estado mundial de la agricultura y de la alimentación, 1963

abonos agricultural development agricultural policies agricultural products comercio internacional commerce international consommation alimentaire consumer prices consumo de alimentos credit credito demand demanda demande economic analysis economic sectors engrais existencias de alimentos exportaciones exportation exports farm income fertilizers food consumption food production food stocks food supply importaciones importation imports international trade monde mundo national planning planification nationale plant response politique agricole precio al consumidor precio al productor producer prices production production alimentaire productividad productivity produit agricole revenu de l'exploitation stock alimentaire suministro de alimentos world yields