Resultados de búsqueda - "West Africa"

Overcoming phosphorus deficiency in West African pearl millet and sorghum production systems: promising options for crop improvement por Gemenet, Dorcus C., Leiser, W.L., Beggi, Francesca, Herrmann, L.H., Vadez, Vincent, Rattunde, H.F.W., Weltzien, Eva, Hash, C.T., Buerkert, Andreas, Haussmann, B.I.G.

“…West Africa (WA) is among the most food insecure regions. …”
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Mango cultivation in Benin por Vayssières, Jean-François, Sinzogan, A.A.C., Adandonon, A., Coulibaly, O., Bokonon-Ganta, A.H.

“…As it ripens at the end of the dry season and at the start of the rainy season, the mango is a fundamental source of nutrition for rural populations living in the Soudano-Sahelian regions of West Africa: it is rich in potassium, alphacarotene, vitamin C and calcium. …”
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Exploring the floristic diversity of tropical Africa por Sosef, M.S.M., Dauby, G., Blach-Overgaard, A., Burgt, X. van der, Catarino, L., Damen, T., Deblauwe, V., Dessein, S., Dransfield, J., Droissart, V., Duarte, M.C., Engledow, H., Fadeur, G., Figueira, R., Gereau, R.E., Hardy, Olivier J., Harris, D.J., Heij, J. de, Janssens, S., Klomberg, Y., Ley, A.C., Mackinder, B.A., Meerts, P., Poel, J.L. van de, Sonké, B., Stévart, T., Stoffelen, P., Svenning, Jens Christian, Sepulchre, P., Zaiss, R., Wieringa, J.J., Couvreur, T.L.P.

“…We propose priority target areas for future sampling efforts, mainly focused on Tanzania, Atlantic Central Africa and West Africa. The observed number of tree species for African forests is smaller than those estimated from global tree data, suggesting that a significant number of species are yet to be discovered. …”
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Potential impact of investments in drought tolerant maize in Africa por La Rovere, R., Kostandini, G., Abdoulaye, Tahirou, Dixon, J., Mwangi, W., Guo, Z., Bänziger, Marianne

“…The study evaluates the potential impacts of the Drought Tolerant Maize for Africa (DTMA) project run by CIMMYT and the International Institute for Tropical Agriculture (IITA) in 13 countries of eastern, southern and West Africa: Angola, Benin, Ethiopia, Kenya, Malawi, Mali, Mozambique, Nigeria, Tanzania, Uganda, Zambia, and Zimbabwe and Ghana. …”
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Big data and multiple methods for mapping small reservoirs: comparing accuracies for applications in agricultural landscapes por Jones, S.K., Fremier, Alexander K., DeClerck, Fabrice A.J., Smedley, D., Ortega Pieck, A., Mulligan, M.

“…Using the transboundary Volta River Basin (~413,000 sq km) in West Africa as a case study, we present a novel method to map reservoirs and quantify the uncertainty of Landsat derived reservoir area estimates, which can be readily applied anywhere in the globe. …”
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Biological control of cassava green mite in Tanzania por Pallangyo, B., Hanna, R., Toko, M., Gnanvossou, D., Mgoo, V., Otema, M., Onzo, A., Hountondji, F.C.C., Nsami, E., Mfugale, O.

“…This report present evidence of the impact of biological control on cassava green mite populations and cassava yield in Tam&, and recommends the use of exotic isolates of the fungal pathogen Neozygites tanajoae, which has been established in West Africa, as a complementary alternative approach in controlling further the cassava green mite in the remaining spots of high infestations.…”
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Semences et materiel de plantation en Afrique occidentale, No. 14 por International Institute of Tropical Agriculture

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First report of soybean rust caused by Phakopsora pachyrhizi in Ghana por Bandyopadhyay, Ranajit, Ojiambo, P., Twizeyimana, M., Asafo-Adjei, B., Frederick, R.D., Pedley, K.F., Stone, C.L., Hartman, G.

“…Nigeria is the only country in West Africa where soybean rust, caused by Phakopsora pachyrhizi, has been officially reported (1). …”
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Rimsulfuron for postemergence weed control in corn in humid tropical environments of Nigeria por Chikoye, David, Udensi, U.E., Lum, A.F., Ekeleme, F.

“…Cogongrass and guineagrass are serious perennial weeds in small-scale farms in lowland subhumid zones of West Africa. Field studies were conducted in 2002 and 2003 at two sites in Ibadan, Nigeria [Ijaye and the International Institute of Tropical Agriculture (IITA)], to evaluate the effect of rimsulfuron on weed communities dominated by cogongrass and guineagrass in corn. …”
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Cassava production and processing in the Democratic Republic of Congo: COSCA working paper, No 22 por Nweke, F., Lutete, D., Dixon, A., Ugwu, B., Ajobo, O., Kalombo, N., Bukaka, B.

