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This introductory paper raises general issues and poses questions that are pursued in the other papers. The initial premise of this paper is that impact cannot be discussed in isolation from the broader context of research and development and the overall priorities guiding the centres research, t...


Lipner, M.E.Swallow, B.M.[Questions d'ordre general sur l'evaluation d'impact]Questions d'ordre general sur l'evaluation d'impact

Discusses the role and potential of forage legumes in alley cropping, live mulch and in situ mulch systems in humid and subhumid tropical Africa. Examines forage legume species for alley cropping; nutrient contribution from leguminous trees and shrubs grown in hedgerows, forage legume in situ and...


Mulongoy, K.Kang, B.T.[The role and potential of forage legumes in alley cropping live mulch and rotation systems in humid and subhumid tropical Africa]The role and potential of forage legumes in alley cropping live mulch and rotation systems in humid and subhumid tropical Africa

Samples and extracts of foliage from African multipurpose trees (MPT) were screened for their effects on rumen protozoa and bacteria. The MPT species tested were Acacia aneura, Acacia angustissima, Chamaecytisus palmensis, Brachychiton populneum, Flindersia maculosa, Sesbania sesban, Leucaena leu...


El-Hassan, S.M.Lahlou-Kassi, A.Newbold, C.J.Wallace, R.J.[Antimicrobial factors in African multipurpose trees]Antimicrobial factors in African multipurpose trees

Franco, LHPeters, MichaelSchultze-Kraft, Rainer[Lablab purpureus: una leguminosa multipropósito]Lablab purpureus: una leguminosa multipropósito

Reyes A., César A.Keller-Grein, GerhardPérez, Ricardo C.[Experiencia regional con Centrosema:Perú, Bolivia y Ecuador]Experiencia regional con Centrosema:Perú, Bolivia y Ecuador

Grof, BelaFlores A., Adalberto J.Mendoza M., Pablo E.Pizarro, Esteban A.[Experiencia regional con Centrosema:Norte de América del Sur]Experiencia regional con Centrosema:Norte de América del Sur

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