Particle size distribution and mineralogy of Brazilian Ferralsols: Significance for the structure and hydraulic properties.

Adriana Reatto-Braga (1, 2) , E.M. Silva (2) , Ary Bruand (1) , E.S. Martins (2) , Isabelle Cousin (3) , Michel Brossard (4)

1 ISTO - Institut des Sciences de la Terre d'Orléans
2 EMBRAPA CERRADOS - EMBRAPA Cerrados
3 Unité de Science du Sol
4 VALPEDO - Actualisation et valorisation des données pédologiques tropicales et méditerranéennes. Contributions à la recherche, à l'expertise et à l'aide à la gestion des ressources

The Cerrados Biome is one of the major regions of Brazil with 24% of the Brazilian territory (204.106 ha). It is mainly located in the center of Brazil and corresponds to the whole Central Plateau. About 49% of the soils are Ferralsols and approximately 79.106 ha of these soils are dedicated to agriculture. The main characteristics of Ferralsols are a poor horizonation, a weak development of the macrostructure, and a strong submillimetric granular microstructure.

Domaines: Interfaces continentales, environnement

Adriana Reatto-Braga, E.M. Silva, Ary Bruand, E.S. Martins, Isabelle Cousin, et al.. Particle size distribution and mineralogy of Brazilian Ferralsols: Significance for the structure and hydraulic properties.. 18th World Congress of Soil Science, 2006, Philadelphie, United States. ⟨hal-00079685⟩