annual – Valle d'Aosta / Vallée d'Aoste (ITC2) – plant nutrients contained in fertilizers by region and by hectare of area fit for being fertilized - kilograms – all items – macronutrients - potassium oxide – All countries of the world – total – total [A.ITC2.ELEM_NUTR_HETT_KG.ALL.MCRNT_OX_POTAS.WORLD.ALL.9]