Title: Milkfish (Bangus) Production Part 2 Post by: nemo on August 03, 2008, 09:32:03 PM Pond preparation and food requirements
1. Carry out thorough pond preparation such as crack drying, liming and tilling once a year. 2. Prepare the ponds grown with lab-lab before fish stocking. 3. Apply organic and inorganic fertilizer to stimulate growth of natural food organisms. 4. Extend pond preparation and food growing in grow-out ponds to 45 days to allow more time for the abundant growth of lab-lab. Schedule pond preparation and food growing ACTIVITIES CUMULATIVE DAYS FOR COMPLETION OF ACTIVITIES 1 Pond draining, soil sealing, leveling and repair. 1 2. Pond drying. 2-7 3. Gate screening 2 4. Pest and predator control 2 5. liming (optional for low pH) 2 6. Washing 7 7. Organic fertilization (2 tons/ha) 8 8. First water intake, 5 cm 8 9. Evaporation 8-17 10. Inorganic fertilization 3 sacks/ha 21-0-0 11 11. second water intake, 10 cm 18 12. fertilizer dressing, 25 kg/ha 16-20-0 18 13. third water intake 14 cm 25 14. Fertilizer dressing, 25kg/ha, 46-0-0 25 15. Fourth water intake, 20 cm 32 16. fertilizer dressing 25kg/ha 16-20-0 17. fifth water intake, 25 cm 39 18. Fertilizer dressing 25kg/ha, 16-20-0 39 19. sixth water intake, 30 cm 45 20 fish stocking 46 source: Semi intensive culture of milkfish brochure , DA |