Effect of Sewage Effluent and Sludge on the Transformation of Organic Nitrogen in Sewage-Fed Fish Pond Soil

Department of Agricultural Chemistry and Soil Science, Bidhan Chandra Krishi Viswa Vidyalaya, Mohanpur, Nadia, West Bengal, 741252.

Present addresses: * Central Institute of Freshwater Aquaculture, Kausalyaganga, Bhubaneswar, Orissa, 751 002.