Articles
Page 7 of 1263, showing 50 records out of 63137 total, starting on record 301, ending on 350
Journal of Horticulture and Forestry
Assessment of forest cover changes in and around Jorgo Wato Forest, West Wollega, Oromia, Western Ethiopia
July-September 2023
Detecting and identifying the changes in land cover provides the updated information about forest cover changes. Identifying forest cover change is also necessary information for planning and management of sustainable use of natural resources. This study was conducted to detect the dynamics of forest cover change in and around Jorgo Wato forest, West Wollega zone of Oromia National Regional State. In order to assess...
African Journal of Food Science
Quantification of ethanol and identification of other chemical constituents in homemade morula beer using gas chromatography-mass spectrometry (GC-MS)
July 2023
Morula (Sclerocarya birrea) beer is a seasonal homemade alcoholic beverage made from morula fruits pulp. Unlike the commercial morula alcoholic beverage, the alcohol content of homemade morula beer is not known. The major challenges with homemade alcoholic beverages arise from batch-to-batch differences in product quality and safety due to the variability of raw materials and lack of quality control. Consequently, the...
Journal of Ecology and The Natural Environment
Effects of land use on floristic composition and diversity of woody vegetation in the commune of Enampore, Senegal
July-September 2023
The diversity of woody vegetation is threatened by intensified land use and soil chemistry. However, the effects of land use and soil chemistry on woody vegetation are not well known. The objective of this study was to determine the influence of land use classes (upland, uncultivated lowland, cultivated lowland, and tans) on the diversity and structure of woody vegetation in the commune of Enampore. To do this, an...
African Journal of Biochemistry Research
Physicochemical properties and fatty acid composition of freshly prepared palm oil
July-September 2023
Elaeis guineensis commonly known as the African palm oil, a monocotyledon widely used due to its nutritional and economic importance. The effect of deterioration of the harvested palm fruit on the physicochemical properties and fatty acid composition of palm oil was investigated. The palm fruit was processed after each period of deterioration (fresh, 7, 14 and 21 days after harvest) for oil production. AOAC Standard...
African Journal of Biotechnology
Contact activities of Piper guineense (Schum and Thonn) and Eugenia aromaticum (L). (Merril and Perryl) extracts against larvae of hide beetles, Dermestes maculatus (Degger) (Coleoptera: Dermestidae)
July 2023
Contact activities of Piper guineense (Schum and Thonn) and Eugenia aromaticum (L). (Merril and Perryl) extracts in the control of Dermestes maculatus larvae infesting stored fish (Clarias gariepinus) were investigated under laboratory condition (28 ±3°C and 65±5% RH). The extracts were tested by application of 2.0 µL each to ten third instars larvae using micro pipette at a concentration of...
Journal of Hospitality Management and Tourism
Review on ecotourism potentials, challenges and opportunities in Ethiopia
July-December 2023
Ecotourism is defined as intentional activity to natural and cultural areas to appreciate nature. The main objective of this review was to examine ecotourism potentials, challenges and opportunities in Ethiopia. To achieve the objective, relevant published scientific literatures were used as data sources. These data were obtained from freely accessible search engines. The review paper was done using common and freely...
Educational Research and Reviews
Relationship between Chinese college students’ perceived transformational leadership by physical education teachers and their exercise adherence: The mediating role of physical self-efficacy
July 2023
The interruption of regular physical exercise among Chinese college students is a key cause of the lack of motivation to exercise. Therefore, on the basis of self-efficacy theory, this study analysed the interrelationships between the perception of transformational leadership in physical education (PE) by teachers, physical self-efficacy, and exercise adherence among Chinese college students. A questionnaire survey was...
International Journal of Psychology and Counselling
Do the HoNOS and the HiTOP converge? Factor structure and normative data in a diverse Norwegian patient sample
July-September 2023
A large factor analysis of the Health of the Nation Outcome Scale (HoNOS) indicates similarities between HoNOS factors and Hierarchical Taxonomy of Psychopathology (HiTOP) spectra. A diverse sample of 866 Norwegian patients gathered in several studies was factor analyzed to try to replicate Speak et al.’s four factors and to do a conceptual analysis to connect the factors to HiTOP spectra. A primary severity...
African Journal of History and Culture
The copper mine at Hofret en Nahas, Sudan
July-December 2023
Copper is the world’s third most important metal after iron and aluminium. It has been used for thousands of years and continues to be an important item in manufacturing, medicine, construction and the electrical industries. The world has enormous reserves of copper ore: It is found in many African countries. Sudan has considerable resources in the Red Sea area and in the southwest of the country but almost none...
