Resultados de búsqueda - "Nigeria"

Land clearing for agricultural research stations: IITA research guide, No. 5 por Couper, D.C.

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Viruses and virus diseases of maize in tropical Africa por Thottappilly, G., Rossel, H.W., Bosque Pérez, N.A.

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Fertilizers; definitions and calculations por Kang, B.T.

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Farm records and work planning on agricultural research farms por Couper, D.C.

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Management of tillage equipment on research farms por Claassen, S.L.

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Major insects pests of maize in Africa: biology and control por Bosque Pérez, N.A.

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Labor requirement in assessment of technologies por Dvorak, K.A.

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Security at agricultural research stations por Austin, P.D.

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Les principaux ravageurs et maladies du manioc, de ligname, de la patate douce et des aracees en Afrique por Theberge, R.L., Caveness, F.E., Herren, H.R., Lema, K., Neuenschwander, Peter, Yaninek, John S.

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Screening for Acyanogenesis in cassava: IITA Technical Bulletin No 4 por Sadik, S., Okereke, O., Hahn, S.

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Empowered rural women cooperatives por Okafor, Nnenna Christiana

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Agricultural Mechanization Research in West Africa por Food and Agriculture Organization of the United Nations

“…Initial Survey Phase for a Project for Studying Agricultural Mechanization Research in West Africa: Ghana, Dahomey, Nigeria, Ivory Coast, Mali, Senegal, describing objectives and findings of an FAO mission, including British, French and IITA members, sent to review recent and ongoing research, training, and extension activities relating to types of animal- and machine-drawn equipment, post harvest practices, and effects of mechanization on rural employment. …”
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Biological Control of Food Pests por CGIAR Secretariat, Keyser, Jack

“…News release announcing that the Nigeria-based International Institute of Tropical Agriculture (IITA) has achieved major success in the biological control of one damaging African food peat, and made progress towards controlling another. …”
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An agroecologically oriented introduction of cassava germplasm from Latin America into Africa por Porto, M.C., Asiedu, Robert, Dixon, A., Hahn, S.K.

“…To date, a total of 130 000 botanical seeds comprising 725 families have been introduced into Nigeria through IITA. Three seedling nurseries were established in 1990 at locations representing the subhumid (Ibadan), humid (Onne), and semi-arid (Kano) ecologies. …”
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Trial design and analysis for onfarm adaptive research: a 1988 maize trial in the Mono Province of Benin por Versteeg, M.N., Huӱsman, A

“…On-farm Adaptive Research (OFAR) In an alftsol area In Southern Benin (Mono Province) started in 1986 with the introduction of a collaborative project of the Direction de la Recherche Agronomique (DRA) of Benin, the Royal Tropical Institute (KIT) Amsterdam, and the International Institute of Tropical Agriculture (IlTA) Nigeria. Major constraints to agricultural development are: • declining soil fertility caused by shorter fallows: • reduction in average farm size because of the Increase in rural population: • low resource productivity in food crop production due to the predominant use of manual labor (seasonal shortages) and the non-utilization of inputs such as fertilizers and pesticides; and • low risk-bearing capacity of farmers who are confronted with highly variable incomes from agriculture. …”
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Comparative analysis of the chicken IFITM locus by targeted genome sequencing reveals evolution of the locus and positive selection in IFITM1 and IFITM3 por Bassano, I., Swee Hoe Ong, Sanz Hernandez, M., Vinkler, M., Kebede, A., Hanotte, Olivier H., Onuigbo, E., Fife, M., Kellam, P.

“…We have generated chIFITM sequences from commercial breeds (supermarket-derived chicken breasts), indigenous chickens from Nigeria (Nsukka) and Ethiopia, European breeds and inbred chicken lines from the Pirbright Institute, totalling of 206 chickens. …”
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Whole genome sequence-based genetic characterization of Muturu, an endangered trypanotolerant population of West African Bos Taurus por Tijjani, A., Utsunomiya, Yuri Tani, Oyekanmi Nash, O., Hanotte, Olivier H.

“…Muturu cattle, mostly found nowadays in Nigeria, have been classified as an endangered cattle population due to the rapid decline in their population size. …”
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Understanding the Entry Points for Improving the Smallholder Chicken Production in sub-Saharan Africa por Goromela, E.H., Sonaiya, Emmanuel B., Assefa, G., Mbaga, S.H., Adebambo, Ayotunde Olufunmilayo, Abegaz, Solomon, Bamidele, O., Esatu, Wondmeneh, Alemayehu, T., Bruno, J., Poole, Elizabeth J., Getachew, Fasil, Dessie, Tadelle

“…Crops, livestock and poultry were the main sources of income for ET and TZ while, in Nigeria, crops, trading and services were the main sources. …”
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Adapting the QUEFTS model to predict attainable yields when training data are characterized by imperfect management por Ravensbergen, Arie Pieter Paulus, Chamberlin, Jordan, Craufurd, Peter Q., Shehu, Bello Muhammad, Hijbeek, Renske

“…Using 676 observations from the same nutrient omission trials in two major maize production zones in Nigeria, we compare a standard linear regression approach with a quantile regression approach to calibrate QUEFTS. …”
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Distribution and diversity of alternate hosts of Maruca vitrata Fabricius in three west African countries por Addae, P.C., Bruce, Y.A., Utono, I.M., Abudulai, M., Traoré, F., Ishiyaku, F.S., Adamu, R.S., Seldu, A., Batieno, Benoit Joseph, Nwankwo, O.F., Ba, M.N., Adazebra, G.A., Tignegré, J.B., Dabiré, C., Huesing, J., Hellmich, R.L., Pittendrigh, B.R., Tamo, Manuele

“…Surveys were conducted to identify alternate host species for Maruca vitrata (commonly called the legume pod borer or Maruca) that could serve as refuges for Pod-Borer Resistant (PBR) cowpea in three West African countries (Ghana, Nigeria, and Burkina Faso). Survey sites included 25 in northern Ghana, 44 in northern Nigeria, and 52 in north-central and southwestern Burkina Faso. …”
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