Resultados de búsqueda - Spencer, D.S.

Farming systems research strategy for the development of inland valleys for increased food production in West Africa por Spencer, D.

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Collecting meaningful data on labour use in onfarm trials in subSaharan Africa por Spencer, D.

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Farming systems research strategy for the development of inland valleys for increased food production in West Africa por Spencer, D.

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Institutionalizing the farming systems perspective in multicommodity research institute: the role of systemsbased research groups por Spencer, D.

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Collecting meaningful data on labor use and farm size for economic analysis associated with onfarm trials in subSaharan African por Spencer, D.S.C.

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Future prospects for cassava root yield in sub Saharan Africa por Nweke, F., Spencer, D.

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The technology adoption process in subsistence agriculture: the case of cassava in southwestern Nigeria por Polson, R., Spencer, D.

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Measuring the sustainability and economic viability of tropical farming systems: a model from subSaharan Africa por Ehui, Simeon K., Spencer, D.

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Indices for measuring the sustainability and economic viability of farming systems: RCMP research monograph, No. 3 por Ehui, Simeon K., Spencer, D.

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Biological nitrogen fixation and sustainability of tropical agriculture por Mulongoy, K., Gueye, M., Spencer, D.

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IITA and ILCA onfarm alley farming research: lessons for extension workers por Whittome, M.P., Spencer, D., Bayliss-Smith, T.

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Cropping systems and agroeconomic performance of improved cassava in a humid forest ecosystem: RCMP Research monograph, No. 2 por Nweke, F.I., Ezumah, H., Spencer, D.S.

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Labour use and productivity in new fallow systems as alternatives to slashandburn agriculture in the derived savannas of Nigeria por Chianu, Jonas N., Spencer, D.S.C., Atobatele, J.T.

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Economic analysis of soil erosion effects in alley cropping. No-till and bush fallow systems in south west Nigeria por Ehui, Simeon K., Kang, B.T., Spencer, D.S.C.

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Development strategies for West Africa por Ehui, Simeon K., Benin, Samuel, Spencer, D.S.C.

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The cassava transformation: Africas bestkept secret por Nweke, F., Spencer, D.S.C., Lynam, John K.

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Economic analysis of cutandcarry, and alley cropping systems of mulch production for plantains in southeastern Nigeria por Ruhigwa, B., Gichuru, M., Spencer, D., Swennen, Rony L.

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