Resultados de búsqueda - Emcees~

  1. Reproductive seasonality in African ungulates in relation to rainfall por Ogutu, Joseph O., Piepho, Hans-Peter, Dublin, Holly T.

    Publicado 2014
    “…Fecundity and recruitment rates among the African ungulates peak at intermediate levels of rainfall and are reduced at low or excessive levels of rainfall. Fecundity rate is most strongly positively correlated with rainfall pre-conception, during conception and during early gestation, followed by rainfall at about the time of parturition for all the grazers. …”
    Enlace del recurso
    Journal Article
  2. Impact of global change on large river basins: Example of the Yellow River basin por Cenacchi, Nicola, Xu, Zongxue, Yu, Wang

    Publicado 2011
    “…Particular climatic conditions, the rapid socioeconomic development, and the absence of defined water rights have led to excessive water abstraction. During the last 50 years agricultural water use has increased by more than 250 percent, while water demand from industry and domestic use has grown even more steeply. …”
    Enlace del recurso
    Artículo preliminar
  3. Cassava baseline report under the agricultural transformation in the Nigerian Federal States and Togolese Regions towards achieving Zero Hunger Project por Abioye, O., Gmakouba, T., Shaibu, A., Akande, A.

    Publicado 2024
    “…The average yield per hectare was 8.9 tons, with 33.18% of farmers exceeding 10,000 kg/ha. Regarding the cassava seed system, 72.61% of farmers did not purchase cassava stems, and 89.53% did not sell them. …”
    Enlace del recurso
    Informe técnico
  4. Assessment of genetic diversity and heterotic alignment of CIMMYT and IITA maize inbred lines adapted to sub-Saharan Africa por Gonhi, T., Odong, T.L., Dramadri, I.O., Ochwo-Ssemakula, M., Chiteka, Z.A., Adjei, S.A., Muungani, D., Menkir, A., Badu-Apraku, B., Adejumobi, I., Uwimana, B., Dhliwayo, T., Wegary, D., Derera, J.

    Publicado 2025
    “…More than 89% of the elite lines had homozygosity exceeding 95%, with the remaining lines requiring further inbreeding through repeated self-pollination. …”
    Enlace del recurso
    Journal Article
  5. Allelic variants of OsSUB1A cause differential expression of transcription factor genes in response to submergence in rice por Sharma, Niharika, Dang, Trang Minh, Singh, Namrata, Ruzicic, Slobodan, Mueller-Roeber, Bernd, Baumann, Ute, Heuer, Sigrid

    Publicado 2018
    “…Submerged rice plants die within a week due to lack of oxygen, light and excessive elongation growth to escape the water. Submergence tolerance was first reported in an aus-type rice landrace, FR13A, and the ethylene-responsive transcription factor (TF) gene SUB1A-1 was identified as the major tolerance gene. …”
    Enlace del recurso
    Journal Article
  6. Rice value chain development in Fogera woreda based on the IPMS experience por Gebey, T., Berhe, Kahsay, Hoekstra, Dirk, Alemu, B.

    Publicado 2012
    “…In the rapid rural appraisal conducted by IPMS and various stakeholders in 2004/05, farmers in seasonally flooded areas wanted to increase their rice acreage by addressing bottlenecks in the value chain, in particular excessive weed growth. At the same time farmers in the upland areas were also interested in introducing rice into their farming system. …”
    Enlace del recurso
    Case Study
  7. Profiling Ethiopian finger millet (Eleusine coracana) accessions for major agronomic traits and nutrient composition under varying drought stress por Gebreyohannes, Adane, Hussein, Shimelis, Mashilo, Jacob, Odeny, Damaris A., Taye Mindaye, Ojulong, Henry, Ojiewo, Chris O.

    Publicado 2025
    “…Broad‐sense heritability exceeded 60% for drought tolerance (Drt) score, DF, and DM, but remained below 30% for plant height, starch content and GY. …”
    Enlace del recurso
    Journal Article
  8. An AI-driven River Salinity Forecast and Advisory System for Climate Resilient Agriculture in Coastal Bangladesh por Matheswaran, Karthikeyan, Behera, Abhijit, Sena, Dipaka Ranjan, Jampani, Mahesh, Hasib, Md Raqubul, Mondal, Manoranjan K.

    Publicado 2025
    “…Validation of forecasts issued in July 2025 for Polders 34/2P and 30 showed strong performance, with Nash–Sutcliffe Efficiency (NSE) values exceeding 0.80 and per cent Bias (PBIAS) under 10% for the forecasted salinity windows. …”
    Enlace del recurso
    Resumen
  9. Accelerating the transformation of the rice sector in Burkina Faso: moving from technology to system-wide pathways por Kpadonou, G Esaie, Ganyo, Komla Kyky, Segnon, Alcade Christel, Dossou Yovo, Elliot R, Dicko, Mohamed, Sall, Abdou, Batieno, Benoit Joseph, Ndaw, Omar, Ouattara, Yabile Florence, Kane, Mahamadi, Lamien, Nieyidouba, Zougmore, Robert Bellarmin

    Publicado 2025
    “…The transformation of the rice sector in West Africa remains a strategic priority as rising consumption continues to outpace regional production, leading to persistent reliance on imports exceeding 15 million tons annually. Despite years of investments aimed at closing the yield gap, the rice sector has not undergone the structural transformation needed to achieve competitiveness, reduce climate and market vulnerability, and generate broader economic opportunities. …”
    Enlace del recurso
    Informe técnico
  10. Brief on scaling the youth and women quality centre model for Inclusive seed systems in Uganda por Lutomia, Cosmas Kweyu, Bomuhangi, Allan, Yila, Jummai Othniel, Ketema, Dessalegn, Nchanji, Eileen

    Publicado 2025
    “…Importantly, gender gaps in access narrowed or reversed, and youth participation and productivity matched or exceeded that of older farmers. The YWQC model also reshaped seed sourcing behaviour. …”
    Enlace del recurso
    Brief
  11. Groundwater quality and its health impact: an assessment of dental fluorosis in rural inhabitants of the Main Ethiopian Rift por Rango, T., Kravchenko, J., Atlaw, B., McCornick, Peter G., Jeuland, M., Merola, B., Vengosh, A.

