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Results from a 1997 survey of 208 households in the humid forest zone of southern Cameroon indicate that African policy makers seeking to intensify agricultural production should focus attention on the horticultural sub-sector. The survey, which gathered information on horticultural production pr...


Gockowski, J.Ndoumbe, M.[The adoption of intensive monocrop horticulture in southern Cameroon]The adoption of intensive monocrop horticulture in southern Cameroon

This paper uses survey data to examine the technical efficiency and productivity potential of cocoa farmers in West and Central Africa. Separate stochastic frontier models are estimated for farmers in Cameroon, Ghana, Nigeria, and Côte d’Ivoire, along with a stochastic metaproduction frontier to ...


Binam, Joachim N.Gockowski, J.Nkamleu, G.B.[Technical efficiency and productivity potential of cocoa farmers in West African countries]Technical efficiency and productivity potential of cocoa farmers in West African countries

L’urbanisation rapide associée à la stagnation économique, le sous-développement des transports et l’inefficacité du système de commercialisation des produits agricoles ont augmenté l’importance de l’agriculture périurbaine sur l’emploi et la sécurité alimentaire à Yaoundé. L’agriculture périurba...


Dongmo, T.Gockowski, J.Hernández, S.Awono, L.Moudon, M.[Lagriculture periurbaine a Yaounde: ses rapports avec le reduction de la pauvrete, le developpement economique, la conservation de la biodiversite et de lenvironnement]Lagriculture periurbaine a Yaounde: ses rapports avec le reduction de la pauvrete, le developpement economique, la conservation de la biodiversite et de lenvironnement

Ecoregional research has the potential to help address some of the huge challenges facing agriculture in developing countries by developing technologies that work under different agro-ecological conditions, and the processes by which these technologies can be adapted to work in other areas with s...


Douthwaite, BoruBaker, DerekWeise, S.F.Gockowski, J.Manyong, Victor M.Keatinge, J.D.H.[Ecoregional research in Africa: learning lessons from IITAs benchmark area approach]Ecoregional research in Africa: learning lessons from IITAs benchmark area approach

Over 5 years of participatory on-farm research, market access, profitability, farming systems productivity and economic sustainability were compared on 100 small-scale farms in Central Cameroon. Integration technology based on the use of agricultural by-products as fishpond inputs was the driver ...


Brummett, R.E.Gockowski, J.Pouomogne, V.Muir, J.[Targeting agricultural research and extension for food security and poverty alleviation: a case study of fish farming in Central Cameroon]Targeting agricultural research and extension for food security and poverty alleviation: a case study of fish farming in Central Cameroon

A survey aimed at collecting information on practices and constraints in the production of cassava (Manihot esculenta Crantz) chips, a transformed cassava product obtained through fermentation and drying of its fresh roots was carried out in 45 villages located in three geographical regions (Yaou...


Essono , G.G.Ayodele, M.Foko, J.Akoa, A.Gockowski, J.Ambang, Z.Bell, J.M.Bekolo, N.[Farmers perceptions of practices and constraints in cassava (Manihot esculenta Crantz) chips production in rural Cameroon]Farmers perceptions of practices and constraints in cassava (Manihot esculenta Crantz) chips production in rural Cameroon

A survey was carried out to monitor during a two-month period the incidence of Aspergillus in samples of stored cassava chips traditionally produced in southern Cameroon. Seventy-two samples associated with two forms of chips (cassava balls and cassava pellets) were collected in two locations (Ya...


Essono , G.G.Ayodele, M.Akoa, A.Foko , J.Olembo, S.Gockowski, J.[Aspergillus species of cassava chips in storage in rural areas of southern Cameroon: their relationship with storage duration, moisture content, and processing methods.]Aspergillus species of cassava chips in storage in rural areas of southern Cameroon: their relationship with storage duration, moisture content, and processing methods.

A questionnaire-based survey study was carried out during a 3 month period, from January to April 1998, in 45 villages belonging to three locations (Yaoundé, Mbalmayo, and Ebolowa) of southern Cameroon. The survey was aimed at collecting constraints and processing practices related information fr...


Essono , G.G.Ayodele, M.Akoa, A.Foko, J.Gockowski, J.Olembo, S.[Cassava production and processing characteristics in southern Cameroon: an analysis of factors causing variations in practices between farmers using Principal Component Analysis (PCA)]Cassava production and processing characteristics in southern Cameroon: an analysis of factors causing variations in practices between farmers using Principal Component Analysis (PCA)

Ecoregional research has the potential to help address some of the huge challenges facing agriculture in developing countries by developing technologies that work under different agro-ecological conditions, and the processes by which these technologies can be adapted to work in other areas with s...


Douthwaite, BoruBaker, DerekWeise, S.F.Gockowski, J.Manyong, Victor M.Keatinge, J.D.H.[Ecoregional research in Africa : Learning lessons from IITA´s benchmark area approach]Ecoregional research in Africa : Learning lessons from IITA´s benchmark area approach

The Guinean rain forest (GRF) of West Africa, identified over 20 years ago as a global biodiversity hotspot, had reduced to 113,000 km2 at the start of the new millennium which was 18% of its original area. The principal driver of this environmental change has been the expansion of extensive smal...


Gockowski, J.Sonwa, D.J.[Cocoa intensification scenarios and their predicted impact on CO2 emissions, biodiversity conservation, and rural livelihoods in the Guinea rain forest of West Africa]Cocoa intensification scenarios and their predicted impact on CO2 emissions, biodiversity conservation, and rural livelihoods in the Guinea rain forest of West Africa

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