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Journal of Biological Sciences
  Year: 2015 | Volume: 15 | Issue: 3 | Page No.: 124-130
DOI: 10.3923/jbs.2015.124.130
Physicochemical and Microbiological Characterization of a Dry Soil in the Interface Steppe-Saharan Region in Southwest of Algeria
Tadjeddine Nadia, Mederbal Khelladi, Regagba Mohamed, Josa Ramon, Daniella Meyer Allevato and Latigui Amina

Abstract:
The interface region steppe-Saharan, where the study was conducted is pastoral where the main activity is sheep production. The strong anthropological pressure has resulted in a reduction of the plant’s potential, inducing a fragile ecosystem promoting more increased desertification. This work was undertaken in six stations distributed along a north-south transect. The physicochemical analyzes of these stations indicated a skeletal nature of the soil, sandy and limestone with CaCO3 amount greater than 20, a pH ranging from 8.10-8.70 and a water retention capacity between 17.40-36%. The analyzes have also shown that the studied soils are rich in organic matter with a ratio greater than 4%, with a C/N ratio lower than 12. As for microbiological analyzes, they showed a bacterial presence varies that greatly from one station to another predominantly of Pseudomonas sp., Staphylococcus sp., Clostridium sulphite-reducing, Enterobacteria and Streptococci sp.
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How to cite this article:

Tadjeddine Nadia, Mederbal Khelladi, Regagba Mohamed, Josa Ramon, Daniella Meyer Allevato and Latigui Amina, 2015. Physicochemical and Microbiological Characterization of a Dry Soil in the Interface Steppe-Saharan Region in Southwest of Algeria. Journal of Biological Sciences, 15: 124-130.

DOI: 10.3923/jbs.2015.124.130

URL: https://scialert.net/abstract/?doi=jbs.2015.124.130

 
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