The influence of land use on nitrogen and sulfur turnover: a microbial approach Yolanda Espín, Guillermo Sanz, Nicolás Valiente, Alfonso Menchén, Beatriz Toledo, Manuel Álvarez-Ortí, Susana Seseña and Juan José Gómez-Alday E3S Web Conf., 98 (2019) 06004 Published online: 07 June 2019 DOI: 10.1051/e3sconf/20199806004