The state of food and agriculture, 1961

agricultural policies agricultural products comercio internacional commerce international consommateur consommation alimentaire consumers consumidores consumo de alimentos credit credito demand demanda demande economic sectors education existencias de alimentos extension extension activities farm income food consumption food production food stocks food supply international trade land reform monde mundo national planning planification nationale politique agricole precio al productor producer prices production production alimentaire produit agricole recherche reforma de la tenencia de la tierra research revenu de l'exploitation stock alimentaire suministro de alimentos vulgarisation world