Sustainability of homegarden agroforestry system of upland farmers in West Visayas State University Labunao, Iloilo, Philippines
2006
Tutor, J.A.A., Philippines Univ, Los Banos, College, Laguna (Philippines)
The study was conducted in West Visayas State University reservation, Lambunao, Iloilo from January to December 2004. It aimed to determine the sustainability of homegarden agroforestry system of upland farmers in WVSu reservation. Seventy six respondents were identified using 30 percent stratified random sampling to determine the homegardens' species composition, management practices and production. Four homegardens were identified to characterize species diversity, soil properties, erosion, throughfull, interception and light intensity. The homegardens were characterized by a four canopy layers and high species diversity. The respondents' management practices were simple. Activities were done by one to four persons, usually less than one hour per activity. Majority of the activities were done by the family member. The average annual production value of the respondents harvest was P8,309.94 derived mostly from agricultural and perenni al crops. Bulk density, particle density and moisture content of the soil were lower inside homegarden compared to the soil in open area. Percent porosity, organic matter, nitrogen, phosphorous, potassium, and soil pH were higher inside the homegarden than soil in open area at 0-15 cm and 16-30 cm. Litterfall collected was 6.9 tons per hectare and erosion rate was 5.10 ton per hectare. Light intensity successively declines from different canopy level at different time of the day. Throughfall collected was 71.17% while stemflow was 1.08% of the total rainfall. The homegarden agroforestry system of the upland farmers at WVSU reservation was found to be a sustainable practice.
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