VI Jornadas del Grupo de Fertilización «Hacia una fertilización responsable» International Interdisciplinary Conference on Land Use and Water Quality 19 th Nitrogen Workshop 7th International Nitrogen Initiative Conference (INI 2016) The Nitrogen Nutrition of Plants-Nitrogen 2016 XVI Simposio Hispano-Luso de Nutrición Mineral de las Plantas (Nutri Planta 2016) The European Mineral Fertilizer Summit 2016 VIII International Symposium on Mineral Nutrition of Fruits Crops 24th International Symposium of the Scientific Centre for Fertilizers CICS 2016 – VII Congresso Ibérico das Ciências…