“…The consequence was that cassava processing did not stimulate expanded cassava production in the Democratic Republic of Congo as it did in West Africa.…”
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Trade-offs and synergies associated with maize leaf stripping within crop-livestock systems in northern Ghana por Komarek, Adam M., Rahman, N.A., Bandyopadhyay, A., Kizito, Fred, Koo, Jawoo, Addah, W.

“…CONTEXT The accessibility and availability of forages is a common concern in crop-livestock systems in West Africa; however, options to increase forage production may entail trade-offs within the farm system that can be challenging to quantify explicitly. …”
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The future of food: domestication and commercialization of indigenous food crops in Africa over the third decade (2012–2021) por Leakey, R.R.B., Tientcheu Avana, M.-L., Awazi, N. P., Assogbadjo, A. E., Mabhaudhi, Tafadzwanashe, Hendre, P. S., Degrande, A., Hlahla, S., Manda, L.

“…However, the rapid uptake of research by university departments and national agricultural research centres in Africa indicates a recognition of the importance of the indigenous crops for both the livelihoods of rural communities and the revitalization and enhanced outputs from agriculture in Africa, especially in West Africa. Thus, on a continental scale, there has been an uptake of research with policy relevance for the integration of indigenous trees in agroecosystems and their importance for the attainment of the UN Sustainable Development Goals. …”
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Contrasting changes in hydrological processes of the Volta River Basin under global warming por Dembélé, Moctar, Vrac, M., Ceperley, N., Zwart, Sander J., Larsen, J., Dadson, S. J., Mariethoz, G., Schaefli, B.

“…A comprehensive evaluation of the impacts of climate change on water resources of the West Africa Volta River basin is conducted in this study, as the region is expected to be hardest hit by global warming. …”
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Improving the productivity of millet based cropping systems in the West African Sahel: Experiences from a long-term experiment in Niger por Bado, V.B., Bationo, A., Whitbread, Anthony M., Tabo, Ramadjita, Laminou, M., Manzo, S.

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Climate Change and Gender Action Plan of Mali por Ogwuike, Philomenaa, Dossou-Yovo Elliott Ronalda

“…Mali is a landlocked, Sahelian country of West Africa. The Climate Change Vulnerability Index produced by ND-GAIN in 2016 ranked Mali as the 166th out of 181 most at climate change affected-risk countries in the world. …”
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A user guide to Mali Africa research in sustainable intensification for the next generation (Africa RISING) baseline evaluation survey data por Azzarri, Carlo, Haile, Beliyou, Howard, Patrice, Roberts, Cleophelia, Initiative for the Development of Africa, Enkhbayar, Sundui, Signorelli, Sara

“…As part of the program, the International Institute of Tropical Agriculture (IITA) leads a sustainable intensification effort focusing on the cereal-based farming systems in the Guinea Savannah Zone of West Africa (Ghana and Mali) and East and Southern Africa (Malawi, Tanzania, and Zambia) while the International Livestock Research Institute (ILRI) leads the research activities focusing on the crop-livestock systems of the Ethiopian highlands. …”
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Structure, conservation and health implications of urban wild meat value chains: A case study of Lagos, Nigeria por Akpan, S.N., Hooft, P. van, Happi, A.N., Buij, R., Langevelde, F. van, Cook, Elizabeth A.J., Hassell, J.M., Zimmerman, D.M., Masudi, Sherril P., Happi, C.T., Thomas, Lian F.

“…There is need for the re-assessment of the conservation statuses of West Africa's wildlife species to reflect current realities foisted by wild meat trade.…”
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Evaluating malaria risk projection under climate change scenarios in Senegal por Sambou, M. H. A., Jampani, Mahesh, Panjwani, Shweta, Amarnath, Giriraj

“…Senegal, located in West Africa, has a Sudano-Sahelian climate favourable to the proliferation of pathogens responsible for several diseases, including malaria. …”
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Genomic profiles of Pyricularia oryzae in Sub-Saharan Africa: exploring population differences and their evolutionary implications in the region por Onaga, G., Suktrakul, W., Wanjiku, M., Quibod, I.L., Domelevo Entfellner, Jean-Baka, Bigirimana, J., Habarugira, G., Murori, R., Asea, G., Tella, H.E., Amagnide, G.A.G.Y., Zenna, N., Jantasuriyarat, C., Ismail, A.M., Oliva, R.

“…The introduction of <i>P. oryzae</i> into Africa occurred mainly from China in the late 19th century, initially in West Africa (WA; Mali and Burkina Faso), and subsequently in Uganda and Madagascar during the early 20th century, before extending to the wider African region, with subsequent repeated introductions. …”
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Boran cattle maintained by chemoprophylaxis under trypanosomiasis risk por Trail, J.C.M., Murray, M., Sones, Keith R., Jibbo, J.M.C., Durkin, J.W., Light, D.E.

“…The level of productivity achieved compared favourably with major data sets recently analysed from pure Boran cattle under trypanosomiasis-free ranching conditions in Kenya, and from trypanotolerant N'Dama cattle in West Africa. These results indicate the possibility of improving livestock production in tsetse-infested areas by the rational use of chemoprophylaxis as an integral part of management. …”
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