Vermicomposting of Waste Corn Pulp Blended with Cow Dung Manure using Eisenia Fetida
Waste corn pulp was investigated as a potential feedstock during vermicomposting using Eisenia fetida. Corn pulp is the major staple food in Southern Africa and constitutes about 25% of the total organic waste. Wastecooked corn pulp was blended with cow dung in the ratio 6:1 respectively to optimize the vermicomposting process. The feedstock was allowed to vermicompost for 30 days. The vermicomposting took place in a 3- tray plastic worm bin. Moisture content, temperature, pH, and electrical conductivity were monitoreddaily. The NPK content was determined at day 30. During vermicomposting, moisture content increased from 27.68% to 52.41%, temperature ranged between 19- 25◦C, pH increased from 5.5 to 7.7, and electrical conductivity decreased from 80000μS/cm to 60000μS/cm. The ash content increased from 11.40% to 28.15%; additionally the volatile matter increased from 1.45% to 10.02%. An odorless, dark brown vermicompost was obtained. The vermicompost NPK content was 4.19%, 1.15%, and 6.18% respectively.
 P.M.Ndegwa and S.A.Thompson, "Integrating composting and
vermicomposting in the treatment and bioconversion of biosolids",
J.Bioresourse Technology, vol. 76, pp. 107-112, 2001.
 J. Palsania, R Sharma, J.K Srivastava and D. Sharma, "Effect of
moisture content variation over kinetic reaction rate during
vermicomposting process", J. Applied Ecology and Environmental
Research, vol.6(2) pp. 49-61, 2008.
 M. Aira, F. Monroy and J. Dom├¡nguez, "Eisenia fetida
(Oligochaeta:Lumbricidae) modifies the structure and physiological
capabilities of microbial communities improving carbon mineralization
during vermicomposting of pig manure", J.Microbial Ecology, vol. 54,
pp. 662-671, 2007.
 A.A. Ansari and J. Rajpersaud, "Physicochemical changes during
vermicomposting of water hyacinth (Eichhorniacrassipes) and grass
clippings", ISRN Soil Science, Article ID.984783, pp.1-6, 2012.
 N. B. Singh, A.K. Khare, D.S. Bhargava and S. Bhattacharya, "Effect of
initial substrate pH on vermicomposting using Perionyx Excavatus
(Perrier, 1872)",J. Applied Ecology and Environmental Research, vol.
4(1), pp. 85-97, 2005.
 A.A.Ansari and K. Sukhraj, "Effect of vermiwash and vermicompost on
soil parameters and productivity of okra (Abelmoschus esculentus) in
Guyana",African J. Agricultural Research, vol. 5(14), pp. 1794-1798,
 A.A.Ansari and S. Jaikishun, "An investigation into the
vermicomposting of sugarcane bagasse and rice straw and its subsequent
utilization in cultivation of PhaseolusvulgarisL. In Guyana", American-
Eurasian J. Agriculture and EnvironmentScience, vol. 8(6), pp. 666-671,
 P.S.Chaudhuri, T.K. Pal, B. Gautam and S.K. Dey, "Chemical changes
during vermicomposting (Perionyx Excavatus) of kitchen wastes", J.
Tropical Ecology, vol. 41(1), pp. 107-110, 2000.
 K. Muthukumaravel, A.Amsath and M. Sukumaran, "Vermi-composting
of vegetable wastes using cow dung",E-J. Chemistry, vol. 5(4), pp810-
 S. Indrajeet, N.Rai and J. Singh, "Vermicomposting of farm garbage
manure in different combination", J.Recent Advances in Applied
Sciences, vol. 25, pp.15-18, 2010.
 C.A. Edwards, J.Dom├¡nguezand E.F. Neuhauser, "Growth and
reproduction of Perionyx Excavatus (Perr.)(Megascolecidae) as factors
in organic waste management", J.Biology and Fertilityof Soils, vol. 27,
 K. Tharmaraj, P. Ganesh, K. Kolanjinathan, K. R. Suresh and A.
Anandan, "Influence of vermicompost and vermiwash on
physicochemical properties of rice cultivated soil". J. Current Botany,
vol. 2(3), pp. 18-21, 2011.