Dangos 1 - 3 canlyniadau o 3 ar gyfer chwilio '"Field crops Varieties"', amser ymholiad: 0.02e Mireinio'r Canlyniadau
  1. 1

    Involving farmers in crop variety evaluation and selection gan Prain, Gordon

    Cyhoeddwyd 1994
    Llyfr

    Involving farmers in crop variety evaluation and selection
  2. 2

    Agro-information flow at the village level a survey of communication sources in the adoption process of high-yielding varieties of crops.

    Cyhoeddwyd 1968
    Llyfr

    Agro-information flow at the village level a survey of communication sources in the adoption process of high-yielding varieties of crops.
  3. 3

    Field crops in Thailand gan Sato, Takashi 1914-

    Cyhoeddwyd 1966
    Llyfr

    Field crops in Thailand

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