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Journal Article 1995

Autor: Williams, Timothy O. Powell, J.M. Fernández Rivera, S.

Animal manure is of vital importance in maintaining soil fertility in semiarid west Africa due to the low level of use of inorganic fertilizer. Using data from Niger however, it is shown that insufficient animals are available to provide the manure needed to sustain crop yields on a long-term bas...

Enlace original: https://cgspace.cgiar.org/handle/10568/29323

Investigación en Agricultura
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Williams, Timothy O. ,  Powell, J.M. ,  Fernández Rivera, S. ,  [Soil fertility maintenance and food crop production in semi-arid West Africa: Is reliance on manure a sustainable strategy?] ,  Soil fertility maintenance and food crop production in semi-arid West Africa: Is reliance on manure a sustainable strategy?
Journal Article 1995

Autor: Williams, Timothy O. Powell, J.M. Fernández Rivera, S.

Despite its vital role in supporting crop production, a key question that has often been posed is whether sufficient amounts of manure are available to permit adequate food production and improvement of soil quality on a long-term basis. While this question can be addressed at a regional, nationa...

Enlace original: https://cgspace.cgiar.org/handle/10568/29547

Investigación en Agricultura
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Williams, Timothy O. ,  Powell, J.M. ,  Fernández Rivera, S. ,  [Manure availability in relation to sustainable food crop production in semi-arid West Africa: Evidence from Niger] ,  Manure availability in relation to sustainable food crop production in semi-arid West Africa: Evidence from Niger
Report 1992

Autor: Williams, Timothy O.

This paper presents a framework for economic analysis of smallholder agroforestry systems in the Sahel of West Africa. The approach developed makes use of the technique of investment analysis, but incorporates into it a framework that recognizes the special features of some agroforestry costs and...

Enlace original: https://cgspace.cgiar.org/handle/10568/50089

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Williams, Timothy O. ,  [A framework for economic evaluation of smallholder agroforestry: With particular reference to the semi-arid zone of West Africa] ,  A framework for economic evaluation of smallholder agroforestry: With particular reference to the semi-arid zone of West Africa
Journal Article 1999

Autor: Williams, Timothy O.

Animal manure is one of the principal sources of nutrients for soil fertility maintenance and crop production in semi-arid west Africa. Farm-level decisions concerning the use of manure are governed by socioeconomic and institutional factors, as much as they are by agronomic ecological concerns. ...

Enlace original: https://cgspace.cgiar.org/handle/10568/33085

Investigación en Agricultura
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Williams, Timothy O. ,  [Factors influencing manure application by farmers in semi-arid West Africa] ,  Factors influencing manure application by farmers in semi-arid West Africa
Conference Paper 2004

Autor: Williams, Timothy O. Fernández Rivera, S.

This paper demonstrates the usefulness and importance of an holistic approach in analysing complex production systems. It determines the optimum stocking rate and species mix that will maximise profit and compare this with the biological optimum stocking rate and species mix and; the effects of o...

Enlace original: https://cgspace.cgiar.org/handle/10568/49857

Investigación en Agricultura
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Williams, Timothy O. ,  Fernández Rivera, S. ,  [Economic Analysis of mixed grazing by sheep and goats in a semi-arid environment] ,  Economic Analysis of mixed grazing by sheep and goats in a semi-arid environment
Conference Paper 1997

Autor: Williams, Timothy O. Hiernaux, Pierre H.Y. Fernández Rivera, S. Turner, M.

Mixed farming systems, combining crop and livestock activities, hold considerable promise for improved agricultural productivity and environmental conservation in semi-arid West Africa. Increasing population pressure and climatic changes have combined to render long-fallow periods less feasible a...

Enlace original: https://cgspace.cgiar.org/handle/10568/50805

Investigación en Agricultura
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Williams, Timothy O. ,  Hiernaux, Pierre H.Y. ,  Fernández Rivera, S. ,  Turner, M. ,  [Livestock production and sustainable agricultural Development in semi-arid West Africa] ,  Livestock production and sustainable agricultural Development in semi-arid West Africa
Report 1997

Autor: Williams, Timothy O.

Common pool resources such as rangeland, forests, fallow fields, and ponds provide an array of social and economic benefits for a wide variety of users in semi-arid West Africa. However, poor definition and enforcement of the institutional arrangements governing the use of these resources sometim...

Enlace original: https://cgspace.cgiar.org/handle/10568/50873

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Williams, Timothy O. ,  [Multiple uses of common pool resources in semi-arid West Africa: A survey of existing practices and options for sustainable resource management] ,  Multiple uses of common pool resources in semi-arid West Africa: A survey of existing practices and options for sustainable resource management
Conference Paper 2002

Autor: Williams, Timothy O. Thornton, Philip K. Fernández Rivera, S.

In semi-arid sub-Saharan Africa as in many dryland areas, livestock are an integral part of the farming systems. Livestock offer opportunities for risk coping, farm diversification and intensification and provide significant livelihood benefits to the poor. The ability of livestock systems to con...

Enlace original: https://cgspace.cgiar.org/handle/10568/51257

Investigación en Agricultura
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Williams, Timothy O. ,  Thornton, Philip K. ,  Fernández Rivera, S. ,  [Trends and prospects for livestock systems in the semi-arid tropics of sub-Saharan Africa] ,  Trends and prospects for livestock systems in the semi-arid tropics of sub-Saharan Africa
Conference Paper 1995

Autor: Fernández Rivera, S. Hiernaux, Pierre H.Y. Turner, M. Williams, Timothy O.

In this document ILCA proposes a set of six researchable issues pertaining to ILCA's three research areas that need to be investigated (three broad themes). A brief description of the researchable issues is presented. This includes economic and policy measures to improve the management of natural...

Enlace original: https://cgspace.cgiar.org/handle/10568/50415

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Fernández Rivera, S. ,  Hiernaux, Pierre H.Y. ,  Turner, M. ,  Williams, Timothy O. ,  [Ecological and economic linkages between the arid and semi-arid zones: The role of livestock] ,  Ecological and economic linkages between the arid and semi-arid zones: The role of livestock
Brief 1998

Autor: Williams, Timothy O.

Sustained adoption of animal traction for crop cultivation in the semi-arid zone of West Africa has been slow despite deliberate attempts by governments, development agencies and research organisations to promote its use among small-scale farmers. The low adoption rates are partly due to demand a...

Enlace original: https://cgspace.cgiar.org/handle/10568/49952

Investigación en Agricultura
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Williams, Timothy O. ,  [Problems and prospects in the utilisation of animal traction in semi-arid West Africa: Evidence from Niger] ,  Problems and prospects in the utilisation of animal traction in semi-arid West Africa: Evidence from Niger

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