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Okello, J.J.Shikuku, K.M.Sindi, K.Low, J.W.[Farmers' perceptions of orange-fleshed sweetpotato: Do common beliefs about sweetpotato production and consumption really matter?]Farmers' perceptions of orange-fleshed sweetpotato: Do common beliefs about sweetpotato production and consumption really matter?

Biofortification of staple crops to combat micronutrient deficiencies is gaining global recognition. Projects promoting biofortified food crops use intensive agriculture-nutrition education and extension activities to increase adoption of such crops. This study examines the effect of such program...


Okello, J.J.Kwikiriza, N.Muoki, P.Wambaya, J.Heck, S.[Effect of intensive agriculture-nutrition education and extension program adoption and diffusion of biofortified crops.]Effect of intensive agriculture-nutrition education and extension program adoption and diffusion of biofortified crops.

Okello, J.J.Lagerkvist, C.J.Kwikiriza, N.Brouwer, R.Naico, A.Heck, S.Prain, G.[In-depth study on household production, nutrition and consumption in Beira, Mozambique.]In-depth study on household production, nutrition and consumption in Beira, Mozambique.

Commonly used innovation adoption models indirectly assume homogenous information flow across farmers, which is often not the case. For new and or not well known technologies such as Orange-fleshed sweetpotato (OFSP) varieties, awareness exposure plays an important role in farmers’ decision to ad...


Adekambi, S.Abidin, P.E.Okello, J.J.Carey, E.E.[Awareness exposure and technology adoption: the case of orange-fleshed sweetpotato in West Africa.]Awareness exposure and technology adoption: the case of orange-fleshed sweetpotato in West Africa.

Biofortification of crops as part of the effort to combat micronutrient deficiencies especially in developing countries gaining global recognition. Recent award of world food price to biofortification of staple crops has further energized efforts to promote the cultivation and consumption of biof...


Okello, J.J.Muoki, P.Kwikiriza, N.Wambaya, J.Heck, S.[Effect of agriculture-nutrition education and extension services on early adoption and diffusion of biofortfied crops: The case of orange-fleshed sweetpotato in Kenya]Effect of agriculture-nutrition education and extension services on early adoption and diffusion of biofortfied crops: The case of orange-fleshed sweetpotato in Kenya
Lagerkvist, C.J.Okello, J.J.Muoki, P.Heck, S.Prain, G.[Nutrition promotion messages: The effect of information on consumer sensory expectations, experiences and emotions of vitamin A-biofortified sweet potato.]Nutrition promotion messages: The effect of information on consumer sensory expectations, experiences and emotions of vitamin A-biofortified sweet potato.

Malnutrition, particularly vitamin A deficiency, is a major public health problem in many developing countries. This study investigated whether priming or self-generation of goals, or whether attention to instrumental or experiential goals together with use of a reminder condition or not, promote...


Lagerkvist, C.J.Okello, J.J.Adekambi, S.Kwikiriza, N.Abidin, P.E.Carey, E.E.[Goal-setting and volitional behavioural change: Results from a school meals intervention with vitamin-A biofortified sweetpotato in Nigeria]Goal-setting and volitional behavioural change: Results from a school meals intervention with vitamin-A biofortified sweetpotato in Nigeria

This study examined the nutrition and food security impacts of a project that was designed to improve availability of disease-free planting materials of biofortified orange-fleshed sweetpotato (OFSP) in rural Tanzania. Difference-in-difference and matching techniques were employed to estimate cau...


Mashisia, K.Okello, J.J.Wambugu, S.Sindi, K.Low, J.W.McEwan, M.[Nutrition and food security impacts of quality seeds of biofortified orange-fleshed sweetpotato: Quasi-experimental evidence from Tanzania]Nutrition and food security impacts of quality seeds of biofortified orange-fleshed sweetpotato: Quasi-experimental evidence from Tanzania

The primary objectives of this monitoring and evaluation review exercise were: to assess whether the design of the SMILER forms and processes is adequate to generate reliable and quality monitoring data: this included a review of data to do spot checks on quality, consistency, and timeliness; to ...


Okello, J.J.Kwikiriza, N.[Scaling up sweetpotato through agriculture and nutrition (SUSTAIN): M&E system review]Scaling up sweetpotato through agriculture and nutrition (SUSTAIN): M&E system review

Stathers, T.Mulongo, G.Low, J.W.Mbabu, A.N.Rajendran, S.Okello, J.J.Maru, J.Sindi, K.Mudege, Netsayi N.[Everything you ever wanted to know about sweetpotato, Topic 12: Monitoring, learning, and evaluation of sweetpotato projects]Everything you ever wanted to know about sweetpotato, Topic 12: Monitoring, learning, and evaluation of sweetpotato projects

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