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Williams, Timothy O.Mul, Marloes L.Biney, C.A.Smakhtin, Vladimir U.[The Volta River Basin: water for food, economic growth and environment]The Volta River Basin: water for food, economic growth and environment
Kizito, FredWilliams, Timothy O.McCartney, Matthew P.Erkossa, Teklu[Green and blue water dimensions of foreign direct investment in biofuel and food production in West Africa: the case of Ghana and Mali.]Green and blue water dimensions of foreign direct investment in biofuel and food production in West Africa: the case of Ghana and Mali.

This document first describes the main agroecological zone found in sub-Saharan Africa and the environmental constraints to agricultural production inherent in these zones. This is followed by a description of the main agricultural production systems and land use practices. Factors that have cont...


Ehui, Simeon K.Williams, Timothy O.Swallow, B.M.[Economic factors and policies encouraging environmentally detrimental land use practices in sub-Saharan Africa]Economic factors and policies encouraging environmentally detrimental land use practices in sub-Saharan Africa

Night corralling of livestock directly in crop fields during the dry season contributes to nutrient cycling for the benefit of crops. Rangeland grazing and corralling livestock on selected croplands result in a spatial transfer of organic matter and nutrients from rangelands to the corralling sit...


Hiernaux, Pierre H.Y.Fernández Rivera, S.Schlecht, E.Turner, M.Williams, Timothy O.[Livestock-mediated nutrient transfers in Sahelian agro-ecosystems]Livestock-mediated nutrient transfers in Sahelian agro-ecosystems

Growing pearl millet and cowpea in combination with raising ruminant livestock is widely practiced in the Sahel. In this farming system, livestock feeding depends mostly on rangeland, fallows and cropland grazing. Nutritional constraints to grazing ruminants stem primarily from feed scarcity and ...


Fernández Rivera, S.Hiernaux, Pierre H.Y.Williams, Timothy O.Turner, M.Schlecht, E.Salla, A.Ayantunde, Augustine A.Sangare, M.[Nutritional constraints to grazing ruminants in the millet-cowpea- livestock farming system of the Sahel]Nutritional constraints to grazing ruminants in the millet-cowpea- livestock farming system of the Sahel

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