Evaluation of upland rice production systems of three indigenous communities in Maguindanao province, Philippines
2006
Tong Adzal Abas, Philippines Univ. Los Banos, College, Laguna (Philippines)
The experiment was conducted in Maguindanao, Philippines during WS [wet season] 2005. The main objective of the study is to evaluate the productivity of three traditional upland rice production systems in Maguindanao. The on-farm experiment was laid out in a split-split-split plot in RCBD replicated three times. The main plot treatments (location), sub-plot (variety), sub-sub plot (green leaf manure) and sub-sub-sub plot (production systems). Lack of capital, technical knowledge, variety, weeds and linkages to NGOs [non-government organizations] academic institutions, research institutions and NGOs were the primary factors that affect their productivity. The high grain yield, DMY [dry matter yield], HI [harvest index] and LAI [leaf area index] was obtained in Matanog and is associated with the high-soil organic matter content (5%). Grain yield responds to green leaf manures with grain yields of 3.13 t/ha and 2.88 t/ha using Gliricidia sepium and Arachis pintoi, respectively. Highest grain yield of 2.25 t/ha was recorded in the improved rice production system. Grain yields obtained were higher than the upland rice yields commonly reported.
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