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Journal Article 1993

Autor: Shapiro, Barry I. Sanders, J.H. Reddy, K.C. Baker, T.G.

This study modeled the introduction of new early cultivars of millet and cowpea, higher cowpea densities, and various fertilization strategies. Model results were then compared with farmer behaviour before and after the availability of these new technologies. The model correctly identified the tw...

Enlace original: https://cgspace.cgiar.org/handle/10568/28092

Investigación en Agricultura
Enlace permanente
Shapiro, Barry I. ,  Sanders, J.H. ,  Reddy, K.C. ,  Baker, T.G. ,  [Evaluating and adapting new technologies in a high-risk agricultural system - Niger] ,  Evaluating and adapting new technologies in a high-risk agricultural system - Niger
Journal Article 1996

Autor: Yirga, C. Shapiro, Barry I. Demeke, M.

A study was conducted in two woredas, Addis Alem and Wolmera, to investigate (1) the level of farmers' awareness and adoption of recommended and demonstrated technologies; (2) the extent and intensity to which farmers have adopted these technologies; and (3) the objective and subjective factors a...

Enlace original: https://cgspace.cgiar.org/handle/10568/28501

Investigación en Agricultura
Enlace permanente
Yirga, C. ,  Shapiro, Barry I. ,  Demeke, M. ,  [Factors influencing adoption of new wheat techniques in Wolmera and Addis Alem areas of Ethiopia] ,  Factors influencing adoption of new wheat techniques in Wolmera and Addis Alem areas of Ethiopia
Journal Article 1998

Autor: Shapiro, Barry I. Sanders, J.H.

In semiarid West Africa, inorganic fertilizer use and sustainability objectives are complementary. With increasing population pressure and low levels of purchased inputs, crop yields in many regions are declining. Moderate use of inorganic fertilizer is required for increasing yields in a sustain...

Enlace original: https://cgspace.cgiar.org/handle/10568/28100

Investigación en Agricultura
Enlace permanente
Shapiro, Barry I. ,  Sanders, J.H. ,  [Fertilizer use in semiarid West Africa: Profitability and supporting policy] ,  Fertilizer use in semiarid West Africa: Profitability and supporting policy
Brief 1998

Autor: Shapiro, Barry I. Sanders, J.H.

An important debate is currently under way among researchers and policy makers about the relative merits of using organic versus inorganic fertilisers to improve soil fertility in semi-arid areas of sub-Saharan Africa. Environmentalists argue that use of inorganic fertiliser contributes to natura...

Enlace original: https://cgspace.cgiar.org/handle/10568/50076

Investigación en Agricultura
Enlace permanente

Shapiro, Barry I. ,  Sanders, J.H. ,  [Livestock Policy Analysis Brief no. 9 . Fertiliser use in semi-arid West Africa: Profitability and supporting policy] ,  Livestock Policy Analysis Brief no. 9 . Fertiliser use in semi-arid West Africa: Profitability and supporting policy

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