Resultados de búsqueda - Repsol~

  1. Shamba showdown: Ukama Ustawi- Progress Report #6a por Odera, Daniel, Kigo, Samm, Girvetz, Evan, Chilambe, Pedro, Waswa, Boaz

    Publicado 2024
    “…Less than 25% of Kenya’s food supply is grown on industrial scale commercial farms. However, any reasonably successful farmer in Kenya sends their children to urban boarding schools for a better education. …”
    Enlace del recurso
    Informe técnico
  2. Linkages between land management, land degradation, and poverty in Sub-Saharan Africa: The case of Uganda por Nkonya, Ephraim M., Pender, John L., Kaizzi, Kayuki C., Kato, Edward, Mugarura, Samuel, Ssali, Henry, Muwonge, James

    Publicado 2008
    “…Uganda was chosen to serve as a case study of these issues, for several reasons. Of all Sub-Saharan African nations, Uganda has some of the most severe soil nutrient depletion in Africa: about 1.2 percent of nutrient stock stored in the topsoil is depleted by farmers each year. …”
    Enlace del recurso
    Resumen
  3. Linkages between land management, land degradation, and poverty in Sub-Saharan Africa: The case of Uganda por Nkonya, Ephraim M., Pender, John L., Kaizzi, Kayuki C., Kato, Edward, Mugarura, Samuel, Ssali, Henry, Muwonge, James

    Publicado 2008
    “…Uganda was chosen to serve as a case study of these issues, for several reasons. Of all Sub-Saharan African nations, Uganda has some of the most severe soil nutrient depletion in Africa: about 1.2 percent of nutrient stock stored in the topsoil is depleted by farmers each year. …”
    Enlace del recurso
    Informe técnico
  4. Quality Declared Seed for Sweetpotato: A Simplified Seed Inspection System for Haiti por Andrade-Piedra, J.L., Paul, B., Fuentes, S., Ogero, K.

    Publicado 2024
    “…Low yield can be explained by several reasons, including low quality seed. Sweetpotato is a vegetatively propagated crop (VPC) and is multiplied primarily by vine cuttings. …”
    Enlace del recurso
    Informe técnico
  5. Africa agriculture transformation scorecard: performance and lessons por Matchaya, Greenwell C., Kasoma-Pele, Winnie, Samikwa, D.

    Publicado 2024
    “…The brief concludes by highlighting necessary policy actions that the 16 SADC countries (Angola, Botswana, Comoros, Democratic Republic of Congo, Eswatini, Lesotho, Madagascar, Malawi, Mauritius, Mozambique, Namibia, Seychelles, South Africa, Tanzania, Zambia, and Zimbabwe) would have to take to achieve the Malabo Declaration’s targets by 2025. …”
    Enlace del recurso
    Brief
  6. Longitudinal observational (single cohort) study on the causes of trypanocide failure in cases of African animal trypanosomosis in cattle near wildlife protected areas of Northern... por Richards, Shauna, Pagnossin, D., Buyugu, P.S., Manangwa, O., Mramba, F., Sindoya, E., Paxton, E., Torr, S.J., Ritchie, R., Rossi, G.E., Anyanwu, Lawrence N., Barrett, M.P., Morrison, L.J., Auty, H.

    Publicado 2025
    “…This study in Tanzania aims to quantify reasons for trypanocide failure. An observational year-long longitudinal study was conducted in high-risk AAT areas in Serengeti District between June 2021-October 2022. …”
    Enlace del recurso
    Journal Article
  7. How are we doing? A tool to reflect on the process, progress and priorities of your multi-stakeholder forum por Sarmiento Barletti, Juan Pablo, Larson, Anne M., Cisneros, Natalia, Heise, Nicole, Liswanti, Nining, Mariño, Harlem, Tamara, Ade

    Publicado 2020
    “…MSFs have gained much attention around the world because of their potential to improve collaboration between different actors, sectors and governance levels to address complex challenges, which cannot be resolved by one actor alone. They can also include actors that, throughout history, have not been able (or allowed) to participate in decision making on land use and land-use issues and/or the design of initiatives that may affect their rights, territories, lives and livelihoods. …”
    Enlace del recurso
    Informe técnico
  8. Evaluation of CMIP6 models in simulating seasonal extreme precipitation over Ethiopia por Berhanu, D., Alamirew, T., Bewket, W., Tarkegn, T. G., Zeleke, G., Haileslassie, Amare, O’Donnell, G., Walsh, C. L., Gebrehiwot, S.

    Publicado 2025
    “…Our results show that most CMIP6 models reasonably captured the spatial distribution of the seasonal extreme precipitation indices even though they could not reproduce the magnitude of indices, especially in the highland and high rainfall areas of the country such as Northwest and west parts of the country. …”
    Enlace del recurso
    Journal Article
  9. Comparative genomics reveals common diversity and adaptation to harsh environments in the Arabian Peninsula indigenous chickens por Assiri, A., Vallejo-Trujillo, A., Al-Abri, M., Bahbahani, H., Almathen, F., Ahbara, A., Al Marzooqi, W., Tijjani, A., Lawal, R., Hanotte, Olivier H.

    Publicado 2025
    “…Here, we aimed to investigate the genome diversity and structure of 15 indigenous chicken populations including 13 populations from the AP (n = 5), Ethiopia (n = 6), and the People's Republic of China (n = 2). We also included two commercial chicken populations, Fayoumi (selected for heat tolerance) and Chantecler (known for its cold tolerance). …”
    Enlace del recurso
    Journal Article
  10. Heterosis and line-by-tester combining ability analysis for grain yield and provitamin A in maize por Tabu, I., Lubobo, K., Mbuya, K., Kimuni, N.

