Dangos 1 - 3 canlyniadau o 3 ar gyfer chwilio '', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1

    Optimum size in objective yield estimation [microform] gan Flores, Quintin G.

    Cyhoeddwyd 1974
    Visual Material

    Optimum size in objective yield estimation [microform]
  2. 2

    Rice fertilization a six-year isotope study on nitrogen and phosphorus fertilizer utilization gan International Atomic Energy Agency

    Cyhoeddwyd 1970
    Llyfr

    Rice fertilization a six-year isotope study on nitrogen and phosphorus fertilizer utilization
  3. 3

    The Masagana/Margate system of planting rice: a study of an agricultural innovation gan Covar, Prospero R

    Cyhoeddwyd 1960
    Llyfr

    The Masagana/Margate system of planting rice: a study of an agricultural innovation

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