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Upland rice cultivars for improved acid upland rice-based farming systems

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Baseline surveys at IRRI’s key research site for acid upland rice-based farming systems in Claveria, Mindanao, indicated that upland rice-based patterns were less widespread than maize-based patterns. This was attributed to a number of unique constraints associated with upland rice production, including late-maturing cultivars that prevented production of a succeeding crop. Cultivar evaluations of elite upland rice breeding materials were conducted to identify promising cultivars adapted to the acidic (pH
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    Tion M; Garrity D P N; Mercado Jr A R




    upland rice, farming systems, cropping patterns, oryza sativa, zea mays



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