Disclosed are N-(1,3,4-oxadiazole-2-yl)aryl carboxamides of formula (I) or the salts (I) thereof as well as the use thereof as herbicides.N-(1,3,4-oxadiazol-2-il)arilcarboxamidas de la fórmula (I) o sus sales (ver Fórmula) y su utilización como herbicidas.