estado mundial de la agricultura y de la alimentación, 1955

achat agricultural development compra consommateur consommation alimentaire consumers consumidores consumo de alimentos desarrollo forestal desarrollo pesquero domestic markets farm income fisheries development food consumption food production forestry development mercado interior mercados mundiales monde mundo natural resources oferta y demanda offre et demande precios prices prix production production alimentaire production data purchasing recursos naturales ressource naturelle revenu de l'exploitation supply balance technologie technology tecnologia world world markets