Resultados de búsqueda - "Nigeria"

  1. Longterm effects of land clearing methods, tillage systemsand cropping systems on surface soil properties of a tropical Alfisol in S. W. Nigeria por Hulugalle, N.

    Publicado 1994
    “…The long‐term effects of land clearing methods (manual, shear blade, tree‐pusher/root‐rake combination, traditional), tillage systems (disc ploughing, mechanized no‐tillage, traditional) and cropping systems (annual cropping, alley cropping, graxed pasture) on surface soil physical and chemical properties were evaluated on an Alfisol in south‐western Nigeria ten years after land clearing. Long‐term soil physical degradation was greatest after mechanized land clearing or tillage systems. …”
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    Journal Article
  2. A case-control study to identify risk factors for the occurrence of highly pathogenic avian influenza H5N1 in Nigeria por Métras, Raphaëlle, Stevens, Kim B., Abdu, P., Costard, Solenne, Okike, Iheanacho, Grace, Delia, Pfeiffer, Dirk U., Randolph, Thomas F.

    Publicado 2009
    “…A case-control study was conducted in the two states of Kano and Lagos in Nigeria to identify risk factors for the occurrence of HPAI H5N1 outbreaks. …”
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    Póster
  3. Plant parasitic nematodes associated with plantain (Musa spp. AAB-group) in southern Nigeria and their relative importance compared to other biotic constraints por Speijer, P.R., Rotimi, M.O., Waele, D. de

    Publicado 2001
    “…The predominant nematode species found on plantain in southern Nigeria was Helicotylenchus multicinctus which occurred at all 68 sites sampled. …”
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  4. Productivity, water- and nitrogen-use efficiency, and profitability of pearl millet (Pennisetum glaucum) under different nitrogen applications in semiarid region of Nigeria por Ajeigbe, Hakeem A., Akinseye, Folorunso M., Kamara, A., Tukur, A., Inuwa, A.H.

    Publicado 2020
    “…An experiment was conducted to examine the performance of pearl millet under different nitrogen (N) fertilizer rates in two locations in the semiarid zone of Nigeria. The objective was to evaluate the effects of different N rates on pearl millet yields, water- and nitrogen-use efficiency, and profitability. …”
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    Journal Article
  5. Does vitamin A rich orange-fleshed sweetpotato adoption improve household level diet diversity? Evidence from Ghana and Nigeria por Adekambi, S., Okello, J.J., Low, Jan W., Abidin, P.E., Carey, E.E.

    Publicado 2023
    “…After a three-year intervention promoting OFSP uptake using different market-led approaches, a structured survey was conducted among 204 participant and 422 non-participant households in Ghana and Nigeria in 2017. In this study, we test whether the adoption of OFSP has a significant effect on dietary diversity, using a counterfactual approach based on the conditional independence-based estimators of average treatment effect techniques. …”
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    Journal Article
  6. RiceAdvice Voucher System: a new business approach to test the scaling of RiceAdvice with farmers paying service providers in Nigeria por CGIAR Research Program on Rice

    Publicado 2019
    “…Implementation of the voucher system business model started in 2019 in Lafia (Nasarawa State/ Nigeria). The initial phase involved 500 farmers, 5 service providers and 5 input dealer shops.…”
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    Informe técnico
  7. FR1.3: Coping with Stressors along the Cassava Value Chain in Nigeria: Evidence to Strengthen Gender-Responsive Breeding and Inform Resilience por Teeken, Béla, Olamide, Olaosebikan, Abolore, Bello, Utoblo, Obaiya, Okoye, Benjamin, Olutegbe, Nathaniel, Garner, Elisabeth L.P., Cole, Steven M., Forsythe, Lora, Kulakow, Peter A., Egesi, Chiedozie N., Tufan, Hale Ann, Madu, Tessy

    Publicado 2022
    “…This study investigates gender perspectives on climate change (CC) and conflict stressors surrounding the cassava value-chain (VC) in Nigeria. Research Question(s): A State of Knowledge review identified the need to inquire into coping strategies and the preferred stressor-related cassava traits by specifically asking, "In what ways do gender roles and norms influence these". …”
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    Ponencia

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