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Zingiro, A.Okello, J.J.Guthiga, Paul M.[Assessment of adoption and impact of rainwater harvesting technologies on rural farm household income: the case of rainwater harvesting ponds in Rwanda.]Assessment of adoption and impact of rainwater harvesting technologies on rural farm household income: the case of rainwater harvesting ponds in Rwanda.
Wainaina, P.W.Okello, J.J.Nzuma, J.M.[Blessing or evil? Contract farming, smallholder poultry production and household welfare in Kenya.]Blessing or evil? Contract farming, smallholder poultry production and household welfare in Kenya.

This study used a field experiment and the means-end chain approach to examine the effect of providing information on the biofortification process on consumers' acceptance of orange-fleshed sweetpotato (OFSP). Negative, positive, and neutral information about the biofortification were verbally pr...


Okello, J.J.Lagerkvist, C.J.Muoki, P.Heck, S.Prain, G.[Does information on food production technology affect consumers' acceptance of biofortified foods? Evidence from a field experiment in Kenya.]Does information on food production technology affect consumers' acceptance of biofortified foods? Evidence from a field experiment in Kenya.
Hitayezu, P.Okello, J.J.Obel-Gor, C.[Farm households' participation in rural non-farm employment in post-war Rwanda: Drivers and policy implications.]Farm households' participation in rural non-farm employment in post-war Rwanda: Drivers and policy implications.

Potato yields in sub-Saharan Africa remain very low compared with those of developed countries. Yet potato is major food staple and source of income to the predominantly smallholder growing households in the tropical highlands of this region. A major cause of the low potato yields is the use of p...


Okello, J.J.Zhou, Y.Kwikiriza, N.Ogutu, S.O.Barker, I.Schulte-Geldermann, ElmarAtieno, E.Ahmed, J.T.[Determinants of the use of certified seed potato among smallholder farmers: the case of potato growers in central and eastern Kenya.]Determinants of the use of certified seed potato among smallholder farmers: the case of potato growers in central and eastern Kenya.

Studies suggest that consumer' acceptance of edible insects can be enhanced by processing and blending them with familiar food products. This is however, expected to result in changes in some sensory attributes. In this study, we investigated how consumers evaluate the appropriateness of sensory ...


Pambo, K.O.Okello, J.J.Mbeche, R.M.Kinyuru, J.N.Alemu, M.H.[The role of product information on consumer sensory evaluation, expectations, experiences and emotions of cricket-flour-containing buns]The role of product information on consumer sensory evaluation, expectations, experiences and emotions of cricket-flour-containing buns

This study used a field experiment and means-end chain analysis to examine the effects of positive and perceived negative nutrition information on the households’ motivations to consume insect-based foods. It used a random sample of households drawn from rural communities in Kenya. The study foun...


Pambo, K.O.Okello, J.J.Mbeche, R.M.Kinyuru, J.N.[Exploring the influence of differentiated nutrition information on consumers’ mental models regarding foods from edible insects: A means-end chain analysis]Exploring the influence of differentiated nutrition information on consumers’ mental models regarding foods from edible insects: A means-end chain analysis

Okello, J.J.Sindi, K.Low, J.W.[Consumer perceptions and demand for biofortified sweet potato-based biscuit: The case of Akarabo golden power biscuit in Rwanda.]Consumer perceptions and demand for biofortified sweet potato-based biscuit: The case of Akarabo golden power biscuit in Rwanda.

Potato is a major food staple that makes a significant contribution to food security, having potential to smooth the volatility in food prices resulting from recent episodes of global food price increases. Despite its importance, most potato growers continue to use poor-quality seed, normally obt...


Okello, J.J.Zhou, Y.Schulte-Geldermann, ElmarBarker, I.[Motivations and mental models associated with smallholder farmers’ adoption of improved agricultural technology: Evidence from use of quality seed potato in Kenya]Motivations and mental models associated with smallholder farmers’ adoption of improved agricultural technology: Evidence from use of quality seed potato in Kenya

Background: Potato is a major food crop in the tropical regions of Africa. However, potato yields continue to remain very low in these regions mainly due to use of poor quality seed. The recent development of rapid seed multiplication technique has helped to shorten the duration of certified seed...


Okello, J.J.Zhou, Y.Kwikiriza, N.Ogutu, S.Barker, I.Atieno, E.Ahmed, J.T.Schulte-Geldermann, Elmar[Productivity and food security effects of using of certified seed potato: The case of Kenya's potato farmers]Productivity and food security effects of using of certified seed potato: The case of Kenya's potato farmers

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