    Publicado 2012
    “…10.5 mg/L; range: 1.1 to 68 mg/L), with 48 of 50 exceeding the WHO drinking water guideline limit of 1.5 mg/L. …”
    Enlace del recurso
    Journal Article
  12. Long-term integrated soil fertility management in South-western Nigeria : Crop performance and impact on the soil fertility status por Vanlauwe, Bernard, Diels, J., Sanginga, Nteranya, Merckx, Roel

    Publicado 2005
    “…This is reflected in all soil fertility parameters, in added benefits due to the combined use of fertilizer nitrogen and organic residue application and in a more stable maize yield over the years, averaging 2.8 tonnes/ha with maximal deviations from the average not exceeding 21%.…”
    Enlace del recurso
    Journal Article
  13. Double no-till and permanent raised beds in maize–wheat rotation of north-western Indo-Gangetic plains of India: Effects on crop yields, water productivity, profitability and soil... por Jat, Mangi Lal, Gathala, Mahesh Kumar, Saharawat, Yashpal S., Tetarwal, J.P., Gupta R, Singh, Yadvinder P.

    Publicado 2013
    “…Excessive pumping of groundwater over the years to meet the high water requirement of flooded rice crop and intensive tillage have threatened the sustainability of irrigated rice–wheat system (RWS) in the Indo-Gangetic plains (IGP) of South Asia. …”
    Enlace del recurso
    Journal Article
  14. The effect of non-fluoride factors on risk of dental fluorosis: evidence from rural populations of the Main Ethiopian Rift por Kravchenko, J., Rango, T., Akushevich, I., Atlaw, B., McCornick, Peter G., Merola, R.B., Paul, C., Weinthal, E., Harrison, C., Vengosh, A., Jeuland, M.

    Publicado 2014
    “…Among 35 examined elements in groundwater, Ca, Al, Cu, and Rb were found to be significantly correlated with dental health outcomes among the residents exposed to waterwith excessive F- concentrations. Quantitative estimates obtained in our study can be used to explore new water treatment strategies, water safety and quality regulations, and lifestyle recommendations which may be more appropriate for this highly populated region.…”
    Enlace del recurso
    Journal Article
  15. Greenhouse gas mitigation potential of the world’s grazing lands: Modeling soil carbon and nitrogen fluxes of mitigation practices por Henderson, Benjamin B., Gerber, Pierre J., Hilinski, T.E., Falcucci, A., Ojima, D.S., Salvatore, M., Conant, Richard T.

    Publicado 2015
    “…Conversely, N2O emissions from N fertilization exceeded soil C sequestration, in all regions. Our estimated potential for increasing C stocks though in grazing lands is lower than earlier worldwide estimates (Smith et al., 2007 and Lal, 2004), mainly due to the much smaller grazing land area over which we estimate mitigation practices to be effective. …”
    Enlace del recurso
    Journal Article
  16. Shallow wells, the untapped resource with a potential to improve agriculture and food security in southern Mali por Zemadim, Birhanu, Tabo, Ramadjita

    Publicado 2016
    “…Background Excessive rainwater during the rainy season and lack of water in the dry season have been challenging the agricultural productivity and food security for rural communities in southern Mali. …”
    Enlace del recurso
    Journal Article
  17. Natural resource integrity: A resilient community on the degraded slopes of Mount Elgon takes on mending its broken landscape por Otiende, V.A., Bourne, M., Tanui, J., Mowo, J.

    Publicado 2016
    “…The once beautiful foothills of Mount Elgon, in eastern Uganda are today seriously degraded, with excessive water run-offs and landslides becoming regular occurrences. …”
    Enlace del recurso
    Informe técnico
  18. Prevalence of aflatoxin in feeds and cow milk from five counties in Kenya por Senerwa, D.M., Sirma, A.J., Mtimet, Nadhem, Kang'ethe, Erastus K., Grace, Delia, Lindahl, Johanna F.

    Publicado 2016
    “…The percentages of dairy feeds from farmers with AFB1 above the World Health Organization/Food and Agriculture Organization of the United Nations (WHO/FAO) limit of 5 ppb varied from 33.3% to 87.5 % while 83.3% to 100% of the feeds from retailers and 28.6% to 100% of the feeds from manufacturers exceeded the WHO/FAO limit. Aflatoxin M1 prevalence in milk was lowest in Kwale (13.6%) and highest in Tharaka-Nithi (65.1%). …”
    Enlace del recurso
    Journal Article
  19. Balanced feeding could improve productivity of cross-breed dairy cattle in smallholder systems (Tigray, northern Ethiopia) por Alemayehu, Tadesse, Matovu, M., Tesfay, Y., Breusers, M., Fievez, Veerle

    Publicado 2016
    “…In the other groups imbalanced diets were fed, of which 26% were protein deficient (group 1), whereas (surprisingly) 56 % of the farms included more than 10% NSC in their diet, which resulted in an excessive protein supply. The milk yield of group 1 potentially could be increased by 114% with an additional supplement of 1.6 kg of NSC. …”
    Enlace del recurso
    Póster

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