Improvement in physical quality of a Sahelian Arenosol and implications on millet yield

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dc.contributor.authorGarba Maman
dc.contributor.authorLogah Vincent
dc.contributor.authorWildemeersch Jasmien
dc.contributor.authorMahaman Sabiou
dc.contributor.authorYadji Guéro
dc.contributor.authorQuansah Charles
dc.contributor.authorBonsu Mensah
dc.contributor.authorCornelis Wim
dc.contributor.authorAbaidoo R. C
dc.date.accessioned2023-12-12T09:41:22Z
dc.date.available2023-12-12T09:41:22Z
dc.date.issued2015
dc.descriptionThis article is Published by Taylor & Francis, 2015 and is also available at http://dx.doi.org/10.1080/03650340.2015.1104414
dc.description.abstractPoor soil fertility remains a threat to crop production and livelihoods in the Sahel. Understanding the impacts of proposed soil fertility manage ment technologies on soil fertility status and millet yield is essential. We conducted a 2-year experiment to assess changes in selected physical properties of an Arenosol and their impacts on millet yields at Karabedji, Niger. Treatments consisted of four fertilizer rates applied on top and bottom farm types selected from a long-term experiment. Mixed-model analyses indicated considerable effects (P = 0.055) of fertilizer rates and farm types on soil structural stability being higher in the top farm than in the bottom farm type. Dexter’s soil physical quality index (S) varied significantly with soil depth. A significant correlation (R2 = 0.24) was found between the aggregate stability index and S. Plant available water recorded in fertilizer-treated soil was higher than the control and higher on the top farm than in the bottom farm. Fertilizer rates and farm types influenced millet yields. Moreover, we obtained positive relation ships between millet yield and soil aggregate stability, and plant avail able water, thereby elucidating the significant role played by soil physical properties in influencing crop yields. S can be a simple way for assessing the physical quality of Sahelian sandy soil.
dc.description.sponsorshipKNUST
dc.identifier.citationARCHIVES OF AGRONOMY AND SOIL SCIENCE, 2016 VOL. 62, NO. 7, 947–962
dc.identifier.uri10.1080/03650340.2015.1104414
dc.identifier.urihttps://ir.knust.edu.gh/handle/123456789/14790
dc.language.isoen
dc.publisherTaylor & Francis
dc.titleImprovement in physical quality of a Sahelian Arenosol and implications on millet yield
dc.typeArticle
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