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In the farming systems approach to technology development, trials are carried out on a limited number of farmers’ fields. Results of these trials are extrapolated to the entire target area and used either to identify directions for further research or to develop recommendations for farmers. Extra...


Smith, J.Walker, P.Oyewole, B.[Representativeness of farmers and sites in onfarm trials]Representativeness of farmers and sites in onfarm trials
Autor: Smith, J.

A meeting was held of social scientists from the International Agriculture Research Centers (IARCs) of the Consultative Group on International Agricultural Research (CGIAR), at the International Service for National Agricultural Research (ISNAR) in the Hague, Netherlands, in August 1992. The meet...


Smith, J.[New challenge confronting social scientists in IARCs with ecoregional mandates]New challenge confronting social scientists in IARCs with ecoregional mandates
James, P.A.Smart, J.C.Smith, J.Beed, Fen D.Luwandagga, D.Kehinde, A.L[Quantifying African farmers willingness to adapt]Quantifying African farmers willingness to adapt

The request for this training was initiated by L’Institut des Sciences Agronomiques du Burundi(ISABU), who invited IITA to provide tuition and materials for the production and use of semiselectivemedia for banana Xanthomonas wilt (*see box below). ISABU wanted to create the capacity toindependent...


Beed, Fen D.Fiaboe, K.K.M.Boa, E.Smith, J.[Plant pathology activities supported by CIALCA]Plant pathology activities supported by CIALCA

Frontier areas in Latin America have been characterized by land speculation, abandonment and exploitation. This paper analyzes a frontier cattle ranching area in the savanna where intensification has occurred in spite of land speculation. A whole farm livestock production model is used to quantif...


Smith, J.Cadavid Herrera, JVRincón Castillo, A.Vera, Raúl R.[Land speculation and intensification at the frontier: a seeming paradox in the Colombian savanna]Land speculation and intensification at the frontier: a seeming paradox in the Colombian savanna

Xanthomonas campestris pv. musacearum (Xcm) causes a disease onbanana (Musa spp.) and enset (Ensete spp.) known as banana xanthomonaswilt (BXW). Recent studies have shown that Xcm is a strain of X. vasicola(Aritua et al., 2008). However, the status of pathovars within thespecies remains unclear. ...


Carter, B.A.Reeder, R.Mgenzi, S.RMwangi, M.Aritua, ValentineSmith, J.Beed, Fen D.Kinyua, Z.M.Nakato, V.Miller, S.Mbaka, J.N.Doyle, K.Lewis Ivey, M.L.[Identification of Xanthomonas vasicola (formerly X. campestris pv. musacearum), causative organism of banana xanthomonas wilt, in Tanzania, Kenya and Burundi]Identification of Xanthomonas vasicola (formerly X. campestris pv. musacearum), causative organism of banana xanthomonas wilt, in Tanzania, Kenya and Burundi

Nakatudde, P.Dione, Michel M.Roesel, KristinaKawuma, BrianBrandes-van Dorresteijn, D.Smith, J.[Parasite control in pigs: Uganda smallholder pig value chain capacity development training manual]Parasite control in pigs: Uganda smallholder pig value chain capacity development training manual

Birungi, RosemirtaOuma, Emily A.Brandes-van Dorresteijn, D.Kawuma, BrianSmith, J.[Pig marketing and institutional strengthening: Uganda smallholder pig value chain capacity development training manual]Pig marketing and institutional strengthening: Uganda smallholder pig value chain capacity development training manual
Beed, Fen D.Fiaboe, K.K.M.Nakato, V.Smith, J.Boa, E.Kumar, L.García, L.Miller, S.[Disease surveillance in Great Lakes Region]Disease surveillance in Great Lakes Region

Agricultural intensification in West Africa is at an early stage and the process is taking place through various pathways. Population pressure and market access are generally considered as major factors driving intensification and crop-livestock interaction. In this paper both ecology and economi...


Okike, I.Jabbar, M.Manyong, Victor M.Smith, J.[Ecological and socioeconomic factors affecting agricultural intensification in the West African savannas: evidence from northern Nigeria]Ecological and socioeconomic factors affecting agricultural intensification in the West African savannas: evidence from northern Nigeria

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