Journal Articles: Recent submissions
Now showing items 201-220 of 931
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Performance ranking in school mathematics in Kenya: A device that conceals and naturalizes inappropriate teaching strategies
(2020-08)Teaching strategies have a significant influence on students’ academic performance. This paper presents results from a qualitative study that examined the effects that performance ranking in Mathematics has on teaching ... -
A Review on Pyroprocessing Techniques for Selected Wastes Used for Blended Cement Production Applications
(Hindawi, 2020-08)Pyroprocessing is an important stage in cement manufacturing. In this process, materials are subjected to high temperatures so as to cause a chemical or physical change. Its control improves efficiency in energy utilization ... -
Quantitative trait loci (QTL) mapping of resistance to coffee berry disease (Colletotrichum kahawae Waller & Bridge) in Coffea arabica L. variety Rume Sudan
(Academic Journals, 2020-06)Coffee Berry Disease (CBD) is a major constraint that limits Coffea arabica production, whose resistance is governed by three genes, T, R that are dominant and recessive k in varieties Hibrido de Timor (HDT), Rume Sudan ... -
Heavy metal concentrations in soil and vegetables irrigated with sewage effluent: A case study of Embu sewage treatment plant, Kenya
(Elsevier, 2020-02)As a result of the increasing constraint in the availability of fresh water for irrigation, wastewater especially sewage effluent is being used for irrigation of agriculture fields, par- ticularly in urban and peri–urban ... -
The Relationship between Agricultural Teaching Approaches and Food Security in Kenya
(Hindawi, 2020-07)(e continued food insecurity, despite the teaching of agriculture amidst the novel coronavirus (Covid-19), is a major global concern especially in Africa. (ere is food shortage in Africa and Kenya in particular despite ... -
Exploring the Changes of Resistant Genes Expression in Groundnuts (Arachis Hypogea) In Response to Aspergillus Flavus Exposure at Seedling Stage
(2020-07)Aspergillus flavus infect groundnut seeds and produce secondary metabolites, aflatoxins. The aflatoxins are associated with various diseases in domestic animals and humans globally. Mitigating the aflatoxin contamination ... -
A hybridization technique for orphan legumes: development of an artificial interspecific pollination protocol for Crotalaria spp.
(Taylor and Francis, 2020-08)rotalaria brevidens: and C. ochroleuca commonly grown as vegetables have been extensively studied. However, information on breeding techniques is scanty. This study aimed to develop an artificial interspecific pollination ... -
Diversity and structure of prokaryotic communities within organic and conventional farming systems in central highlands of Kenya
(PLOS, 2020-08)Management practices such as tillage, crop rotation, irrigation, organic and inorganic inputs application are known to influence diversity and function of soil microbial populations. In this study, we investigated the ... -
Characterization of Local Nano-Heat Transfer Fluids for Solar Thermal Collection
(Hindawi, 2020-08)Performance of organic oils in solar thermal collection is limited due to their low thermal conductivity when they are compared to molten salt solutions. Extraction of organic oils from plants can be locally achieved. 'e ... -
Characterization of composite material from the copolymerized polyphenolic matrix with treated cassava peels starch
(Heliyon, 2020-07)Conventional binders in the particleboards formulation involve use of formaldehyde resins. Epidemiologic studies show that formaldehyde is carcinogenic. Efforts to reduce formaldehyde emissions by use of scavengers has ... -
Prokaryotic diversity and potentially pathogenic bacteria in vended foods and environmental samples
(BMC, 2021-07)Purpose: Ready-to-eat fast food vending outlets provide a cheap and readily available food. Foodborne diseases have been previously reported in Embu, Kenya, but data on the prokaryotic metagenome in vended foods is scanty. ... -
In Vitro Control ofPhytophthora infestans and Alternaria solani Using Crude Extracts and Essential Oils from Selected Plants
(Hindawi, 2020-07)Tomato production is constrained by fungal diseases especially the early and late blight caused by Alternaria solani and Phytophthora infestans, respectively. Control of the two diseases is usually by use of synthetic ... -
Influence of drought on interactions between Rhopalosiphum padi and ground dwelling predators – A mesocosm study
(Wiley, 2021-05)Climate change will lead to extreme droughts, but it is difficult to predict how this will affect crop pests. In particular, it is unclear how interactions between natural en- emies and pests will be influenced. In the ... -
Mutations and Epidemiology of SARS-CoV-2 Compared to Selected Corona Viruses during the First Six Months of the COVID-19 Pandemic: A Review
(2021-06)Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the causative agent of coronavirus (CoV) disease 2019 (COVID-19). This study compared the genome, mutations, and infectivity/ transmissibility of SARS-CoV-2 ... -
Performance appraisal training of employees: A strategy to enhance employees’ performance in public teacher training colleges in Kenya
(Academic Journals, 2021-06)Human Resource (HR) practices like performance appraisal (PA) training are meant to ensure that employees are equipped with the knowledge and skills needed for the attainment of organisational goals. However, gaps still ... -
Mchango wa Lugha za Kiasili katika Uafikiaji wa Maendeleo Endelevu
(2021-06)Makala hii inajadili dhima ya lugha za kiasili, ikiwemo ya Kiswahili, katika kuafikia maendeleo endelevu barani Afrika. Kimsingi, asilimia kubwa ya wenyeji wa bara hili huishi katika maeneo ya mashambani na huzitumia ... -
Technical efficiency of the small-scale tea processors in Kenya: a stochastic metafrontier approach
(Emerald, 2020-04)Purpose – Importance of small-scale tea producers in Kenya is not in doubt. They account for 60% of all tea produced in the country, serve about 560,000 tea farmers and employ about 10,000 people directly. However, the ... -
The Influence of Value Innovation Strategy on the Financial Performance of Manufacturing Firms in Kenya
(Academic Research Publishing Group, 2020-12)Value innovation is the cornerstone of blue ocean strategy. Value innovation strategy aims at making competition irrelevant. The concept of value innovation strategy is founded on the belief that a business can make its ... -
Extension training for banana value addition among smallholder farmers in Meru and Tharaka-Nithi counties, Kenya
(Academic Journals, 2021-04)Extension training is intended to increase the efficiency and performance of the human resource that acts responsibly in a society based on a communication interaction with knowledge sources. The main objective of this ... -
Bioremediation of mortar made from Ordinary Portland Cement degraded by Thiobacillus thioparus using Bacillus flexus
(Heliyon, 2021-06)Cement is widely used as a construction material in the construction industry. However, there are challenges affecting its durability efficacy. Cement mortar/concrete is subject to degradation by aggressive ions such ...
