SciELO - Scientific Electronic Library Online

 
vol.11 issue2Soil polluted by waste motor oil: remediation by biostimulationHydroalcoholic extract of Citrus sinensis peel and Pinus patula oil, a bioremediation alternative author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand

Journal

Article

Indicators

Related links

Share


Journal of the Selva Andina Research Society

On-line version ISSN 2072-9294

Abstract

MARQUES-BENAVIDES, Liliana et al. Phaseolus vulgaris in the treatment of agricultural soil contaminated by hydrocarbons. J. Selva Andina Res. Soc. [online]. 2020, vol.11, n.2, pp.94-102. ISSN 2072-9294.

A soil polluted by waste motor oil (WMO) is inhibiting organic matter mineralization and caused losing its fertility. An alternative solution is to enrich soil and a plant to eliminate WMO at concentration value lower than 4400 ppm, maximum value accepted by the Mexican environmental regulation called NOM-138-SEMARNAT/SSA1-2003 (NOM-138). The objective of this research was to treat a soil polluted by 35,000 ppm of WMO with Phaseolus vulgaris inoculated with Azotobacter vinelandii and Paenibacillus polymyxa to reduce the WMO´s concentration at lower value than the maximum accepted by the NOM-138. The variable responses for recovering soil ‘fertility of this experiment was a) the initial and final concentration of WMO by Soxhlet, and b) for P. vulgaris the percentage (%) of germination, the phenology: height of plant, length of root; and biomass: aereal and radical fresh/dry weight at seedlings and reflooring stages. Experimental data were analyzed by Tukey 0.05%. Results showed that soil enriched to facilitate that P. vulgaris with A. vinelandii and P. polymyxa at e-flowering, could reducing ARA until 1152 ppm, lower concentration than the maximum allowed by NOM-138 for recovering soil´s fertility.

Keywords : Soil; hydrocarbons; biostimulation; phytoremediation; rhizobacteria.

        · abstract in Spanish     · text in Spanish     · Spanish ( pdf )

 

Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License