檢索結果 - "Irrigation efficiency Philippines"

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  1. 1

    Constraints opportunities and options in irrigation development 由 David, Wilfredo P.

    出版 2000
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  2. 2

    Report on the DSE follow-up seminar on irrigation development in the Philippines.

    出版 1999
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  3. 3

    On-farm water development and management for pilot project areas in the Bicol River Basin, Luzon Island, Philippines

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  4. 4

    Input demand, output supply, and efficiency of rice farms in Nueva Ecija 由 Dela Cruz, Alma Trinidad

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