检索结果 - Bautista, Elmer G.

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  1. 1

    Technical and socioeconomic evaluation of a ride-on tillage implement for the hand tractor 由 Bautista, Elmer G.

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  2. 2

    Analysis of the Energy for Different Rice Production Systems in the Philippines 由 Bautista, Elmer G.

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  3. 3

    Improving Filipino rice farmers' competitiveness through mechanization 由 Bautista, Elmer G.

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  4. 4

    Effect of wet land preparation period on weed density and grain yield of transplanted lowland rice 由 Samoy-Pascual, Kristine

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