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Journal of the Selva Andina Research Society

On-line version ISSN 2072-9294


JUAREZ-CISNEROS, Gladys; HERNANDEZ-ESCARENO, Jaime Jesús; NEVAREZ-MOORILLION, Guadalupe Virginia  and  SANCHEZ-YANEZ, Juan Manuel. Biostimulation of soil polluted 10000 ppm of waste motor oil and phytoremediation with Cicer arietinum improved by Bacillus cereus/Rhizobium etli. J. Selva Andina Res. Soc. [online]. 2016, vol.7, n.2, pp.66-74. ISSN 2072-9294.

Soil pollution by waste motor oil (WMO) is reducing its productivity. An alternative for removing WMO from soil is by biostimulation (BIS) applying animal manure and then phytoremediation (PR) by legume improving with plant growth promoting bacteria (PGPB) to reduce WMO concentration at level below 4400 ppm limit permit for the NOM-138-SEMARNAT/SSA1-2012 (NOM-138). The aims of this research were: i) to analyze soil biostimulation polluted by 10000 ppm of WMO applying vermicompost, then subsequent soil phytoremediation with Cicer arietinum inoculated by Bacillus cereus and/or Rhizobium etli. In soil after applying BS by VC was measured WMO soil concentration and ii) for PR was regarded phenology and biomass of C. arietinum and WMO concentration remaining at the end of this step. The results showed that soil biostimulated by VC, WMO was reduced at 1370 ppm, subsequent PR sowing C. arietinum with R. etli, WMR was reduced at 30 ppm concentration both values below to maximum value accepted by NOM-138. Those data indicate that in soil polluted by WMO the best way to biorecovery soil was to integrate strategy BS/PR the last one improved by genus of PGPB.

Keywords : WMO; minerals; phytodegradation; PGPB; mineralization.

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