spectacle (2) Soils (2) Oxides (2) Migration, Internal (2) Soils (2) profil du sol (1) sol (1) sable (1) particule (1) nickel (1) plomb (1) karst (1) fer (1) enrichissement (1) effet (1) drainage (1) distribution (1) cobalt (1) argile (1) adsorption (1) ordre (1) matière organique (1) index (1) cadmium (1) Dynamics (1) Development (1) Area (1) Observations (1) Observations (1) Minerals (1)