Renato Campello Cordeiro¹, Gabriel Souza Martins², Bruno Turcq³, Ioanna Bouloubassi⁴, Daiana Fontes², Philip A Meyers⁵, Luciane Silva Moreira¹, Renato de Aragão Ribeiro Rodrigues⁶, Mercedes Mendes⁷, Abdelfettah Sifeddine² and Hermann Behling⁸, (1)Universidade Federal Fluminense, Niteroi, Brazil, (2)UFF Federal Fluminense University, Niteroi, Brazil, (3)IRD, Bondy, France, (4)LOCEAN, University P. M. Curie, Paris, Cedex 05, France, (5)Univ Michigan, Ann Arbor, MI, United States, (6)EMBRAPA Brazilian Agricultural Research Corportation, Embrapa Solos, Rio de Janeiro, Brazil, (7)Institut de recherche pour le développement, Bondy, France, (8)University of Göttingen, Göttingen, Germany