Journal of
Soil Science and Environmental Management

  • Abbreviation: J. Soil Sci. Environ. Manage.
  • Language: English
  • ISSN: 2141-2391
  • DOI: 10.5897/JSSEM
  • Start Year: 2010
  • Published Articles: 258

Full Length Research Paper

Impact of pollution by the hydrocarbons on the biological activity of soils in Ouagadougou, Burkina Faso

Pauline W. Kabore-Ouedraogo
  • Pauline W. Kabore-Ouedraogo
  • Centre de Recherche en Sciences Biologiques, Alimentaires et Nutritionnelles, UFR-SVT, Université de Ouagadougou, 03 BP 7131 Ouagadougou 03, Burkina Faso.
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Cheik A. T. Ouattara
  • Cheik A. T. Ouattara
  • Centre de Recherche en Sciences Biologiques, Alimentaires et Nutritionnelles, UFR-SVT, Université de Ouagadougou, 03 BP 7131 Ouagadougou 03, Burkina Faso.
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Aboubacar S. Ouattara
  • Aboubacar S. Ouattara
  • Centre de Recherche en Sciences Biologiques, Alimentaires et Nutritionnelles, UFR-SVT, Université de Ouagadougou, 03 BP 7131 Ouagadougou 03, Burkina Faso.
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Paul W. Savadogo
  • Paul W. Savadogo
  • Laboratoire Sol-Eau-Plante. Institut de l’Environnement et de Recherches Agricoles (INERA). 01 BP 476 Ouagadougou 01. Burkina Faso.
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Alfred S. Traore
  • Alfred S. Traore
  • Centre de Recherche en Sciences Biologiques, Alimentaires et Nutritionnelles, UFR-SVT, Université de Ouagadougou, 03 BP 7131 Ouagadougou 03, Burkina Faso.
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KASSIN Koffi Emmanuel
  • KASSIN Koffi Emmanuel
  • Cacao program of CNRA, Ivorian, PB 808 Divo, Cote d'Ivoire.
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KOUAME Brou
  • KOUAME Brou
  • Water and Soil Suitable Management Program of CNRA, Ivorian, BP 603 Bouaké, Cote d'Ivoire.
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COULIBALY Klotioloma
  • COULIBALY Klotioloma
  • Cacao program of CNRA, Ivorian, PB 808 Divo, Cote d'Ivoire.
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TAHI Gnon Mathias
  • TAHI Gnon Mathias
  • Cacao program of CNRA, Ivorian, PB 808 Divo, Cote d'Ivoire.
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N’GUESSAN Walet Pierre
  • N’GUESSAN Walet Pierre
  • Cacao program of CNRA, Ivorian, PB 808 Divo, Cote d'Ivoire.
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AKA Aka Romain
  • AKA Aka Romain
  • Cacao program of CNRA, Ivorian, PB 808 Divo, Cote d'Ivoire.
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ASSI Marise Evelyne
  • ASSI Marise Evelyne
  • Cacao program of CNRA, Ivorian, PB 808 Divo, Cote d'Ivoire.
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GUIRAUD Brigitte Honorine
  • GUIRAUD Brigitte Honorine
  • Cacao program of CNRA, Ivorian, PB 808 Divo, Cote d'Ivoire.
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KONE Boake
  • KONE Boake
  • Palm oil Program of CNRA, Ivorian, PB 808 Divo, Cote d'Ivoire.
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YAO Guy Fermand
  • YAO Guy Fermand
  • Water and Soil Suitable Management Program of CNRA, Ivorian, BP 603 Bouaké, Cote d'Ivoire.
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  •  Received: 04 February 2018
  •  Accepted: 07 September 2018
  •  Published: 30 November 2018

Abstract

The microbial activity estimated by respirometry test method made it possible to measure the quantity of CO2 produced per day, from four soils polluted at different degrees by hydrocarbons. These samples have been wet to 2/3 of their maximal capacity of retention and incubated at 30°C for 30 days. The quantity of CO2 released and measured shows a high value (83.97 mg/100 g of soils against 36.05 mg/100 g of soils) in soils highly polluted by hydrocarbons treated without cow dung. We get higher values (148.98 mg/100 g of polluted soils against 66.52 mg/100 g of not contaminated soils) when the cow dung is used as a ferment. The total aerobic mesophilic flora in the samples of soils has been counted on the nutritive agar. The result is that the total aerobic mesophilic flora varied from 1×104 Colony Forming Unit (CFU) to 50 × 104 CFU before treatment and from 5×104 CFU to 420×104 CFU after 30 days of treatment. During the treatment of the soils, the bacteria and molds microflora increases with time while yeasts disappear progressively.

Key words: Respirometry, microorganisms, contaminated soils, hydrocarbons.