Journal articles Open Access A Systematic Review of Drivers and Constraints on Agricultural Expansion in Sub-Saharan Africa B. Adolph · A. S. A. Chapman · A. J. M. Devenish · N. P. Jellason +3 more Understanding the dynamics of agricultural expansion, their drivers, and interactions is critical for biodiversity conservation, ecosystem-services provision, and the future sustainability of agricultural development in Sub-Saharan Africa … RUF-39236 2021 CC BY 4.0 9 Apr 2021
Journal articles Open Access Occupational Health Risks and Hazards Among the Fisherfolk in Kampi Samaki, Lake Baringo, Kenya M. A. Mokua · F. W. Ngaruiya · G. M. Ogendi : Globally, almost 2.78 million deaths that occur annually are attributed to work-related health risks. Worldwide and, especially, in developing countries, about 20% to 50% of the workers are exposed to health risks. Fishing is an ancient … RUF-39228 2019 CC BY 4.0 1 Apr 2021
Journal articles Open Access Socio - Economic Factors that Influence Adoption of Clean Seed Potato (Solanum tuberosum) by Small Scale Farmers in Njoro, Kenya L. Amwine · M. W. Mulu-Mutuku · A. O. Nkurumwa This study sought to determine the influence of selected social-economic factors on adoption of clean seed potato by small scale farmers in Njoro Sub-County, Kenya. Clean seed potato is one of the best types of seed potato that farmers can… RUF-39224 2019 CC BY 4.0 1 Apr 2021
Journal articles Open Access Econometric Modelling of Rural Farm Household Credit Allocation in Kakamega County, Kenya E. W. Gathungu · A. M. Kalio · J. T. Mukhwami Enhanced household access to credit is essential in boosting the performance of small and medium enterprises in developing nations. Despite the role played by micro-finance in enhancing access to credit among poor rural households, there i… RUF-39221 2020 CC BY 4.0 1 Apr 2021
Journal articles Open Access Development and the Environment: Overview of the Development Planning Process in Agricultural Sector, in Uganda F. Satognon · A. Waaswa The social component of the environment associated mostly with human activities has significantly imposed a threat to the only life-support systems of the earth. Uganda made adjustments in its planning process to prioritize environment con… RUF-39216 2020 CC BY 4.0 26 Mar 2021
Journal articles Open Access Role of networking capability, socio-economic and institutional characteristics on adoption tendencies of clean seed potato agri-enterprises in Central Rift Valley, Kenya O.I. Ayuya · E. O. Gido · A. M. Kibe · M. Mwangi +1 more Even though quality of seed is a major yield determinant in potato (Solanum tuberosum L.) production and global food security, inadequate availability of and access to high quality (certified) seed is a major challenge to potato producers … RUF-39213 2020 CC BY 4.0 26 Mar 2021
Journal articles Open Access Inclusion of Yeast Cultures (Saccharomyces cerevisiae) to Dairy Cows’ Urea-Treated Rice Straw Diets Improves Mozzarella Cheese Processing and Yield B.O. Bebe · O. B. Kashongwe · S. Odera · P. M. Simiyu This research paper addresses the hypothesis that adding yeast cultures (Saccharomyces cerevisiae) to urea-treated cereal crop residues could improve milk composition to the level of milk produced on pastures for the manufacture of Mozzare… RUF-39209 2020 CC BY 4.0 26 Mar 2021
Journal articles Open Access Risk Factors for School Absenteeism and Dropout: A Meta-Analytic Review M. Assink · J. Gubbels · C. E. Van der Put School absenteeism and dropout are associated with many different life-course problems. To reduce the risk for these problems it is important to gain insight into risk factors for both school absenteeism and permanent school dropout. Until… RUF-39200 2019 CC BY 4.0 12 Mar 2021
