Enhanced heavy metal immobilization by a bacterial-chitosan complex in soil

amendement du sol bacillus subtilis bioremediation carbohidratos carbohydrates chitin chitine cinc cobre copper cuivre enmiendas del suelo glucide heavy metals immobilisation immobilization lead lutte antipollution metales pesados plomb plomo polimeros pollution control polymere polymers procesos de transporte en el suelo quitina soil soil amendments soil transport processes sol sorption suelo textural soil types tipos texturales de suelos transport dans le sol type de sol textural zinc