Changes in porosity and microaggregation in clayey Ferralsols of the Brazilian cerrado on clearing for pasture Balbino, L.C. Bruand, A. /Brossard, Michel /Grimaldi, Michel Hajnos, M. Guimaraes, M.F. STRUCTURE DU SOL POROSITE AGREGAT EVOLUTION DES SOLS SOUS CULTURE UTILISATION DU SOL DEFORESTATION PATURAGE SAVANE MICROSTRUCTURE DENSITE APPARENTE TEXTURE DU SOL ACTIVITE BIOLOGIQUE FAUNE DU SOL LOMBRIC TERMITE ARGILE KAOLINITE 2002 text https://www.documentation.ird.fr/hor/fdi:010028979 fdi:010028979 Balbino L.C., Bruand A., Brossard Michel, Grimaldi Michel, Hajnos M., Guimaraes M.F.. Changes in porosity and microaggregation in clayey Ferralsols of the Brazilian cerrado on clearing for pasture. 2002, 53, 219-230 EN BRESIL