Aislamiento e identificación de diez cepas bacterianas desnitrificantes a partir de un suelo agrícola contaminado con abonos nitrogenados proveniente de una finca productora de cebolla en la Laguna de Tota, Boyacá, Colombia

Joaquín L. Benavides López de Mesa; Gladys M. Quintero; Olga Lucía Ostos Ortiz

doi:10.22490/24629448.360

Vol. 4 No. 6 (2006)

Published 2006-12-15

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Research Article (before OJS)

Isolation and Identification of Ten Bacterial Denitrifying Stocks From a Planting Soil Contaminated With Nitrogen Rich Fertilizer From an Onion Farm in Laguna de Tota, Boyacá, Colombia

DOI: https://doi.org/10.22490/24629448.360

Joaquín L. Benavides López de Mesa Universidad de La Salle

Gladys M. Quintero Universidad de La Salle

Olga Lucía Ostos Ortiz Universidad Colegio Mayor de Cundinamarca

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Abstract
References

This article presents the results of the adaptative versatility and tolerance of a bacterial consortium made up of 10 bacterial stocks endemic to a contaminated soil coming from an onion farm located near Laguna de Tota, Aquitania, Boyacá, Colombia. This soil has been exposed to the uncontrolled use of nitrogen rich fertilizers. The bacterial consortium from the soil is made up of Bacillus megaterium, Bacillus licheniformis, Pseudomonas stutzeri, Acinetobacter sp, Propionibacterium sp, Peptoestreptococcus sp, coagulasa negative sthaphylococci, Corynebacterium sp, Clostridium sp, and Actinomyces sp. It was demonstrated that the isolated microorganisms have in vitro denitrifying capabilities, thus transforming nitrates to molecular nitrogen. The isolated bacterial association constitutes a bioremediation alternative to recover the soil that has been contaminated by the excess of nitrogen rich fertilizers.

keywords: ammonium, biodegradation, denitrification, fertility agents, nitrates, urea.

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Benavides López de Mesa, J. L., Quintero, G. M., & Ostos Ortiz, O. L. (2006). Isolation and Identification of Ten Bacterial Denitrifying Stocks From a Planting Soil Contaminated With Nitrogen Rich Fertilizer From an Onion Farm in Laguna de Tota, Boyacá, Colombia. NOVA Biomedical Sciences Journal, 4(6), 50-54. https://doi.org/10.22490/24629448.360

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Isolation and Identification of Ten Bacterial Denitrifying Stocks From a Planting Soil Contaminated With Nitrogen Rich Fertilizer From an Onion Farm in Laguna de Tota, Boyacá, Colombia

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