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Drawing on results of a survey of Ugandan farmers who previously hosted bean (Phaseolus vulgaris L.) varietal trials, this paper reports on the adoption of three new bush bean cultivars and assesses the usefulness of post-trial surveys as a methodology for obtaining reliable early feedback on var...


David, S.Wortmann, Charles S.Kasozi, SMugisha-Mutetikka, M[Using trial follow-up surveys to assess varietal adoption: The case of beans]Using trial follow-up surveys to assess varietal adoption: The case of beans

En épocas de lluvia (mayo de 2006) y de sequía (agosto de 2006), en tres sitios de la zona de ladera de los municipios de Bolívar, Sevilla y El Dovio, se evaluó mediante metodologías participativas el proceso de adaptación de tecnologías forrajeras. Se aplicaron evaluaciones abiertas, absolutas y...


Cárdenas Villarraga, Paula AndreaDurán Castro, Carlos V.Roa Velasco, J.I.[Selección de forrajeras para zona de ladera del norte del Valle del Cauca (Colombia) mediante metodologías participativas = Selection of forages species for hillsides zones of northern part of north of Valle del Cauca (Colombia) by means of participative methodologies]Selección de forrajeras para zona de ladera del norte del Valle del Cauca (Colombia) mediante metodologías participativas = Selection of forages species for hillsides zones of northern part of north of Valle del Cauca (Colombia) by means of participative methodologies

Two sets of on-farm trials, each covering two years, were conducted in the northern Guinea savannah of Nigeria over the period 1999–2001, the objective being to compare integrated Striga hermonthica control measures (soybean or cowpea trap crops followed by maize resistant to Striga) with farmers...


Ellis-Jones, J.Schulz, S.Douthwaite, BoruHussaini, M.A.Oyewole, BDOlanrewaju, ASWhite, R[An assessment of integrated Striga hermonthica control and early adoption by farmers in Northern Nigeria]An assessment of integrated Striga hermonthica control and early adoption by farmers in Northern Nigeria

This paper evaluates the utility of the `learning selection' model of the early adoption process, based on a constructivist conceptual framework, to explain farmers' adoption and rejection of two soil-improving technologies alley farming and the use of Mucuna cover crops. The analysis showed th...


Douthwaite, BoruManyong, Victor M.Keatinge, J.D.H.Chianu, J.N.[The adoption of alley farming and Mucuna : Lessons for research, development and extension]The adoption of alley farming and Mucuna : Lessons for research, development and extension

In order to determine the improved soybean varieties that if recommended to the farmers would have a high probability of adoption, a farmer participatory approach was used to evaluate 12 soybean varieties at full podding in five locations (Oyani, Riana, Kasewe, Akiites, and Mabole) in western Ken...


Chianu, J.N.Vanlauwe, BernardMukulama, JAdesina, A.A.Sanginga, Nteranya[Farmer evaluation of improved soybean varieties being screened in five locations in Kenya : Implications for research and development]Farmer evaluation of improved soybean varieties being screened in five locations in Kenya : Implications for research and development

The early adoption of the legume Arachis pintoi was studied in the State of Caquetá, located in Colombia’s Amazon region. Data came from 174 farmers randomly surveyed within the area of influence of Nestlé, a multinational milk-processing company. In addition, 52 farmers who had already adopted ...


Rivas Ríos, LibardoHolmann, Federico J.[Early adoption of Arachis pintoi in the humid tropics: The case of dual-purpose livestock systems in Caquetá, Colombia]Early adoption of Arachis pintoi in the humid tropics: The case of dual-purpose livestock systems in Caquetá, Colombia

Canavalia ensiformis, Crotalaria grahamiana, Dolichos lablab, Mucuna pruriens, Tephrosia vogellii and Tithonia diversifolia were evaluated as potential species for soil fertility replenishment in on-farm adaptive trials, farm visits and field days in Tororo District, eastern Uganda. Farmers used ...


Nyende, PDelve, Robert J.[Farmer participatory evaluation of legume cover crop and biomass transfer technologies for soil fertility improvement using farmer criteria, preference ranking and logit regression analysis]Farmer participatory evaluation of legume cover crop and biomass transfer technologies for soil fertility improvement using farmer criteria, preference ranking and logit regression analysis

While bush beans ( Phaseolus vulgaris check for this species in other resources L.) have long been the protein staple of Rwandan agriculture, improved climbing beans have been introduced within the last 10 years, enabling farmers to intensify, stabilize and better stagger production. Through a 1...


Sperling, L.Munyanesa, S[Intensifying production among smallholder farmers: The impact of improved climbing beans in Rwanda]Intensifying production among smallholder farmers: The impact of improved climbing beans in Rwanda
Mponela, PowellTamene, LulsegedNdengu, GiftMagreta, RuthKihara, JobMango, Nelson[Determinants of integrated soil fertility management technologies adoption by smallholder farmers in the Chinyanja Triangle of Southern Africa]Determinants of integrated soil fertility management technologies adoption by smallholder farmers in the Chinyanja Triangle of Southern Africa

In the past, adoption of forage technologies has been poor. This paper considers the reasons for this low level of adoption and how the situation has changed in recent years. Experiences, mostly in south-east Asia and some in east Africa, have shown that participatory approaches in the developmen...


Roothaert, Ralph L.Horne, P.Stür, Werner W.[Integrating forage technologies on smallholder farms in the upland tropics]Integrating forage technologies on smallholder farms in the upland tropics

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