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Journal of the Selva Andina Research Society

versión On-line ISSN 2072-9294


RODRIGUEZ-HIGAREDA, Alejandra et al. Biostimulation of soil impacted by waste residual oil and phytoremediation by phytoremediation by Phaseolus vulgaris with Micromonospora echinospora and Streptomyces griseus. J. Selva Andina Res. Soc. [online]. 2019, vol.10, n.1, pp.37-44. ISSN 2072-9294.

Abstract Soil impacted by 85000 ppm of waste residual oil (WRO), mixture of aliphatic and aromatic hydrocarbons, and a concentration that according to NOM-138-SEMARNAT/SSA1-2003 (NOM-138) exceeds the máximum limit of 4400 ppm, consequently, any higher valué inhibits mineralization of organic matter and causes loss of soil fertility. An alternative solution for this problem may be biostimulation (BIS) and phytoremediation (PHYTO) that reduce the WRO to a valué lowerthan the máximum established for this nom. The aims ofthis work were: a) BIS of soil impacted by 85000 ppm of WRO, b) PHYTO by P. vulgaris with M. echinospora and/or S. griseus in the decrease of the WRO to the lowest máximum valué recognized by NOM-138. In the BIS, the variable-response was the initial and final concentration of WRO during the PHYTOP. vulgaris was planted through the phenology: plant height and root length; and biomass: fresh and dry aerial and radical weight to seedling. The experimental data were analyzed by ANOVA/Tukey HSDP <0.05% with the statistical program Statgraphics Centurión. The results indicated that the BIS of the soil by 85000 of WRO decreased it to 29000 ppm in 150 days, in the PHYTO by P. vulgaris with M. echinospora and/or S. griseus decreased it to 1492 ppm in 180 days. It is concluded that the BIS/PHYTO soil contaminated by a relatively high concentration of ARA, it was the altemative to solve this environmental problem.

Palabras clave : Soil; WRO; mineral solution; P. vulgaris; M. echinospora; S. griseus; NOM-138.

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