DETERMINISME DE LA STABILITE STRUCTURALE DES SOLS CULTIVES DE LA ZONE COTONNIERE OUEST DU BURKINA FASO

A synchronic diagnosis analysis was conducted to evaluate cultivated soil structural status in the western cotton cultivating area of Burkina Faso. Soils from 101 plots were sampled from the surface layers (0-15 cm), based on a typology of major cropping systems (shifting, cyclic, continuous cultiva...

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Bibliographic Details
Published in:African crop science journal 2017-08, Vol.25 (3)
Main Authors: Ouattara, B, Ouattara, K, Coulibaly, P.J.A, Lompo, F, Yao-Kouamé, A, Sédogo, M.P
Format: Article
Language:fre
Subjects:
Aggregates
Agrégats
calcium
iron oxyhydroxides
jachère naturelle
matière organique
natural fallow
organic matter
oxyhydroxides de fer
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Summary:A synchronic diagnosis analysis was conducted to evaluate cultivated soil structural status in the western cotton cultivating area of Burkina Faso. Soils from 101 plots were sampled from the surface layers (0-15 cm), based on a typology of major cropping systems (shifting, cyclic, continuous cultivation) and tillage intensity (occasional, biennial, annual ploughing). Laboratory analyses were performed on soil water stable aggregates, clay, polycations and organic components content. Soil organic components were significantly influenced by the cropping systems. Organic carbon extracted with hot water explained 35% (P
ISSN:1021-9730