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URI permanente para esta comunidadhttp://hdl.handle.net/123456789/2
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17 resultados
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Ítem Market access, intensification and productivity of Common bean in Ethiopia: a microeconomic analysisKatungi, E; Horna, D; Gebeyehu, S; Sperling, L.Ítem A new approach for facilitating farmers´ access to bean seedRubyogo, Jean-Claude; Sperling, L.; Assefa, T.Ítem Participatory plant breeding with traders and farmers for white pea bean in Ethiopia(Informa UK Limited) Assefa, T.; Sperling, L.; Dagne, B; Argaw, W; Tessema, D; Beebe, Stephen E.Ítem Conference Sur le Lancement des Varietes, la Production, et la Distribution des Semences de Haricot dans la Region des Grands Lacs (1989, Goma, Zaire). Actes(International Center for Tropical Agriculture) Sperling, L.; Nahimana, MÍtem Public-private sector partnerships : The power of small seed packs for reaching 100,000s of kenyan bean farmers(Pan-Africa Bean Research Alliance) Rubyogo, Jean-Claude; Sperling, L.; Karanja, D.R.; Seward, P.D.; Leakey, L.Ítem Technical and institutional issues in participatory plant breeding-from the perspective of formal plant breeding: a global analysis of issues, results, and current experienceWeltzien, Eva; Smith, M.E.; Meitzner, LS; Sperling, L.Ítem Breeding to meet farmers` needs(Southern Africa Development Coordination Conference (SADCC)) Sperling, L.Ítem Discussion et recommandations: aspects agronomiques et socio-économiques de la sélection et des mélanges variétaux(International Center for Tropical Agriculture) Scheidegger, Urs C.; Sperling, L.Ítem The use of informal seed producer groups for diffusing root-rot resistant varieties during periods of acute stress(International Center for Tropical Agriculture) Otsyina, R.M.; Rachier, Gideon O.; Ambitsi, N.; Juma, R; Ndiya, C; Buruchara, Robin Arani; Sperling, L.Ítem Designing bean seed systems for smallholdersSperling, L.; Scheidegger, Urs C.; Buruchara, Robin Arani