Resultados de búsqueda - "Nigeria"

Econometric analysis of loan repayment competence of smallholder cassava farmers in Yewa area, Ogun State, Nigeria por Ojiako, I.A., Okechukwu, R.U., Olaitan, T.

“…This study investigated the loan repayment competence of smallholder cassava farmers in the south-west zone, Nigeria. Primary data collected from 121 respondents randomly selected from cassava-farming communities in Ogun State, south-west Nigeria, were used for the investigation. …”
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Diversity of arbuscular mycorrhizal fungi in soils of yam (Dioscorea spp.) cropping systems in four agroecologies of Nigeria por Dare, M.O., Abaidoo, Robert C., Fagbola, O., Asiedu, Robert

“…The diversity of arbuscular mycorrhizal (AM) fungi in soils under a yam cropping system in four agroecologies of Nigeria was investigated. Soil samples were collected from yam fields at Onne (humid forest, high rainfall area), Ibadan (derived savanna), Abuja (Guinea savanna) and Ubiaja (humid forest, medium rainfall area). …”
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Effects of commercial microbial inoculants and foliar fertilizers on soybean nodulation and yield in northern Guinea savannah of Nigeria por N’cho, C., Yusuf, A.A., Ama-Abina, J., Jemo, M., Abaidoo, Robert C., Savane, I.

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Analysis of relationships between production of yam [Dioscorea spp.] and its determinants in Nigeria: a cointegration approach por Ojiako, I., Tarawali, G., Akwarandu, B., Okechukwu, R.U., Idowu, A.

“…The implication of the finding is that past values of cultivated land area and yield could not be used as reliable indicators for predicting the future values of yam production in Nigeria. A lot more other factors had contributed to past fluctuations in yam production and there was need to adopt an across-the-board approach in the development of the yams sector in Nigeria.…”
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Comparative evaluation of organomineral fertilizer and NPK 151515 on growyh and yield of cassava varieties in Ibadan, southwestern Nigeria por Edet, M.A., Tijani-Eniola, H., Okechukwu, R.U.

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Genetic diversity of Colletotrichum gloeosporioides in Nigeria using amplified fragment length polymorphismA (AFLP) markers por Aduramigba-Modupe, A.O., Asiedu, Robert, Odebode, C.A., Owolade, F.

“…Colletotrichum gloeosporioides is the causal agent of yam anthracnose disease in Nigeria. Differential cultivars and amplified fragment length polymorphic DNA markers were used to assess the extent of genetic diversity among 39 isolates of the pathogen. …”
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Assessment of legume utilization among smallholder farmers in the Democratic Republic of Congo (DRC), Kenya, Rwanda and Nigeria por Popoola, I., Maziya-Dixon, B.B., Katengwa, S., Sanginga, J., Woomer, P.L., Sangodele, E., Kanampiu, F.K.

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Bovine trypanosomiasis in Northern Nigeria; a contribution to the epidemiology, hot-specificity and drug-sensitivity of Trypanosoma vivax. por Leeflang, P.

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Assessment of reaction patterns of hybrids to Striga hermonthica (Del.) Benth. under artificial infestation in Kenya and Nigeria por Menkir, A., Makumbi, Dan, Franco, J.

“…The present study was thus conducted to determine the reaction patterns of hybrids developed in Nigeria for field resistance to S. hermonthica under artifi cial infestation at two locations eachin Kenya and Nigeria in 2009 and 2010. …”
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Survey of the symptoms and viruses associated with cowpea (Vigna unguiculata (L.)) in the agroecological zones of Kwara State, Nigeria por Aliyu, T.H., Balogun, O.S., Kumar, L.

