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Mbiyu, M.W.Mbiri, DSchulte-Geldermann, ElmarOtieno, S.Nyongesa, M.[Production of potato minitubers using sand hydroponics in Kenya.]Production of potato minitubers using sand hydroponics in Kenya.

One of the most important constraints to potato production in developing countries is the lack of quality planting material to be used by farmers, either coming from the formal or from farmer-based seed systems. A number of projects have been implemented to improve farmers' access to quality plan...


Ortiz, O.Pérez, W.Orrego, R.Tenorio, J.Schulte-Geldermann, ElmarSchultz, S.Demo, P.Kakuhenzire, R.Kadian, M.Carli, C.Xie, K.[Qualitative model of potato seed systems: A proposal to converge seed-related biophysical and socioeconomic factors.]Qualitative model of potato seed systems: A proposal to converge seed-related biophysical and socioeconomic factors.

Schulte-Geldermann, ElmarOrtiz, O.Andrade-Piedra, J.L.Kauhenzire, R.Demo, P.Schulz, S.Parker, M.[CIP’s potato strategy for Africa: Improving livelihoods of potato farmers in Africa by tackling deteriorated seed quality through an integrated approach.]CIP’s potato strategy for Africa: Improving livelihoods of potato farmers in Africa by tackling deteriorated seed quality through an integrated approach.

Obura, B.Bararyenya, A.Tindimubona, S.Kinyua, Z.M.Schulte-Geldermann, Elmar[Positive selection to improve quality of farmers seed potato in Kenya.]Positive selection to improve quality of farmers seed potato in Kenya.

Sharma, K.Woldegiorgis, G.Tessema, L.Desta, T.Zegeye, W.Teklu, M.A.Abdurahman, A.Lunt, T.Smith, J.Schulte-Geldermann, Elmar[Tackling bacterial wilt of potato in Ethiopia. Key messages. CIP Policy Brief 01.]Tackling bacterial wilt of potato in Ethiopia. Key messages. CIP Policy Brief 01.

Integrating crop species with different photosynthetic pathways has great potential to increase efficiency in the use of scarce resources. In order to tap the resource complementarity emanating from this mix, this study intercropped potato (Solanum tuberosum L.) with lima bean (Phaseolus lunatas ...


Nyawade, S.Karanja, N.Gachene, C.K.K.Gitari, H.I.Schulte-Geldermann, ElmarParker, M.[Intercropping optimizes soil temperature and increases crop water productivity and radiation use efficiency of rainfed potato.]Intercropping optimizes soil temperature and increases crop water productivity and radiation use efficiency of rainfed potato.

According to potato experts from ten Sub-Saharan Africa (SSA) countries working together in a community of practice (CoP) over a 3-years period, potato farmers across SSA can increase their current annual production of 10.8 million metric tons by 140% if they had access to high quality seed along...


Harahagazwe, D.Condori, B.Barreda, CarolinaBararyenya, A.Byarugaba, A.A.Kude, D.A.Lung'aho, C.Martinho, C.Mbiri, D.Nasona, B.Ochieng, B.Onditi, J.Randrianaivoarivony, J.M.Tankou, C.M.Worku, A.Schulte-Geldermann, ElmarMares, V.Mendiburu, F. deQuiróz, R.[How big is the potato (Solanum tuberosum L.) yield gap in Sub-Saharan Africa and why? A participatory approach.]How big is the potato (Solanum tuberosum L.) yield gap in Sub-Saharan Africa and why? A participatory approach.
Kromann, P.Pérez, W.Taipe, ArturoSchulte-Geldermann, ElmarSharma, B.P.Andrade-Piedra, J.L.Forbes, G.[Use of phosphonate to manage foliar potato late blight in developing countries.]Use of phosphonate to manage foliar potato late blight in developing countries.
Lemaga, B.Borus, D.Kakuhenzire, R.Woldegiorgis, G.Tibanyendera, D.Nshimiyimana, J.C.Schulte-Geldermann, ElmarBarker, Ian[Capacity Building: A basis for technology adoption and sustainable potato production in Eastern Africa.]Capacity Building: A basis for technology adoption and sustainable potato production in Eastern Africa.

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

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