Working Document Series Open Access Towards the creation of an ensemble model for sentiment analysis based on naïve bayes and support vector machine for product review classification: A Literature Survey P. Ochieng · R. V. Ogutu · C. Otieno · R. Rimiru Sentiment analysis has demonstrated that the automation and computational recognition of sentiments is possible and evolving, due to factors such as; emergence of new technological trends and the continued dynamic state of the human langua… RUF-39603 2018 CC BY 4.0 20 Jul 2022
Working Document Series Open Access Impacts of land cover changes on soil quality and the distribution/composition of pasture grasses species in Enkushin Micro Catchment, Kajiado County, Kenya J. Kimigo · J.N. Mugwe · F. Wandera Land cover changes have profound effects on production systems in arid and semi-arid lands (ASALS). Often these changes results in land degradation in form of soil erosion and overgrazing of pastures. This study evaluated the impact of lan… RUF-39599 2018 CC BY 4.0 20 Jul 2022
Working Document Series Open Access Preparing Agriculture Graduates for the Job Market: A Case Study of On-farm Experiential Learning by Students E. Amwoka · E. L. Chimoita · J. W. Kimenju · E. Muiruri +2 more Technical support is a critical ingredient to the transformation of agriculture. However, a major decline in the provision of extension services has been taking place over the last two decades in Kenya. In an effort to support the transfor… RUF-39596 2018 CC BY 4.0 20 Jul 2022
Working Document Series Open Access Stakeholder involvement in university curriculum development: A case study of horticulture programme in Public Universities in Kenya R. Atikiya · M. Elegwa · M. Martin · W. Renate The purpose of this study was to explore the perception of horticulture sub-sector stakeholders on their involvement in horticulture curriculum development in public universities in Kenya. For this purpose, an exploratory research design u… RUF-39578 2018 CC BY 4.0 29 Jun 2022
Working Document Series Open Access Aligning Sustainable Agriculture to Sustainable Development Goals in Africa V. Ogemah Agriculture is faced with the challenge of offering remedies to the three of the world’s most important threats to human life, namely food shortage, poverty and adverse effects of climate change. These challenges are on their part affected… RUF-39573 2018 CC BY 4.0 14 Jun 2022
Working Document Series Open Access Multiplicity of institutional regulations along Somalia-Kenya Trade Corridor M. P. Guthiga · T. Hagmann · O. P. Ng’asike · T. J. Njoka +1 more Qualitative research and ethnographic observations were used in this study to document daily practices of livestock market actors and public service providers. Using 46 interviews and 7 FGDs with various market actors, the loosening of Sta… RUF-39572 2018 CC BY 4.0 14 Jun 2022
Working Document Series Open Access Vertebrate Animal Bites and Scratch Injuries in Patients Reporting at Kakamega Provincial General Hospital, Western Kenya, 2009 W. Akhwale · G. Kikuvi · J. U. Manyengo · K. Nelima +1 more In developing countries, there is underestimation of the importance of vertebrate animal bites and scratches in morbidity, mortality and loss of life in public health. In 2009, a study was done to determine characteristics of vertebrate an… RUF-39567 2018 CC BY 4.0 14 Jun 2022
Working Document Series Open Access The effects of entrepreneurial orientation on enterprise performance: A review E. Gathungu · D. M. Musyoka Business success in a dynamic operating environment is an important inquiry in the entrepreneurship literature. Entrepreneurial orientation as one of the construct associated with business success is considered a key factor for new and sma… RUF-39554 2018 CC BY 4.0 14 Jun 2022
Working Document Series Open Access The wrath of unprecedented university expansion in Kenya R. W. Michieka This paper examines critical issues that nurture human beings through university education. It analyses the effect of rapid university expansion in Kenya and their impact on the economic and social sustainability. A country’s development r… RUF-39549 2018 CC BY 4.0 14 Jun 2022
Journal articles Open Access Land Sub-Division and its Impact on Household Food Security. Evidence from Nyamira North Sub County, Kenya S. Auya · F. Barasa · L. Sambu Land is a crucial resource that human beings depend on for survival. For rural dwellers, livelihood land and life are inseparable. However, since the last three decades, farm sizes held by households in many parts of Africa and Kenya in sp… RUF-39538 2022 CC BY 4.0 27 May 2022
Journal articles Open Access Determinants of quality-based payments for livestock in conflict-prone areas in Kenya M. Hauser · J. Mugonya The mechanisms influencing livestock pricing in Kenya are well studied. The determinants of quality-based payments on markets in conflict-affected areas, however, are hardly documented. In this paper, we offer a deeper understanding of tra… RUF-39467 2022 CC BY 4.0 3 Feb 2022
