Factors of the differentiation of the mobility of trace elements in soils

arsenic arsenico carga contaminante charge polluante chaulage chrome chromium cinc cobalt cobalto cobre copper cromo cuivre encalado environmental impact impact sur l'environnement impacto ambiental lead liming manganese manganeso nickel plomb plomo pollutant load procesos de transporte en el suelo soil soil transport processes sol suelo transport dans le sol zinc