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The attainment of food and water security rank high on the agendas of governments in the Middle East and North Africa (MENA) region and sub-Saharan Africa (SSA). Although the objectives are similar, the underlying drivers, resource endowments and opportunities for achieving them are different. Di...


Williams, Timothy O.[Reconciling food and water security objectives of MENA [Middle East and North Africa] and sub-Saharan Africa: is there a role for large-scale agricultural investments?]Reconciling food and water security objectives of MENA [Middle East and North Africa] and sub-Saharan Africa: is there a role for large-scale agricultural investments?

Large-scale agricultural land investments in Africa are often considered solely from the land perspective. Yet land, water and other natural resources are closely interlinked in agricultural production and in sustaining rural livelihoods. Such investments involving irrigation will potentially hav...


Sidibe, Y.Williams, Timothy O.[Agricultural land investments and water management in the office du Niger, Mali: options for improved water pricing]Agricultural land investments and water management in the office du Niger, Mali: options for improved water pricing

The attainment of food and water security rank high on the agendas of governments in the Middle East and North Africa (MENA) region and sub-Saharan Africa (SSA). Although the objectives are similar, the underlying drivers, resource endowments and opportunities for achieving them are different. Di...


Williams, Timothy O.[Reconciling food and water security objectives of MENA [Middle East and North Africa] and sub-Saharan Africa: is there a role for large-scale agricultural investments?]Reconciling food and water security objectives of MENA [Middle East and North Africa] and sub-Saharan Africa: is there a role for large-scale agricultural investments?

A study was undertaken to determine the effectiveness of a progesterone-releasing intravaginal device (PRID) and prostaglandin F2 alpha (PGF2a) in synchronizing oestrus in N'dama and Bunaji cows and heifers and the fertility following artificial insemination at the synchronized oestrus. A total o...


Voh, A.A.Larbi, AsamoahOlorunju, S.A.S.Agyemang, K.Abiola, B.D.Williams, Timothy O.[Fertility of N'dama and Bunaji cattle to artificial insemination following oestrus synchronization with PRID and PGF2a in the hot humid zone of Nigeria]Fertility of N'dama and Bunaji cattle to artificial insemination following oestrus synchronization with PRID and PGF2a in the hot humid zone of Nigeria

A survey was conducted from February to June of 1997 among livestock herders in two villages of Niger, Kodey and Toukounous, on their perceptions, practice, and problems of night grazing. Cattle and sheep were the species that were taken out for night grazing by the herders. Small herd size an...


Ayantunde, Augustine A.Williams, Timothy O.Udo, H.M.J.Fernández Rivera, S.Hiernaux, Pierre H.Y.Keulen, H. van[Herders' perceptions, practice, and problems of night grazing in the Sahel: Case studies from Niger]Herders' perceptions, practice, and problems of night grazing in the Sahel: Case studies from Niger

Crop-livestock integration (CLI) to improve natural resource management for increased productivity is evolving in Nigeria and West Africa. Processes in the evolution and factors that influence it still need to be well understood. This article proposes and tests a new framework for measuring the m...


Manyong, Victor M.Okike, I.Williams, Timothy O.[Effective dimensionality and factors affecting crop-livestock integration in West African savannas: A combination of principal component analysis and Tobit approaches]Effective dimensionality and factors affecting crop-livestock integration in West African savannas: A combination of principal component analysis and Tobit approaches

Land degradation is a major challenge limiting crop production in Ethiopia. Integrated soil and water conservation is widely applied as a means to reverse the trend and increase productivity. This study investigated the effects of such integrated approaches at two sites, Jeldu and Diga, in Wester...


Erkossa, TekluWilliams, Timothy O.Laekemariam, F.[Integrated soil, water and agronomic management effects on crop productivity and selected soil properties in Western Ethiopia]Integrated soil, water and agronomic management effects on crop productivity and selected soil properties in Western Ethiopia

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