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Cultivos Tropicales

versão impressa ISSN 0258-5936versão On-line ISSN 1819-4087


FEBLES-GONZALEZ, José Manuel et al. The geological environments in the accumulation of heavy metals in soils of Pinar del Río. cultrop [online]. 2020, vol.41, n.2, e05.  Epub 01-Jun-2020. ISSN 0258-5936.

The research was carried out in the South Plain of the Pinar Río province with the objective of integrally evaluating the geological environments of soil formation and their influence on the processes erosion-sedimentation-contamination by heavy metals (HMs), in localities destined to tobacco crop. To this end, two units with different degrees of intervention were selected: the erosive surface (Consolation of the South unit) and the erosive - cumulative surface (units of Pinar Río, San Juan and Martinez and San Luis). The pedological prospecting work identified four main types of soils. They were at depths of 0-20 cm described and sampled, to characterize the main properties that influence the accumulation of HMs in soils. The analysis carried out indicated that natural conditions do not exert a marked influence on the accumulation and availability of HMs, where the reference values of Cd, Pb, Cu, Zn, Fe, Mn, Ni, Cr and Co are, lower than the standards of quality established for Cuban soils.

Palavras-chave : tobacco; pollution; soil formation; soil degradation.

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