Résultats de la recherche
Showing items 1 through 9 of 814.-
Library ResourceRapports et recherchesdécembre, 1994Burkina Faso, Cameroun, Tchad, Gambie, Mali, Mauritanie, Niger, Nigéria, Sénégal, Afrique occidentale
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Library ResourceRapports et recherchesdécembre, 2001Sénégal, Afrique occidentale
In the Senegal river floodplain, irrigated agriculture and traditional flood recession crops (mainly sorghum) coexist. The latter depends upon the extent of the annual flood, which is partly a function of the amount of water released from the upstream Manantali reservoir. Even though recession sorghum yield is clearly smaller than that of irrigated rice, this production system, because it covers a large area, is a major contributor to total food production in Podor and Matam departments. It is therefore important to quantify areas and yields.
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Library ResourceArticles et Livresdécembre, 2012Burkina Faso, Éthiopie, Ghana, Kenya, Malawi, Mali, Zimbabwe, Mozambique, Niger, Nigéria, Somalie, Afrique du Sud, République-Unie de Tanzanie, Ouganda, Zambie, Afrique, Afrique sub-saharienne
Traditionally, the spread and extent of human settlement beyond the major riparian zones of Sub-Saharan Africa (SSA) and across many other arid regions of the world, has been determined by availability of groundwater supplies, accessed through hand-dug wells andsprings. In more recent times, groundwater is the preferred means of supplying water to meet the growing demand of the rural, dispersed communities and the small urban towns across SSA.
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Library ResourceArticles et Livresdécembre, 2012Burkina Faso, Éthiopie, Ghana, Kenya, Malawi, Mali, Mozambique, Niger, Nigéria, Somalie, Afrique du Sud, République-Unie de Tanzanie, Ouganda, Zambie, Zimbabwe, Afrique
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