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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
Tuesday 17 September 2019

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Total microbial activity of soils on natural gum groves of Acacia senegal in Niger


Volume 18, Issue 4, December 2016, Pages 1318–1326

 Total microbial activity of soils on natural gum groves of Acacia senegal in Niger

Zoubeirou ALZOUMA MAYAKI1, ABDOU Maman Manssour2, ALOU Abdourahamane3, ASSOUMANE Aichatou4, and ELHADJI SEYBOU Djibo5

1 Université Abdou Moumouni de Niamey, Faculté des Sciences et Techniques, BP. 10662 Niamey, Niger
2 Faculté des Sciences Agronomiques et de l’Environnement, Université de Tillabéri BP : 175 Tillabéri, Niger
3 Faculté des Sciences Agronomiques et de l’Environnement, Département Sciences de L’Environnement et Adaptation au Changement Climatique, Université de Tillabéri, BP : 175 Tillabéri, Niger
4 Département de Biologie, Faculté des Sciences et Techniques, Université Abdou Moumouni BP : 10662 Niamey, Niger
5 Département de Biologie, Faculté des Sciences et Techniques, Université Abdou Moumouni BP : 10662 Niamey, Niger

Original language: English

Received 15 December 2016

Copyright © 2016 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


This research showed positive effect of A. senegal on soils total microbial activity on different sites in Niger. Soils were sampled under and outside A. senegal crown. The depth of soil sampling is 0-25 cm. sites that samples take out are: Azzai, Bader, Malam Maimari, N’Guel kolo, Kokoye and Kiki. Activity was greater on soils under A. senegal crown, than outside crown. Results showed strong correlation between total microbial activity and soils physico-chemical parameters. Correlation was positive on soils with higher clay content, and negative on those with higher sand content. Thus, under A. senegal crown, soils total microbial activity was significantly different between studied sites. Activity on Kiki’s site with value of 5,9 µg/g/h, was twice that obtained at N’Guel kolo. On all sites, total microbial activities on soils outside of A. senegal crown, was either a third lower (Kokoye and N’Guel kolo), or half lower (Kiki, Malam Maimari, Bader and Azzai), than under the crown. A. senegal is legume plant, that can contribute to fertilize and stabilize poor soils. A better valorisation of A. senegal would allow development of agroforestry system in nitrogen deficient soils of the Sahelian zone. Agroforestry practices could increase plant diversity, control soil erosion and sequester organic carbon.

Author Keywords: Acacia senegal, crown, soil, microbial activity, Niger.


How to Cite this Article


Zoubeirou ALZOUMA MAYAKI, ABDOU Maman Manssour, ALOU Abdourahamane, ASSOUMANE Aichatou, and ELHADJI SEYBOU Djibo, “Total microbial activity of soils on natural gum groves of Acacia senegal in Niger,” International Journal of Innovation and Applied Studies, vol. 18, no. 4, pp. 1318–1326, December 2016.