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Journal Article 2019-01

Autor: Okello, J.J. Kwikiriza, N. Muoki, P. Wambaya, J. Heck, S.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/99013

Investigación en Agricultura
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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.
Report 2019-04

Autor: Okello, J.J. Lagerkvist, C.J. Kwikiriza, N. Brouwer, R. Naico, A. Heck, S. Prain, G.
Enlace original: https://cgspace.cgiar.org/handle/10568/100716

Investigación en Agricultura
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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.
Conference Paper 2018-08

Autor: Okello, J.J. Muoki, P. Kwikiriza, N. Wambaya, J. Heck, S.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/99132

Investigación en Agricultura
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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
Conference Paper 2015

Autor: Okello, J.J. Kwikiriza, N. Kakuhenzire, R. Parker, M. Schulte-Geldermann, Elmar Pambo, K.O.

This study uses ecological system theory to examine the micro and meso level factors that affect and are affected potato production in Sub-Sahara Africa. It focuses on gender, environmental factors, food security. The data and information used were collected using both qualitative and quantitativ...

Enlace original: https://cgspace.cgiar.org/handle/10568/72635

Investigación en Agricultura
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Okello, J.J. ,  Kwikiriza, N. ,  Kakuhenzire, R. ,  Parker, M. ,  Schulte-Geldermann, Elmar ,  Pambo, K.O. ,  [Micro and meso-level issues affecting potato production and marketing in the tropical highlands of Sub-Saharan Africa: The known and the unknowns] ,  Micro and meso-level issues affecting potato production and marketing in the tropical highlands of Sub-Saharan Africa: The known and the unknowns
Journal Article 2018-10

Autor: Lagerkvist, C.J. Okello, J.J. Adekambi, S. Kwikiriza, N. Abidin, P.E. Carey, E.E.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/96923

Investigación en Agricultura
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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
Report 2019-04

Autor: Okello, J.J. Kwikiriza, N.

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 ...

Enlace original: https://cgspace.cgiar.org/handle/10568/101112

Investigación en Agricultura
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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
Journal Article 2016-10

Autor: Okello, J.J. Zhou, Y. Kwikiriza, N. Ogutu, S.O. Barker, I. Schulte-Geldermann, Elmar Atieno, E. Ahmed, J.T.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/81183

Investigación en Agricultura
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Okello, J.J. ,  Zhou, Y. ,  Kwikiriza, N. ,  Ogutu, S.O. ,  Barker, I. ,  Schulte-Geldermann, Elmar ,  Atieno, 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.
Conference Paper 2016-07

Autor: Okello, J.J. Zhou, Y. Kwikiriza, N. Ogutu, S. Barker, I. Schulte-Geldermann, Elmar Ahmed, J. Atieno, E.

This paper used the propensity score method to assess the effect of using certified seed potato (CSP) on yield, input use, and food security among smallholder farmers. It focused on potato growers in central highlands of Kenya. The study found positive effect using certified seed on both yield an...

Enlace original: https://cgspace.cgiar.org/handle/10568/82583

Investigación en Agricultura
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Okello, J.J. ,  Zhou, Y. ,  Kwikiriza, N. ,  Ogutu, S. ,  Barker, I. ,  Schulte-Geldermann, Elmar ,  Ahmed, J. ,  Atieno, E. ,  [Welfare-environmental quality tradeoffs of promoting use of certified seed potato in tropical highlands of Africa: evidence from central highlands of Kenya.] ,  Welfare-environmental quality tradeoffs of promoting use of certified seed potato in tropical highlands of Africa: evidence from central highlands of Kenya.
Poster 2015-07-26

Autor: Kwikiriza, N. Jogo, Wellington Okello, J.J. Tesfay, H. Asfaw, F.

In Ethiopia, the International Potato Center (CIP) and regional partners piloted a 2-year project that promoted production and consumption of vitamin A-rich OFSP as part of diversified diets. The project adopted school-based nutritional campaigns wherein school gardens and school feeding were pil...

Enlace original: https://cgspace.cgiar.org/handle/10568/68886

Investigación en Agricultura
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Kwikiriza, N. ,  Jogo, Wellington ,  Okello, J.J. ,  Tesfay, H. ,  Asfaw, F. ,  [The impact of school nutritional campaigns on OFSP adoption and food security among smallholder farming households in Tigray region, Ethiopia.] ,  The impact of school nutritional campaigns on OFSP adoption and food security among smallholder farming households in Tigray region, Ethiopia.
Journal Article 2017-03

Autor: Okello, J.J. Zhou, Y. Kwikiriza, N. Ogutu, S. Barker, I. Atieno, E. Ahmed, J.T. Schulte-Geldermann, Elmar

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/92075

Investigación en Agricultura
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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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