Undergraduate in Agronomic Engineering from the Escola Superior de Agricultura Luiz de Queiroz (ESALQ) from the Universidade de S達o Paulo (USP) in 1984. Specialization Course in Rubber Production at the Universidade Federal Rural da Amaz担nia in 1985. Specialization in Sustainable Agriculture Production at the University of Newcastle Upon Tyne, England, in 1993. Master of Sciences in Agronomic Engineering, also from ESALQ/USP in 1993. Doctorate in Geosciences and Environment from the Instituto de Geoci棚ncias e Ci棚ncias Exatas (IGCE) of Universidade Estadual Paulista (UNESP), in 1999. Certificate in Virtual Education from Simon Fraser University, Canada, in 2006 and specialization course i