Rice-fish culture for improved productivity of rice farmers
2002
Beringuel, A.P. | Mueva, D.E. | Barcala, D.P. Jr | Guevarra, A.F. (Local Government Units, Tacloban, Leyte (Philippines))
The introduced technology provided bigger gross benefit and net return compared to the traditional rice farming. The addition of fish production as a source of income proved more advantageous. There was a significant increase in the number of farmer-adoptors from 14 in November 1999 to 65 in May 2000. Farmers observed less damage due to weeds and pests because fish fed on these organisms when irrigation water was maintained at 20 cm depth. The excavation of a deeper trench at 1-1.5 m depth with the water level maintained at 1 m depth minimized fish mortality caused by fish-eating predators such as grass lizards, white herons, and other bird predators. One farmer-cooperator was able to save one bag of organic fertilizer by submerging the harvested rice field in water until all stubbles were decayed and decomposed before plowing the field three weeks thereafter, in preparation for the next cropping season
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