Dr. Maria do Carmo Horta is Agronomist from the University of Lisbon, Portugal and graduate as Msc in 1992 by the same University. She joined the research group of Prof. José Torrent at the University of Córdoba, Spain and obtain her European PhD. in 2005. She is Professor of Soil Science at the Polytechnic Institute of Castelo Branco, Portugal. Her research areas are the sustainable use of fertilizers and organic amendments to improve soil fertility and crop productivity. She has published more than 110 research papers in international and national journals.