“…A comprehensive field survey was carried out in 2011 spanning thirty locations within the forest and savannah agroecologies of Kwara State, Nigeria. This was with the objective of having an overview of the prevalence of virus disease symptoms and to specifically identify the viruses infecting cowpea (Vigna unguiculata .L.) in Kwara State. …”
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Determinants of adoption and intensity of use of balance nutrient management systems technologies in the northern Guinea savanna of Nigeria por Akinola, Adebayo A., Alene, Arega D., Adeyemo, R., Sanogo, D., Olanrewaju, A.S., Nwoke, C., Nziguheba, Generose

“…As part of a major effort to address soil fertility decline in West Africa, an integrated soil fertility management project promoted two technology packages: a combined application of inorganic fertilizer and manure (BNMS-manure) and a soybean/maize rotation practice (BNMS-rotation) in the northern Guinea savanna (NGS) of Nigeria. This study used a tobit regression model to examine factors that influence the adoption and intensity of use of the technologies. …”
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Household typology based analysis of livelihood strategies and poverty status in the Sudan Savannah of Nigeria: baseline conditions por Damisa, M.A., Sanni, S.A., Abdoulaye, Tahirou, Kamara, A.Y., Ayanwale, A.

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Characterization of maize producing communities in Benin, Ghana, Mali, and Nigeria: West Africa Regional Synthesis Report por Abdoulaye, Tahirou, Bamire, A.S., Wiredu, A.N., Baco, M.N., Fofana, M.

“…Attempts at addressing the drought problem resulted in the conduct of a participatory community survey of maize production systems with about 20–40% probability of drought risk in four DTMA countries (Bénin Republic, Ghana, Mali, and Nigeria). The project is part of an initiative to develop and disseminate appropriate drought tolerant maize varieties in sub-Saharan Africa. …”
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A participatory evaluation of improved cowpea cultivars in the Guinea and Sudan savanna zones of north east Nigeria por Kamara, A.Y., Ellis-Jones, J., Ekeleme, F., Omoigui, L.O., Amaza, P., Chikoye, David, Dugje, I.Y.

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Abundance and distribution of Arbuscular mycorrhizal fungi species in longterm soil fertility management systems in northern Nigeria por Emmanuel, B., Fagbola, O., Abaidoo, Robert C., Osonubi, O., Oyetunji, O.

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First use of the 137Cs techniques in Nigeria for estimating mediumterm soil redistribution rates on cultivated farmland por Junge, B., Mabit, L., Dercon, G., Walling, D.E., Abaidoo, Robert C., Chikoye, David, Stahr, Karl

“…Soil erosion is a serious problem in the forest-savanna transition zone or derived savanna of West Africa and Nigeria and needs to be reduced to maintain soil quality and to ensure food security. …”
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Occurrence and distribution of viruses infecting fluted pumpkin (Telfairia occidentalis, Hook F.) in Imo State, Nigeria por Oben, T.T., Atiri, G.I., Fagbola, O., Akinbade, S.A., Oyibo, P.O., Kumar, P. Lava

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Alternate hosts of African cassava mosaic virus and East African cassava mosaic Cameroon virus in Nigeria por Alabi, O.J., Ogbe, F.O., Bandyopadhyay, Ranajit, Kumar, P. Lava, Dixon, Alfred G.O., Hughes, Jacqueline d'Arros, Naidu, R.A.

“…Cassava mosaic disease (CMD) caused by African cassava mosaic virus (ACMV) and East African cassava mosaic Cameroon virus (EACMCV) is the major constraint to cassava production in Nigeria. Sequences of the DNA-A component of ACMV and EACMCV isolates from leguminous plant species (Senna occidentalis, Leucana leucocephala and Glycine max), castor oil plant (Ricinus communis), a weed host (Combretum confertum) and a wild species of cassava (Manihot glaziovii) were determined. …”
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Distribution and toxigenicity of Aspergillus species isolated from maize kernels from three agroecological zones in Nigeria por Atehnkeng, J., Ojiambo, P., Donner, M., Ikotun, T., Sikora, R.A., Cotty, P.J., Bandyopadhyay, Ranajit

“…Maize samples were collected during a survey in three agro-ecological zones in Nigeria to determine the distribution and aflatoxin-producing potential of members of Aspergillus section Flavi. …”
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Economics of seed production and the seed industry: case studies from Niger Republic and Borno State, Nigeria por Abdoulaye, Tahirou, Amaza, P.

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