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International Journal of Agricultural Policy and Research
ISSN 2350-1561
Vol.4 (1), pp 1-6, January 2016
Available online at https://www.journalissues.org/IJAPR/
DOI:http://dx.doi.org/10.15739/IJAPR.016.001
Article 16/ID/JPR96/6/ pages
Author(s) agree that this article remain permanently open access under the terms of the Creative Commons Attribution License 4.0 International License.



Original Research Article

Short term impact of tillage and fertility management on Lixisol structural degradation

Idriss Serme *1,2, Korodjouma Ouattara1, Badiori Ouattara1 and Sibiri Jean Baptisse Taonda1

1Institut de L’Environnement et de Recherches Agricoles (INERA), Burkina Faso
2Department of Crop and Soil Sciences, Faculty of Agriculture Kwame Nkrumah University of Science and Technology (KNUST), Ghana.

* Corresponding Author Email: sermeidriss(at)yahoo.fr
Tel. +226 70 23 21 98



date Received: November 27, 2015     date Accepted: January 7, 2016     date Published: January 22, 2016


 Abstract

Soil degradation is recognized as a serious constraint to crop production in sub-Saharan Africa. A study was conducted in Nadion, located in the South Sudan zone of Burkina Faso to assess the impact of no-till, tied ridging; ripping and conventional tillage combined with soil fertility management options on Lixisol structural stability after two years of treatments imposition. The fertility management options were control, 2.5 Mg ha-1 of compost every year, 100 kg ha-1 of NPK + 50 kg ha-1 of Urea, mulching (100 % crop residues applied) and 2.5 Mg ha-1 of compost + 100 kg ha-1 of NPK + 50 kg ha-1 of Urea. The results showed that soil structural stability index (StI) tended to decrease under ripping, tied ridging and conventional tillage practices after two years. The application of organic amendments by improving soil organic carbon storage, tend to improve soil structural stability.


Key words: Fertility management, lixisol, structural stability, tillage


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