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This study modeled the introduction of new early cultivars of millet and cowpea, higher cowpea densities, and various fertilization strategies. Model results were then compared with farmer behaviour before and after the availability of these new technologies. The model correctly identified the tw...


Shapiro, Barry I.Sanders, J.H.Reddy, K.C.Baker, T.G.[Evaluating and adapting new technologies in a high-risk agricultural system - Niger]Evaluating and adapting new technologies in a high-risk agricultural system - Niger

The study examined the adoption rate of New Rice for Africa (NERICA), technical efficiency differentials of production of these varieties between adopters and non-adopters and the determinants. It further analysed the impact of adoption of NERICA on area cultivated, output, yield, expenditure and...


Obayelu, A.E.Adeoti, J.O.Dontsop Nguezet, Paul M.[Technical efficiency and impact evaluation differentials between the adopters and non-adopters of Nerica in the six baseline states in Nigeria]Technical efficiency and impact evaluation differentials between the adopters and non-adopters of Nerica in the six baseline states in Nigeria

Theories of agrarian change in Africa normally treat agricultural intensification as a linear unidirectional process that gradually engulfs entire agrarian systems as human population increases. Focusing on soil management practices, this paper disputes the alleged uniformity of intensification a...


Crowley, E.L.Carter, Simon E.[Agrarian change and the changing relationships between toil and soil in Maragoli, Western Kenya (1900-1994)]Agrarian change and the changing relationships between toil and soil in Maragoli, Western Kenya (1900-1994)

Canavalia brasiliensis (canavalia), a drought tolerant legume, was introduced into the smallholder traditional crop-livestock production system of the Nicaraguan hillsides as green manure to improve soil fertility or as forage during the dry season for improving milk production. Since nitrogen (N...


Douxchamps, SabineHumbert, FLHoek, Rein van derMena Urbina, Martin A.Bernasconi, SSchmidt, ARao, Idupulapati M.Frossard, EmmanuelOberson, Astrid[Nitrogen balances in farmers fields under alternative uses of a cover crop legume: a case study from Nicaragua]Nitrogen balances in farmers fields under alternative uses of a cover crop legume: a case study from Nicaragua

Video can be effectively used to provide information to small scale farmers. However, its effectiveness to enhance access to and use of information depends on certain organizational, social, economic and technical factors. This cross-sectional study assessed these organizational, social, economic...


Karubanga, G.Kibwika, P.Sseguya, H.Okry, F.[Access to and use of video-mediated agricultural information: lessons from the case of Sasakawa global 2000 rice videos in Uganda]Access to and use of video-mediated agricultural information: lessons from the case of Sasakawa global 2000 rice videos in Uganda
Epper, Carole A.Paul, Birthe K.Burra, Dharani DharPhengsavanh, PhonepaseuthRitzema, Randall S.Syfongxay, SaysomphengGroot, Jeroen C.J.Six, JohanFrossard, EmmanuelOberson, AstridDouxchamps, Sabine[Nutrient flows and intensification options for smallholder farmers of the Lao uplands]Nutrient flows and intensification options for smallholder farmers of the Lao uplands

L’agriculture dans la région des Grands Lacs a longtemps pâti de l’insécurité, de la dégradation de l’environnement et du manque d’investissement. La plupart des Congolais, Burundais et Rwandais sont démunis de tout et l’insécurité alimentaire y règne en maitre. Il était primordial de mettre en p...


Schagen, B. van[La recherche pour l'agriculture des Grands Lacs]La recherche pour l'agriculture des Grands Lacs

Two projects on alley cropping research and development have been implemented in the Forest zone of Cameroon (FZC) since 1988. Their goal was to identify the main agricultural constraints in the FZC and to introduce alley cropping in the farming systems to improve soil fertility and crop yields. ...


Tonye, J.Duguma, B.Tiki-Manga, T.[Stepwise approach to alley cropping technology development and transfer in the forest zone of Cameroon]Stepwise approach to alley cropping technology development and transfer in the forest zone of Cameroon
Perez, LissetRios, David A.Giraldo Mendez, Diana CarolinaTwyman, JenniferBlundo Canto, Genowefa M.Prager, Steven D.Ramírez Villegas, Julián[Determinants of vulnerability of bean growing households to climate variability in Colombia]Determinants of vulnerability of bean growing households to climate variability in Colombia

Summarises the results of a study on the traditional methods of butter making-conducted to determine the efficiency of the process and the quality of butter produced. Reports on initial experiments carried out to devise improved methods of butter making.


O'Mahony, F.Bekele, E.[La fabrication du beurre en Ethiopie: techniques traditionnelles et perpectives d'ameliorations]La fabrication du beurre en Ethiopie: techniques traditionnelles et perpectives d'ameliorations

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