Journal of Agricultural Extension and Rural Development
Determinants of youth unemployment in agribusiness employment opportunities in Northern Malawi
July-September 2023
Malawi is one of the underdeveloped agriculture economies in Sub-Saharan Africa where youth unemployment is worrisome. This study sought to analyse determinants of youth unemployment in agribusiness employment opportunities in northern Malawi. The study aimed at answering questions related to why youth unemployment when agribusiness employment opportunities were available. The study was descriptive in nature and adopted...
African Journal of Agricultural Research
Response of rice (Oryza sativa L.) to foliar fertilizer
July, 2023
This experiment was conducted to evaluate the impact of foliar fertilizer on the growth and yield parameters of rice, due to the fact that foliar fertilizer utilization is not a common practice in field crop production in Ghana. Eight treatments comprising two (Recommended fertilizer application rate for farmers) and six others which are the foliar fertilizer (Boost Xtra foliar fertilizer) were used. The analyzed...
African Journal of Agricultural Research
Impact of climate change on cotton production: The case of three major cotton producing provinces in Zimbabwe
July, 2023
The objective of this study was to describe effects of temperature regimes and rainfall patterns on cotton production in Zimbabwe. A 30 years climate data was sourced from Zimbabwe Department of Meteorological Services and cotton statistics from Department of Agriculture and Rural Extension (AREX), Zimbabwe. Descriptive statistics was used to determine observed trends between the recorded climatic data and the cotton...
International Journal of Educational Administration and Policy Studies
School dropout and early marriage affects youth agribusiness employment
July-December 2023
This article focused on uncovering the background of the youth lamenting unemployment in the presence of agribusiness employment opportunities. A phenomenological qualitative design was employed to generate in-depth information. The sample frame was formed of youth agribusiness clubs from the district agribusiness office. Purposive and snowball sampling was used to recruit participants doing different agribusinesses....
Journal of Ecology and The Natural Environment
Diversity and composition of the epiphytic flora in an urban agglomeration: The case of city of Douala, Cameroon
July-September 2023
Epiphytes constitute an element of climate regulation in the tropical zone. In Cameroon, the decline in forest area of about 220,000 ha, partly due to urbanization, has been observed. The research aim was to characterize the epiphytic flora of the urban ecosystem of Douala. Four zones represented by nine neighbourhoods were chosen for the surveys. Four transects of a maximum distance of 500 m were scanned on each...
African Journal of Agricultural Research
Growth performance of lavender, pearl grey, royal purple and white varieties of domesticated helmeted guinea fowl (Numida meleagris) raised under intensive management system in Botswana
July, 2023
The objective of this study was to evaluate growth performance of pearl grey, lavender, royal purple and white varieties of helmeted guinea fowl (Numida meleagris) raised under intensive management system. A total of 47, 43, 37 and 30 guinea fowls of pearl grey, lavender, royal purple and white varieties, respectively, were evaluated for growth performance. The guinea fowls were raised under deep litter management...
International Journal of Vocational and Technical Education
TVET, economy and sustainable development
July-December 2023
Technical and vocational education and training (TVET) has long been recognized as a key driver of economic growth and sustainable development. TVET programs provide individuals with the skills and knowledge needed to succeed in the modern economy, while also helping to bridge the gap between education and employment. In this paper, the literature was reviewed on the role of TVET in promoting sustainable development and...
African Journal of Pharmacy and Pharmacology
Assessment of antibiotics use and associated problems at Jimma Health Center, South West Ethiopia
July 2023
Misuse of antibiotics is the main cause for resistance development. The objective of this study is to assess patterns of antibiotics use and associated problems at Jimma Health Center. The study was conducted from February 25, 2016 to March 25, 2016. For the analysis of prescribing indicators retrospectively 295 patient charts that fulfills inclusion criteria were systematically selected from a total of 9800 charts from...
African Journal of Pharmacy and Pharmacology
Synthesis of organic compounds using yellow yam (Dioscorea praehensilis) tyrosinase as catalyst
July 2023
The authors report the synthesis of some bioactive organic compounds which could be of pharmacological interest using Dioscorea praehensilis tyrosinase immobilized on calcium-alginate beads. The enzymatic synthesis of these compounds involved pyruvic acid as a source of carbonyl groups, ammonia and catechol. Catechol was used as substrate and a parent compound that supplied aromatic ring carbons for the reactions. The...
Journal of Clinical Medicine and Research
Factors influencing the increase in the choice of nursing as career among students at the Department of Nursing, Njala University, Bo District, Southern Sierra Leone
July-December 2023
This study assessed the factors influencing the increase in the choice of nursing as career among students at the Department of Nursing, Njala University, Bo District. It adopted a descriptive research design to collect data on a sample size of 96 students. Data was collected the Career Search Questionnaire and was analyzed using descriptive statistics (frequencies, percentages, etc.) and inferential statistics...
