlled environmental conditions. The maximum growth and reproduction was obtained in 100% cow dung, but worms grew and reproduced favorably in 80% cow dung + 20% solid textile mill sludge and 70% cow dung + 30% solid textile mill sludge also. Addition of agricultural residues had adverse effects on growth and reproduction of worms. Vermicomposting resulted in significant reduction in C:N ratio and increase in TKN, TP, TK and TCa after 77 days of worm activity in all the feeds. Vermicomposting can be an alternate technology for the management of textile mill sludge if mixed with cow dung in appropriate quantities.

[1]  A. D. Bhide,et al.  Vermicomposting of Vegetable Waste , 1993 .

[2]  S. Mato,et al.  Bioconversion of solid paper-pulp mill sludge by earthworms , 1996 .

[3]  A. Lowengart,et al.  Fertilizers and Environment , 1996, Developments in Plant and Soil Sciences.

[4]  J. Domínguez,et al.  Changes in biochemical properties of cow manure during processing by earthworms (Eisenia andrei, Bouché) and the effects on seedling growth , 2000 .

[5]  K. Butt.  An investigation into the growth and reproduction of the earthworm Lumbricus terrestris L. under controlled environmental conditions , 1990 .

[6]  K. Seal,et al.  The occurrence of cellulases in the earthworm Eisenia foetida , 1988 .

[7]  M. Bertoldi,et al.  Compost: Production, Quality, and Use , 1987 .

[8]  B. Ceccanti,et al.  Enzyme activities as indicators of the stabilization of sewage sludges composting with Eisenia foetida , 1999 .

[9]  R. Hartenstein,et al.  Physicochemical Changes Effected in Activated Sludge by the Earthworm Eisenia foetida 1 , 1981 .

[10]  J. Syers,et al.  Plant availability of phosphorus in dead herbage ingested by surface-casting earthworms , 1981 .

[11]  E. Neuhauser,et al.  Effects of heavy metal and other elemental additives to activated sludge on growth of Eisenia foetida , 1981 .

[12]  D. Kaplan,et al.  Physicochemical requirements in the environment of the earthworm Eisenia foetida , 1980 .

[13]  A. Reinecke,et al.  The life-cycle of the compost worm Eisenia fetida (Oligochaeta) , 1988 .

[14]  J. Domínguez,et al.  Vermicomposting of wastewater sludge from paper-pulp industry with nitrogen rich materials , 1997 .

[15]  D. Kaplan,et al.  Reproductive potential of the earthworm Eisenia foetida , 1979, Oecologia.

[16]  K. Butt.  Utilisation of solid paper-mill sludge and spent brewery yeast as a feed for soil-dwelling earthworms , 1993 .

[17]  R. M. Morris,et al.  Combining vermiculture with traditional green waste composting systems , 1997 .

[18]  J. Haimi,et al.  Capacity of various organic residues to support adequate earthworm biomass for vermicomposting , 1986, Biology and Fertility of Soils.

[19]  Clive A. Edwards,et al.  The growth and fecundity of Eisenia fetida (Savigny) in cattle solids pre-composted for different periods , 2002 .

[20]  J. M. Bremner,et al.  Nitrogen—Total 1 , 1982 .

[21]  D. Kaplan,et al.  Growth of the earthworm Eisenia foetida in relation to population density and food rationing , 1980 .

[22]  Clive A. Edwards,et al.  Breakdown of animal, vegetable and industrial organic wastes by earthworms , 1988 .

[23]  K. Kapoor,et al.  Vermicomposting of crop residues and cattle dung with Eisenia foetida , 2000 .

[24]  M. Ghosh,et al.  Transformation of phosphorus during vermicomposting , 1999 .

[25]  J. Satchell,et al.  Phosphatase activity in earthworm faeces , 1984 .

[26]  D. W. Nelson,et al.  Total Carbon, Organic Carbon, and Organic Matter , 1983, SSSA Book Series.

[27]  Luis Sampedro,et al.  Vermicomposting of sludges from paper mill and dairy industries with Eisenia andrei: A pilot-scale study , 1998 .

[28]  N. Senesi,et al.  Composted materials as organic fertilizers , 1989 .

[29]  Clive A. Edwards,et al.  Vermicomposting of sewage sludge: Effect of bulking materials on the growth and reproduction of the earthworm , 2000 .

[30]  R. Hartenstein,et al.  Growth of the earthworm Eisenia foetida on microorganisms and cellulose. , 1984 .

[31]  W. A. Hayes,et al.  Vermicomposting of cow slurry , 1988 .

[32]  C. Edwards,et al.  Earthworms in Waste and Environmental Management , 1990 .

[33]  C. Edwards,et al.  Interactions between earthworms and microorganisms in organic-matter breakdown , 1988 .

[34]  D. Michalk,et al.  Influence of sewage waste on the abundance of earthworms in pastures in south-eastern Australia , 2002 .