Improvement of minerally deficient and phytotoxic dump soils

acid soils agentes nocivos agricultural lime amendement du sol anthropogenic soil types arcilla azufre bentonita bentonite calcium carbonate carbonate carbonate de calcium carbonates carbonato de calcio carbonatos chaux agricole chemical soil types chemistry chimie chimie du sol clay desechos elements enmiendas del suelo environment environnement facteur nuisible fitotoxicidad growing media injurious factors inorganic compounds medio ambiente medio de cultivo medios de enraizamiento milieu d'enracinement no metales nonmetals phytotoxicity reclaimed soils rooting media sales salts sel site factors soil amendments soil chemistry soil toxicity soil types sol acide solid wastes soufre substrat de culture sulphur toxicidad del suelo type de sol type de sol chimique wastes