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Revista Boliviana de Química
On-line version ISSN 0250-5460
Abstract
CHAMBI, Lourdes J.; ORSAG, Vladimir and NIURA, Amalia. EVALUACION DE LA PRESENCIA DE METALES PESADOS Y ARSÉNICO EN SUELOS AGRICOLAS Y CULTIVOS EN TRES MICRO-CUENCAS DEL MUNICIPIO DE POOPÓ. Rev. Bol. Quim [online]. 2012, vol.29, n.1, pp.111-119. ISSN 0250-5460.
ABSTRACT The purpose of this study was to determine the presence of heavy metals (Pb, Cd, Zn) and As in agricultural soils and representative cultivations in three Micro-basins of the municipality of the Poopó divided in parts (high, half and under). The results show that the agricultural soils of the three Micro-basins in study are contaminated by arsenic, overcoming the dangerous level of (55 mg/kg soil), for natural mineralización of the area as for the contribution of the surrounding mining in the region (dismount, copagira waters tosed to the bleakness and the rivers), situation that deserves an immediate remediation, for can to avoid the intensity of accumulation. The bean cultivations and potato eatable fraction present tendencies of accumulating bigger quantity of arsenic, ending up in some cases to overcome the máximum content in cultivations (1,7 sample mg/kg).
Keywords : Metales Pesados; suelos agrícolas y cultivos; contaminación; municipio de Poopó Bolivia.