Journal articles Open Access GWAS provides biological insights into mechanisms of the parasitic plant (Striga) resistance in sorghum J. Kavuluko · M. Kibe · W. Kibet · T. Magomere +6 more Background: Sorghum yields in sub-Saharan Africa (SSA) are greatly reduced by parasitic plants of the genus Striga (witchweed). Vast global sorghum genetic diversity collections, as well as the availability of modern sequencing technologie… RUF-39417 2021 CC BY 4.0 18 Sep 2021
Journal articles Open Access Knowledge Gaps in Taxonomy, Ecology, Population Distribution Drivers and Genetic Diversity of African Sandalwood (Osyris lanceolata Hochst. & Steud.): A Scoping Review for Conservation M. Curto · A. Egeru · J. I. Kanya · S. K. Kiboi +3 more The increasing demand for ornamental, cosmetic and pharmaceutical products is driving exploitation of plant species globally. Sub-Saharan Africa harbours unique and valuable plant resources and is now a target of plant resource depletion. … RUF-39399 2021 CC BY 4.0 9 Sep 2021
Journal articles Open Access Farmer preference for selected finger millet (Eleusine coracana) varieties in Rift Valley, Kenya P.K. Kimurto · J. J. Mafurah · N.W. Mungai · H. Ojulong +1 more Lack of awareness and information on the traits of orphan crops such as finger millet is a major constraint to finger millet production. Farmer participatory and varietal selection (FVPS) is an efficient method of achieving productivity th… RUF-39396 2021 CC BY 4.0 9 Sep 2021
Journal articles Open Access Communicating climate change adaptation strategies: climate-smart agriculture information dissemination pathways among smallholder potato farmers in Gilgil Sub-County, Kenya A. M. Kibe · N. J. Kipkemoi · A. O. Nkurumwa · A. Waaswa Proven and sustainable practices like climate-smart agricultural practices (CSAPs) need to be prioritized and promoted for uptake especially by the farmers to achieve sustainable development. These are capable of contributing to the realiz… RUF-39389 2021 CC BY 4.0 30 Aug 2021
Journal articles Open Access Effects of Calcium Nitrate Levels and Soaking Durations on Cocopeat Nutrient Content S. N. Gbollie · A. M. Kibe · S.M. Mwonga Cocopeat, a by-product of the coconut (Cocos nucifera L.), is an important soilless media that contains high potassium (K), sodium (Na), and electrical conductivity (EC) depending on its source. Methods for extracting these elements and th… RUF-39388 2021 CC BY 4.0 30 Aug 2021
Working Document Series Open Access Soybean (Glycine max) and maize (Zea mays) production as influenced by rhizobia inoculation and cropping systems in western Kenya C. Masso · E.M. Mutegi · R. Okalebo · A. Otinga +1 more The use of promiscuous varieties and commercial inoculants has been shown to increase soybean production and improve soil fertility. However, most cropping systems are characterized by indigenous bradyrhizobia whose populations are often l… RUF-39365 2018 CC BY 4.0 28 Jul 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-39364 2018 CC BY 4.0 28 Jul 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-39363 2018 CC BY 4.0 28 Jul 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-39362 2018 CC BY 4.0 28 Jul 2021
Working Document Series Open Access Adoption and impact of improved pigeon peas on household poverty in South East Kenya J. R. Busienei · S. J. Matere · O. L. E. Mbatia About 60% of the population in South Eastern Kenya is estimated to be below the poverty line, with majority of the poor living in rural areas, where agriculture is the main source of livelihood. Most of the impoverished areas are largely s… RUF-39361 2018 CC BY 4.0 28 Jul 2021
Working Document Series Open Access Agronomic performance and carotenoid content of Kenyan yellow-fleshed cassava clones R. Edema · J. Kamau · P. Njenga · G. Ooko Vitamin A deficiency is common in Kenya, and is common among populations that depend on cassava as their main staple. Clonal evaluation of 324 locally developed yellow-fleshed cassava clones was carried out in two sites, Thika and Kiboko l… RUF-39352 2018 CC BY 4.0 28 Jul 2021
Working Document Series Open Access Indigenous fungi with antagonistic potential against potato cyst nematodes in Kenya R. Kahuthia-Gathu · J.K. Musango · J.W. Waceke Potato (Solanum tuberosum), which is the second most important food crop in Kenya, has various production constraints including potato cyst nematodes (PCN). This nematode which was first reported in 2014 is now ranked highest. The main opt… RUF-39351 2018 CC BY 4.0 28 Jul 2021
Working Document Series Open Access Soil properties and maize yields under tied ridging, fertilizer micro-dosing and different cropping systems in semi-arid regions of Kenya B.O. Danga · K. Kwena · J. Mugwe · N. Mwende In semi-arid parts of Kenya, the major threat to food security is declining soil fertility, inadequate and un-reliable rainfall. In order to minimize these challenges, there is need to adopt soil management practices that cope with low rai… RUF-39348 2018 CC BY 4.0 28 Jul 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-39346 2018 CC BY 4.0 28 Jul 2021