Abstract
Present study relates to the fish growth, optimization and profitable fish production through pond sediment and water resources maps on sustainable basis. ALl blocks of Nadia district of West Bengal comprising of hot moist sub-humid agro-ecological region were thoroughly surveyed and physico-chemical characteristics of pond water and sediments were analysed. Based on the sediment and pond water resources an improved the fertilizer and manure management schedule, as well as maps have been prepared and demonstration of carp polyculture were carried out. All the fish species attained higher growth in the ponds of hot moist sub-humid agro-ecological regions (alluvial soils) following new nutrient management map over control. The average total fish production in experimental and control ponds was 5.184 and 3.095 tonnes/ha/yr, respectively.
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