Journal articles Open Access Impacts of harvesting intensity on tree taxonomic diversity, structural diversity, population structure, and stability in a West African mangrove forest A.E. Assogbadjo · R. Glèlè Kakaï · C. Gnanglè · Sylvanus Mensah +2 more Understanding the impacts of wood harvesting intensity on the diversity and structure of ecosystems such as mangroves is essential for defining actions for their sustainable management. We compared tree taxonomic diversity, structural diver… RUF-39199 2021 CC BY 4.0 12 Mar 2021
Working Document Series Open Access Effects of water stress on yield and yield components of selected African landrace tomato (Solanum lycopersicum) accessions and commercial varieties J. Ambuko · G.N. Chemining’wa · M. Waiti Drought stress is one of the major constraints to enhancement of tomato (Solanum lycopersicum) productivity in Kenya. There exists a wide range of water stress tolerant tomato landraces in Africa that could be harnessed to improve the curr… RUF-39195 2018 CC BY 4.0 2 Mar 2021
Working Document Series Open Access Knowledge, attitudes and practices of indigenous chicken value chain actors in relation to infectious bursal disease transmission in Kenya L.C. Bebora · M.O. Bwana · P.G. Mbuthia · L.W. Njagi +2 more Infectious bursal disease (IBD) is a highly contagious and economically devastating viral disease of chicken that has been linked to relatively higher mortalities in indigenous chicken compared to in exotic ones. Since it is not clear what… RUF-39193 2018 CC BY 4.0 2 Mar 2021
Working Document Series Open Access Effect of selected herbicides on weed management in sorghum production in Kenya K. E. Cheruiyot · V.W. Njuguna · J. O. Ogendo · C.E. Tugat Weed infestation in sorghum (Sorghum bicolor L. Moench) forms a major biotic stress that needs to be addressed to achieve adequate grain supply to meet increasing industrial demand for sorghum. The aim of this study was to determine the mo… RUF-39192 2018 CC BY 4.0 2 Mar 2021
Working Document Series Open Access Determinants of adoption of agroforestry systems in the drylands of Kenya G. Kironchi · M. Nyangito · N.M. Syano · O.V. Wasonga Drylands typically suffer from unsustainable land uses which have evolved in the recent past. They face innumerable problems such as climate variability including extreme events such as drought, natural resources degradation, declining agr… RUF-39190 2018 CC BY 4.0 2 Mar 2021
Working Document Series Open Access Fostering inter-disciplinary research to enhance rural smallholder farmer innovation and technology uptake intention using the farmer group approach: A reveiw P. Kibwika · R. Sebuliba-Mutumba In Uganda, carrying out successful agricultural enterprises by rural smallholder farmers continues to meet production challenges unless actors are assisted to work collectively in groups to use innovate ideas and address them. Research sho… RUF-39188 2018 CC BY 4.0 2 Mar 2021
Working Document Series Open Access Effect of chisel plough shank design on some soil physical properties and sorghum growth and yield attributes in Gardud soil types B.Z. Moayad · B.O. Sarra Effect of curved and obtuse shank designs of chisel plough on some physical properties of sandy clay loam and sandy clay soil as well as sorghum growth and yield attributes were studied. In sandy clay loam and sandy clay soil, the curved s… RUF-39186 2018 CC BY 4.0 2 Mar 2021
Working Document Series Open Access Influence of arbuscular mycorrhiza fungi inoculation on growth of sweet potato varieties in Nairobi county, Kenya J.P. Gweyi-Onyango · J. Jefwa · M. Sakha Sweet potato is an important food security crop cultivated mostly under temperate and mild tropical climatic conditions. The crop is vegetatively propagated using vines. However, its productivity in Kenya is lower than its genetic potentia… RUF-39183 2018 CC BY 4.0 2 Mar 2021
Working Document Series Open Access Impact of crop management practices and soil type of Hwedza communal area of Mashonaland East Province in Zimbabwe S Mabasa · K. Mukomberanwa · J.T. Rugare The impact of crop management practices and soil type on weeds is only partially understood in Zimbabwe. A weed survey was carried out in Hwedza communal area of Mashonaland East Province in Zimbabwe during the 2014/2015 agricultural seaso… RUF-39175 2018 CC BY 4.0 2 Mar 2021
