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Turkish Journal of Fisheries and Aquatic Sciences 2010, Vol 10, Num, 1     (Pages: 47-52)

Assessment of Vermicompost as Direct Application Manure in Fish Farming Ponds

Debajyoti Chakrabarty 1 ,Sanjib Kumar Das 2 ,Mrinal Kanti Das 1 ,Mukti Pada Bag 3

1 Krishnagar Government College, Department of Zoology, Krishnagar, Nadia, India
2 West Bengal Pollution Control Board, Waste Management Cell, Salt Lake City, Sector-III, Kolkata-700098, India
3 Indian Institute of Technology, Rural Development Centre, Kharagpur, Paschim Medinipur, India
DOI : 10.4194/trjfas.2010.0107 Viewed : 1119 - Downloaded : 2008 Growth performance of Oreochromis mossambicus (Cichlidae) (Peters, 1852) as well as phyto- and zooplankton production were estimated in water filled cisterns receiving Mixed Fertilizer (MF; Single super phosphate and Urea in 1:1 ratio), Single super phosphate (SP) and Vermicompost (VC) as direct application fertilizer. Significant differences (P<0.001) were observed in the diversity and abundance of plankton in response to fertilization with MF, SP and VC. The different fertilizer and manure used can be graded in the following descending order: VC, MF and SP. The least concentration was accounted in control sets. The highest production of fish was obtained in vats treated with VC (4,000.00 kg.ha-1 90 day-1) followed by MF (3,100.00 kg. ha-1 90 day-1), SP (2,030.00 kg. ha-1 90 day-1) and the lowest in control (CO) sets (390.00 kg. ha-1 90 day-1). The highest yield of fish in vats applied with VC is attributed to its highest manorial value. Keywords : organic manure, vermicompost, mixed fertilizer, plankton, fish production