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Gracilaria rhodophyta farming in panay western visayas philippines

, : Gracilaria rhodophyta farming in panay western visayas philippines. Aquaculture 105(3-4): 233-240

Interviews were conducted among eight Gracilaria growers in Panay, Western Visayas, Philippines from March to July 1990 using a structured questionnaire. The "rice planting" method was employed by farmers growing seaweeds in natural drainage canals and ponds. Initial harvests are made 15-60 days after planting. Higher production [7-14 t (dry) ha-1 year-1] are obtained from cultures in canals than in ponds [3-4 t (dry) ha-1 year-1]. The net income derived from culture in ponds is estimated at 698 Philippine pesos/crop or 6313 Philippine pesos/year (US$234/year). A higher net income of 4936 Philippine pesos/crop or 41 766 Philippine pesos/year (US$1547/year) was generated from Gracilaria farming in canals. Returns on investment (ROI) from farming in ponds and canals are 39% and 908%, respectively. Payback period is 2 months in canal farming and 1.8 years in pond farming.


DOI: 10.1016/0044-8486(92)90089-4

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