DAP 6600.0 6600.0 6600.0 Urea 16875.0 1875.0 1875.0 1875.0 Total 175924.9 179787.8 ±9.2b ±4652.9b ±9160.7a ±9567.6a Gross Revenue Fish production (kg/ha) 1460.8 3521.4 2933.4 3930.6 ± 299.2b ±814.8a ±334.1ab ±630.3a Gross revenue (NRs./ha) 292124.8 704259.9 586662.0 786135.8 ±59876.5b ±162978.5a ±401168.0ab ±436139.7a Net return (NRs./ha) 203314.8 612022.8 410737.1 606348.0 ±158823.9a ±128319.3a Benefit-cost ratio 3.3±0.6b 7.4±1.3a 3.3±0.3b 4.5±0.8b Figure 1. Growth of Nile tilapia in cages in different treatments during the experimental period. T2 = tilapia-carps integration and T4 = tilapia-catfish-carps integration system. Figure 2. Growth of African catfish in in different treatments during the experimental period. T3 = catfish-carps integration and T4 = tilapia-catfish-carps integration system. BRACKISHWATER POLYCULTURE OF TILAPIA WITH MILKFISH IN ACEH, INDONESIA Hasanuddin and Michael Rimmer POLYCULTURE OF TILAPIA AND SEAWEEDS IN CRAB PONDS IN INDONESIA AND THAILAND May Myat Noe LWIN
DAP 6600.0 6600.0 6600.0 Urea 16875.0 1875.0 1875.0 1875.0 Total ±9.2b ±4652.9b 175924.9 ±9160.7a 179787.8 ±9567.6a Gross Revenue Fish production (kg/ha) 1460.8 ± 299.2b 3521.4 ±814.8a 2933.4 ±334.1ab 3930.6 ±630.3a Gross revenue (NRs./ha) 292124.8 ±59876.5b 704259.9 ±162978.5a 586662.0 ±401168.0ab 786135.8 ±436139.7a Net return (NRs./ha) 203314.8 612022.8 ±158823.9a 410737.1 606348.0 ±128319.3a Benefit-cost ratio 3.3±0.6b 7.4±1.3a 3.3±0.3b 4.5±0.8b Figure 1. Growth of Nile tilapia in cages in different treatments during the experimental period. T2 = tilapia-carps integration and T4 = tilapia-catfish-carps integration system. Figure 2. Growth of African catfish in in different treatments during the experimental period. T3 = catfish-carps integration and T4 = tilapia-catfish-carps integration system. BRACKISHWATER POLYCULTURE OF TILAPIA WITH MILKFISH IN ACEH, INDONESIA Hasanuddin and Michael Rimmer POLYCULTURE OF TILAPIA AND SEAWEEDS IN CRAB PONDS IN INDONESIA AND THAILAND May Myat Noe LWIN
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