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Discusses the role of light aircraft remote sensing methods using examples of different surveys carried out by the Resource Management and Research (RMR) firm in nine African countries and over international waters from 1968 to 1979.


Watson, R.M.Tippet, C.I.[Examples of low-level aerial surveys conducted in Africa from 1968 to 1979: One firm's experience]Examples of low-level aerial surveys conducted in Africa from 1968 to 1979: One firm's experience

Describes the small ruminant production systems in Java, Indonesia and in the humid zone of West Africa. Highlights key feautures of small farm systems which should determine on-farm research design.


Okali, C.Knipscheer, H.C.[Small ruminant production in mixed farming systems: Case studies in research design]Small ruminant production in mixed farming systems: Case studies in research design

Investigates the time of appearance and the persistence of antibodies in N'Dama cattle bitten by infected tsetse flies under controlled conditions, the serology of village animals exposed to natural trypanosomiasis risk and the time of appearance and duration of anti-trypanosomal antibodies throu...


Dwinger, R.H.Grieve, A.S.Jeannin, P.Agyemang, K.Faye, J.[Anti-trypanosomal antibodies in sequentially collected sera of N'Dama cattle under natural trypanosomiasis risk in The Gambia]Anti-trypanosomal antibodies in sequentially collected sera of N'Dama cattle under natural trypanosomiasis risk in The Gambia
Channelière, S.Houwe, I. van denArnaud, ElizabethHorry, J.P.Roux, N.Ruas, M.[Standardized procedure for Musa germplasm characterization]Standardized procedure for Musa germplasm characterization
Motta O, F[Propuesta de una guía de estilo para escritos técnicos: uso interno de la Unidad de Comunicaciones e Información del CIAT]Propuesta de una guía de estilo para escritos técnicos: uso interno de la Unidad de Comunicaciones e Información del CIAT
David, S.[Les diagrammes d impact, outils d évaluation du changement dans le domaine de la recherche agricole]Les diagrammes d impact, outils d évaluation du changement dans le domaine de la recherche agricole
Pineda López, Benjamín[La globalización de los mercados y su efecto en el movimento de fitopatógenos : Caso de las semillas]La globalización de los mercados y su efecto en el movimento de fitopatógenos : Caso de las semillas

Irrigation using untreated wastewater poses health risks to farmers and consumers of crop products, especially vegetables. With hardly any wastewater treatment in Ghana, a multiple-barrier approach was adopted and safe re-use practices were developed through action research involving a number of ...


Keraita, Bernard N.Abaidoo, R.C.Beernaerts, InesKoo-Oshima, SashaAmoah, PhilipDrechsel, PayKonradsen, Flemming[Safe re-use practices in wastewater-irrigated urban vegetable farming in Ghana.]Safe re-use practices in wastewater-irrigated urban vegetable farming in Ghana.

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