Dangos 1 - 3 canlyniadau o 3 ar gyfer chwilio 'European Commission on Agriculture. Working Party on Water Resources and Irrigation', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1
    Drainage of heavy soils /
    Llyfr
    Cyhoeddwyd 1971
    “.... Working Party on Water Resources and Irrigation...”
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
  2. 2
    Drainage of salty soils /
    Llyfr
    Cyhoeddwyd 1973
    “...European Commission on Agriculture. Working Party on Water Resources and Irrigation...”
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
  3. 3
    Automated irrigation /
    Llyfr
    Cyhoeddwyd 1971
    “...European Commission on Agriculture. Working Party on Water Resources and Irrigation...”
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
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