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    The challenge of improving soil fertility in yam cropping systems of West Africa

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    U17ArtFrossardChallengeInthomDev.pdf (428.6Kb)
    Date
    2017
    Author
    Frossard, Emmanuel
    Aighewi, B.A.
    Aké, S.
    Barjolle, D.
    Baumann, P.
    Bernet, T.
    Daouda, D.
    Diby, L.
    Floquet, A.
    Hgaza, V.K.
    Ilboudo, L.J.
    Kiba, Delwendé I.
    Mongbo, R.L.
    Nacro, H.B.
    Nicolay, G.L.
    Oka, E.
    Ouattara, F.Y.
    Pouya, N.
    Six, Johan
    Traoré, I.O.
    Type
    Journal Article
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Yam (Dioscorea spp.) is a tuber crop grown for food security, income generation, and traditional medicine. This crop has a high cultural value for some of the groups growing it. Most of the production comes from West Africa where the increased demand has been covered by enlarging cultivated surfaces while the mean yield remained around 10 t tuber ha−1. In West Africa, yam is traditionally cultivated without input as the first crop after a long-term fallow as it is considered to require a high soil fertility. African soils, however, are being more and more degraded. The aims of this review were to show the importance of soil fertility for yam, discuss barriers that might limit the adoption of integrated soil fertility management (ISFM) in yam-based systems in West Africa, present the concept of innovation platforms (IPs) as a tool to foster collaboration between actors for designing innovations in yam-based systems and provide recommendations for future research. This review shows that the development of sustainable, feasible, and acceptable soil management innovations for yam requires research to be conducted in interdisciplinary teams including natural and social sciences and in a transdisciplinary manner involving relevant actors from the problem definition, to the co-design of soil management innovations, the evaluation of research results, their communication and their implementation. Finally, this research should be conducted in diverse biophysical and socio-economic settings to develop generic rules on soil/plant relationships in yam as affected by soil management and on how to adjust the innovation supply to specific contexts.
    http://dx.doi.org/10.3389/fpls.2017.01953
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/2264
    Digital Object Identifier (DOI)
    http://dx.doi.org/10.3389/fpls.2017.01953
    IITA Subjects
    Farming Systems; Integrated Soil Fertility Management; Plant Production; Soil Fertility; Soil Information; Yam
    Agrovoc Terms
    Dioscorea; Soil Fertility; Innovation Platforms; Interdisciplinarity; Transdisciplinarity; Integrated Soil Fertility Management; Cropping Systems; Yams
    Regions
    Africa; West Africa
    Countries
    Benin
    Journals
    Frontiers in Plant Science
    Collections
    • Journal and Journal Articles5283
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