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Rain-fed rice production in sub-Saharan Africa is often hampered by parasitic weeds. This study assessed farmers’ awareness, use, preference and adoption criteria of parasitic weed management practices in rain-fed rice production environments in Tanzania. Surveys and workshops were organized in t...


Tippe, D.E.Rodenburg, J.Schut, MarcAst, A. vanKayeke, J.Bastiaans, L.[Farmers’ knowledge, use and preferences of parasitic weed management strategies in rain-fed rice production systems]Farmers’ knowledge, use and preferences of parasitic weed management strategies in rain-fed rice production systems

In low-input rice-maize rotation systems in the hills of central Madagascar, farmers deal with erratic rainfall, poor soils, high soil erosion risks and infestation by the parasitic weed Striga asiatica (L.) Kuntze. Practices combining zero-tillage with permanent soil cover by intercropped legume...


Randrianjafizanaka, M.T.Autfray, P.Andrianaivo, A.P.RatsimialaRamonta, I.Rodenburg, J.[Combined effects of cover crops, mulch, zero-tillage and resistant varieties on Striga asiatica (L.) Kuntze in rice-maize rotation systems]Combined effects of cover crops, mulch, zero-tillage and resistant varieties on Striga asiatica (L.) Kuntze in rice-maize rotation systems

Rodenburg, J.Onyuka, E.Beechey, R.Gugai, M.[Filming activities for the farmer-to-farmer instruction videos on labor-saving weed management options]Filming activities for the farmer-to-farmer instruction videos on labor-saving weed management options

The parasitic weed Rhamphicarpa fistulosa is threatening rainfed lowland rice production in Benin. The aim of this study was to explore factors (such as biophysical characters of the rice growing environment, farmers’ management practices, and socioeconomic characteristics) that affect the infest...


N’cho SMourits, M.Rodenburg, J.Demont, M.Oude Lansink, Alfons G.[Determinants of parasitic weed infestation in rainfed lowland rice in Benin]Determinants of parasitic weed infestation in rainfed lowland rice in Benin

Rice is an increasingly important commodity in sub-Saharan Africa. In Tanzania, the rice yield gap is as high as 87%, due to a combination of production constraints and sub-optimal crop management. Reducing this yield gap may be partly achieved through the introduction and dissemination of good a...


Senthilkumar, K.Tesha, B.J.Mghase, J.Rodenburg, J.[Increasing paddy yields and improving farm management: results from participatory experiments with good agricultural practices (GAP) in Tanzania]Increasing paddy yields and improving farm management: results from participatory experiments with good agricultural practices (GAP) in Tanzania

If future rice production is to contribute to food security for the increasing population of sub-Saharan Africa (SSA), effective strategies are needed to control weeds, the crop’s fiercest competitors for resources. To gain better insights into farmers’ access to, and use of, herbicides as part o...


Rodenburg, J.Johnson, J.M.Dieng, I.Senthilkumar, K.Vandamme, E.Akakpo, C.Allarangaye, M.D.Baggie, I.Bakare, S.O.Bam, R.K.Bassoro, I.Abera, B.B.Cisse, M.Dogbe, W.Gbakatchetche, H.Jaiteh, F.Kajiru, G.J.Kalisa, A.Kamissoko, N.Sekou, K.Kokou, A.Mapiemfu-Lamare, D.Lunze, F.M.Mghase, J.Maiga, I.M.Nanfumba, D.Niang, A.Rabeson, R.Segda, Z.Sillo, F.S.Tanaka, A.Saito, K.[Status quo of chemical weed control in rice in sub-Saharan Africa]Status quo of chemical weed control in rice in sub-Saharan Africa

This paper introduces Rapid Appraisal of Agricultural Innovation Systems (RAAIS). RAAIS is a diagnostic tool that can guide the analysis of complex agricultural problems and innovation capacity of the agricultural system in which the complex agricultural problem is embedded. RAAIS focuses on the ...


Schut, MarcKlerkx, LaurensRodenburg, J.Kayeke, J.Hinnou, L.C.Raboanarielina, C.M.Adegbola, P.Y.Ast, A. vanBastiaans, L.[RAAIS: Rapid Appraisal of Agricultural Innovation Systems (Part I); a diagnostic tool for integrated analysis of complex problems and innovation capacity]RAAIS: Rapid Appraisal of Agricultural Innovation Systems (Part I); a diagnostic tool for integrated analysis of complex problems and innovation capacity

We developed an interactive electronic weed identification tool, AFROweeds, and an online network, Weedsbook, for agricultural change agents to aid communication and offer assistance to rice farmers with specific weed problems. We collected quantitative and qualitative data to assess effectivenes...


Rodenburg, J.Le Bourgeois, T.Grard, P.Carara, A.Irakiza, R.Makokha, D.W.Kabanyoro, R.Dzomeku, I.Chiconela, T.Malombe, I.Sarra, S.Ekeleme, F.Mariko, M.Andrianaivo, A.P.Marnotte, P.[Electronic support tools for identification and management of rice weeds in Africa for better-informed agricultural change agents]Electronic support tools for identification and management of rice weeds in Africa for better-informed agricultural change agents

Rodenburg, J.Schut, MarcDemont, M.Klerkx, LaurensGbèhounou, G.Oude Lansink, Alfons G.Mourits, M.Rotteveel, T.Kayeke, J.Ast, A. vanAkanvou, L.Cissoko, M.Kamanda, J.Bastiaans, L.[Systems approaches to innovation in pest management: reflections and lessons learned from an integrated research program on parasitic weeds in rice]Systems approaches to innovation in pest management: reflections and lessons learned from an integrated research program on parasitic weeds in rice

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