Working Document Series Open Access Impact of crop management practices and soil type of Hwedza communal area of Mashonaland East Province in Zimbabwe S Mabasa · K. Mukomberanwa · J.T. Rugare The impact of crop management practices and soil type on weeds is only partially understood in Zimbabwe. A weed survey was carried out in Hwedza communal area of Mashonaland East Province in Zimbabwe during the 2014/2015 agricultural seaso… RUF-39174 2018 CC BY 4.0 2 Mar 2021
Working Document Series Open Access Influence of Auxin (2.4-D,NAA and TDZ) on callus induction from different explants of Hibiscus sabdariffa M. K. Mohammed · T. Remaz · F. A. A. Sayed · O. E. Sayeda The production of Hibiscus sabdariffa (Roselle) in Sudan has increased during the last few years mainly by increasing the area under production. The crop is sold in both domestic and foreign markets. It is also important as a natural color… RUF-39172 2018 CC BY 4.0 2 Mar 2021
Working Document Series Open Access Comparative study on organic fertilizer (Elkhaseeb) and inorganic fertilizers effects on tomato (Solanum lycopersicum Mill.) and cucumber (Cucumis sativus L.) growth, yield and nutrient content under greenhouse conditions M. A. Eltayeb · M.M. Lubna · E.M. Rania Organic fertilizers are derived mainly from animal matter, human excreta or crop residues, while chemical fertilizers are defined as any inorganic material of wholly or partially synthetic origin, that is added to the soil to sustain plant… RUF-39166 2018 CC BY 4.0 2 Mar 2021
Working Document Series Open Access Occurrence and effect of fall armyworm on maize production in Arapai Sub-County, Soroti District, Eastern Uganda B. Bua · A. Ocwa · N. Opila Maize (Zea mays L) is ranked among the top three crops cultivated and consumed after bananas and cassava in Uganda. However, maize production is currently endangered by the fall armyworm (FAW) outbreak, which if not controlled causes enorm… RUF-39163 2018 CC BY 4.0 2 Mar 2021
Working Document Series Open Access Transmission pattern of Maize chlorotic mottle virus (Machlomovirus) on maize by Frankliniella williamsi and F. occidentalis (Thripidae) in Kenya R. Gitonga · R. Kahuthia · D.W. Miano · M. Mwangi +1 more Maize chlorotic mottle virus (MCMV) infects maize (Zea mays L) which is a major staple food crop in sub-Saharan Africa, causing yield losses of between 10-15%. When the virus co-infects with maize infecting potyviruses, they cause Maize le… RUF-39161 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access Fungal contaminants and aflatoxins in maize from lower eastern region in Kenya S.P. Kuate · D. O. Mbuge · W.M. Muiru · S.T. Mwangi +1 more Aflatoxin outbreaks have been reported in the lower eastern region of Kenya since 1978. These outbreaks have caused a lot of concern as some have led to loss of lives. This study was conducted to assess the extent of fungal contaminants in… RUF-39156 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access Calibration and application of DSSAT Model to estimate area yield index insurance premium for common bean at different growth stages and weather perils J. Mburu · C.M. Mukankusi · N. Ntukamazina · R.N. Onwonga +2 more CROPGRO-Dry bean model of Decision Support Tool for Agro technology Transfer (DSSAT) was calibrated and validated using observed yield data collected from field experiments conducted in three bean growing areas of Rwanda. These experiments… RUF-39151 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access Use of medicinal plant extracts and light sensitization to inhibit conidia growth in aflatoxin producing Aspergillus flavus L.M. Njoki · S.A. Okoth · P.M. Wachira Fungal proliferation causing aflatoxin contamination has been on the rise in Africa due to the adverse changes in climate. Deaths and diseases like cancers have been detected in human beings and animals due to consumption of these toxigeni… RUF-39147 2018 CC BY 4.0 1 Mar 2021