    Publicado 2023
    “…Developing a high-yielding and provitamin A-rich maize variety is one of the best approaches to reduce malnutrition and increase production, especially in regions where maize is a staple food, such as, the former Katanga Province in the Democratic Republic of the Congo. However, it requires a good knowledge of combining ability and heterosis for grain yield and provitamin A. …”
    Enlace del recurso
    Journal Article
  11. Actors and landscape changes in tropical Latin America: challenges for REDD+ design and implementation por Pacheco, P., Aguilar-Støen, M., Borner, J., Etter, A., Putzel, L., Vera-Diaz, M.D.C.

    Publicado 2010
    “…It will need to address some of the underlying structural reasons for resource overuse and underdevelopment in tropical forest areas…”
    Enlace del recurso
    Brief
  12. Physically based rainfall: Runoff modelling in the northern Ethiopian highlands: The case of Mizewa watershed por Taffese, T.

    Publicado 2011
    “…The output were calibrated for the year 1995-2004 using flow data obtained by area proportion from Gumara for Mizewa watershed and Gumara flow for Gumara watershed ( to derive parameters for Mizewa watershed) reasonable result were obtained (0.67 Ens, 0.684 R2). …”
    Enlace del recurso
    Tesis
  13. Weitzman's approach and conservation of breed diversity: An application to African cattle breeds por Reist-Marti, S.B., Simianer, H., Gibson, John P., Hanotte, Olivier H., Rege, J.E.O.

    Publicado 2003
    “…This scheme yielded reasonable estimates of extinction probabilities for the analyzed breeds, which were significantly influenced by the population size and its recent change, distribution of the breed, organization among farmers, establishment of conservation schemes, and reliability of information. …”
    Enlace del recurso
    Journal Article
  14. Assessing the vulnerability of Indian mustard to climate change por Boomiraj K, Chakrabarti, B., Aggarwal, Pramod K., Choudhary R, Chander, S.

    Publicado 2010
    “…The validated model (InfoCrop-mustard) has reasonably predicted phenology, crop growth and yield of mustard crop. …”
    Enlace del recurso
    Journal Article
  15. Evidence and Lessons from Latin America (ELLA) por Harvey, Blane, Ensor, Jonathan, Garside, Ben, Woodend, John, Naess, Lars Otto, Carlile, Liz

    Publicado 2013
    “…This is an example of a constructed network that was reasonably well resourced to gather and synthesise knowledge to “push” to networks of interested groups around particular topics. …”
    Enlace del recurso
    Case Study
  16. Breaking the cycles of land degradation: a case study from Ban Lak Sip, Lao PDR por International Water Management Institute

    Publicado 2005
    “…information which is vital if ways of resolving the problem are to be found. So, because of the analytical approach used, the case of Ban Lak Sip provides a cautionary lesson in the formulation of environmental policy. …”
    Enlace del recurso
    Brief
  17. Romper los ciclos de degradacion de la tierra: estudio de un caso en Ban Lak Sip, Republica Democratica Popular Lao. In SpanishBreaking the cycles of land degradation: a case study... por International Water Management Institute

    Publicado 2005
    “…information which is vital if ways of resolving the problem are to be found. So, because of the analytical approach used, the case of Ban Lak Sip provides a cautionary lesson in the formulation of environmental policy. …”
    Enlace del recurso
    Brief
  18. Genetic diversity, inter-gene pool introgression and nutritional quality of common beans (Phaseolus vulgaris L.) from Central Africa por Blair, Matthew W., González Martínez, L.F., Kimani, P.M., Butare, L.

    Publicado 2010
    “…The objective of this study was to evaluate the genetic diversity in a collection of 365 genotypes from the Great Lakes region of Central Africa, including a large group of landraces from Rwanda as well as varieties from primary centers of diversity and from neighboring countries of Central Africa, such as the Democratic Republic of Congo and Uganda, using 30 fluorescently labeled microsatellite markers and automated allele detection. …”
    Enlace del recurso
    Journal Article
  19. Silicon deficiency and the adaptation of tropical rice ecotypes por Winslow, M.D., Okada, Kensuke, Correa Victoria, Fernando J.

    Publicado 1997
    “…Critical values for diagnosis of Si deficiency in soils, water and rice husk tissue are suggested. These are reasonably consistent with, but extend the application of previously published values derived from lowland rice studies to upland environments, and use simpler sampling and analysis methods. …”
    Enlace del recurso
    Journal Article
  20. Use of agro-climatic zones to upscale simulated crop yield potential por Wart, Justin van, Bussel, Lenny G. J. van, Wolf, Joost, Licker R, Grassini, Patricio, Nelson, A., Boogaard, H., Gerber J, Mueller ND, Claessens, Lieven, Ittersum, Martin K. van, Cassman, Kenneth G.

    Publicado 2013
    “…Of the other four schemes, the Global Yield Gap Atlas Extrapolation Domain (GYGA-ED) approach, based on a matrix of three categorical variables (growing degree days, aridity index, temperature seasonality) to delineate CZs for harvested area of all major food crops, achieved reasonable balance between number of CZs to cover 80% of global crop area and climate homogeneity within zones. …”
    Enlace del recurso
    Journal Article

Herramientas de búsqueda: