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Some experimental observations on the use of activated sludge as fertilizer for fish culture

Gopalakrishnan, V and Srinath, EG (1963) Some experimental observations on the use of activated sludge as fertilizer for fish culture. In: Proceedings of the Indian Academy of Sciences - Section B, 57 (6). pp. 379-388.

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Official URL: http://www.springerlink.com/content/v4151660473341...

Abstract

Experiments were conducted in cement cisterns to find out the effect of adding different dosages of activated sludge on fish growth and plankton production. Three dosages of sludge,viz., 62·5 gm., 125 gm. and 250 gm. per 240 litres of water were used. Fingerlings ofCyprinus carpio, Cirrhina mrigala andCatla catla responded positively,C. mrigala showing maximum growth. The results indicate that the sludge has a direct influence on increasing growth of fish and production of plankton due to the release of nutrients into the water. The increase in plankton content stops after about 30 days. When greater quantities of sludge were added in the cisterns, fish mortality took place.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Springer.
Department/Centre: Division of Biological Sciences > Biochemistry
Date Deposited: 02 Jun 2010 06:41
Last Modified: 02 Jun 2010 06:41
URI: http://eprints.iisc.ernet.in/id/eprint/28212

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