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Practice and Economics of Freshwater Prawn Farming in Seasonally Saline Rice Field in Bangladesh. | ||
| Mesopotamian Journal of Marine Science | ||
| Article 1, Volume 26, Issue 1, 2011, Pages 69-78 PDF (0 K) | ||
| Authors | ||
| S.S. Islam; M.A. Rahman; A.F.Md. Hasanuzzaman | ||
| Abstract | ||
| Abstract - This paper evaluates the production pattern and economics of freshwater prawn (Macrobrachium rosenbergii) farming in seasonally saline rice fields in Bangladesh. The reconnaissance survey was conducted on 30 rice-prawn ghers (RPG) in south-west region of Bangladesh. The farmers were found to use their rice fields for farming prawn and rice (aman) concurrently from April/May to January, and for only rice (boro) from January to April. In the RPG farming system, farmers use rain water during wet season, and underground water with salinity of 1-5 ‰ during dry season. The average production of prawn, aman, and boro was recorded as 439.79±90.46, 3155.48±397.33, 4778.54±389.37 kg/ha/yr, respectively. The economic analysis show potentially good return, and the net return and benefit-cost ratio were US$ 1078.35 and 1.25, respectively. The payback period was determined as 9.37 years. The study implies that the culture of prawn in seasonally saline paddy field is economically viable. | ||
| Keywords | ||
| Rice; prawn gher system; Macrobrachium rosenbergii; aman; boro; salinity; economics | ||
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