SEARCH Articles Figures Tables Chemical Speciation of Metals in the Top-soil and Subsoil Layers Density of the fill mass and subsoil Resistance against liquefaction Growing crops on subsoils and mine spoils Problematic subsoils Soils subsoil and Special fill materials and problematic subsoils Stiffness of subsoil Subsoil horizons Subsoil permeability Subsoil structures Subsoil water Subsoils aggregation Subsoils characteristics Subsoils nutrients Subsoils root penetration Vibrating subsoilers