GETECMA – Soil Science and Environmental Technologies Group, Department of Agrochemistry and Environment, University Miguel Hernández, Elche, Alicante, Spain
Nicasio T. Jiménez-Morillo
Instituto de Recursos Naturales y Agrobiologia de Sevilla (IRNAS-CSIC), Seville, Spain
Xavier Úbeda
Department of Geography, University of Barcelona, Barcelona, Spain
Diana Vieira
European Commission, Joint Research Centre (JRC), Ispra, Italy