Journal of Engineering and Computer Innovations
Applying AquaCrop-OSPy to real-time irrigation
July-December, 2023
Crop and irrigation modeling based on fundamental physics can be very valuable in forecasting requirements and production in preparation for next season's planting/harvesting cycle. AquaCrop is such a model. It forecasts daily watering needs and allows for simple through detailed data input. Its supplied input files offer configurations for various crop, soil, terrain, and irrigation types. If one knows historical...
Philosophical Papers and Review
Purism: Desire as the Ultimate Value, Part Two – An Appeal to Intuition
July-December 2023
In this two-part article series, I aim to demonstrate that a special category of desire – a state which is sought unconditionally, as an end (sought in and of itself) – is the only ultimate value that logical observers can conceive upon consideration of sufficient conceptual depth. In the first part, I attempt to demonstrate this through appealing to logical reason. In this second part, I subsequently...
African Journal of Pharmacy and Pharmacology
Variation of antioxidant and antibacterial activities of ethanolic extracts of propolis in three bee-keeping agro-ecological zones of Uganda
July 2023
Propolis is a resinous plant material collected by bees to defend their colony. This study evaluated the antibacterial and antioxidant activities of ethanolic extracts of Ugandan propolis in three bee-keeping agro-ecological zones. Antibacterial assays were performed on two Gram-positive (S. aureus and S. pneumoniae) and two Gram-negative (E. coli and P. aeruginosa) bacteria within a concentration range of ~1.6 to 100...
African Journal of Environmental Science and Technology
Development of a filter system using silver nanoparticles modified silica sand for drinking water disinfection
July 2023
This study presents a filter system for the removal of pathogenic microorganisms from potable water using silver nanoparticle-modified silica sand. While silica sand has potential applications in wastewater treatment, its effectiveness in microbial filtration falls short. Thus, there is a need for an environmentally friendly enhancement method. The silver nanoparticles were synthesized using Commelina maculata leaf...
International Journal of English and Literature
Research on MTI talent cultivation under language education planning-- A case study of MTI granting program at a private University in Shanghai
July-September 2023
In order to tell China’s stories well, promote the Chinese voice, and show a true and comprehensive China, to enhance our capacities of international communication, our country has elevated its understanding of the regularities of international communication work to a new level. The authors recognize the close connection between the industries and propose that graduate students majoring in translation in the new...
International Journal of Educational Administration and Policy Studies
Factors affecting on students’ university choice in the tertiary education in Sri Lanka
July-December 2023
Education boosts any nation's economy. Sri Lankan higher education is competitive. Because only 15% of students who take the General Certificate Examination in Advanced Level (G.C.E A/L) are qualified to enter public universities, every student struggles to get into university. Some ineligible public college students attend private universities, vocational schools, or are migrant students. 15% of students qualify...
International Journal of Biodiversity and Conservation
Phenology and early growth performance assessment of the endangered Afromosia (Pericopsis elata) of the high forest zones in Ghana
July-September 2023
Pericopsis elata is a tall tree of high commercial value within moist and dry semi-deciduous West African forests. It is threatened with extinction, mainly due to overexploitation. Information on the reproductive phenology of such threatened but highly demanded trees remains crucial for taking conservation measures. This study examined the reproductive phenology of 50 individual trees relative to climatic variables,...
Educational Research and Reviews
“One man’s trash is another man’s treasure”: Graffiti and civic education among youths in Nigeria
July 2023
This paper explored the relationship between graffiti arts and civic education among young people in Nigeria. A mixed methods approach was employed to generate and synthesize empirical data. The study was guided by Barbara Rogoff's social constructivism theory. Findings indicated that graffiti arts and artists were present in Nigeria, driven by desires for self-expression, financial gain, and training opportunities...
African Journal of Business Management
Internal controls and financial accountability in a public health sector: An empirical investigation of a local government in Uganda
July 2023
This study aimed at examining the influence of internal controls on financial accountability in GILGHS, Uganda. The study’s research design was cross-sectional. The study findings were derived from a sample of 127 health centers (unit of analysis), whose heads of department formed unit of inquiry. Data were amassed from respondents through questionnaires and their responses were aggregated to their corresponding...
Educational Research and Reviews
Education for sustainable development: Investigation of preschool children’s metaphorical perceptions and views regarding “global problem” concept
July 2023
This research will explore preschool children’s metaphorical perceptions and views about the concept of “global problem” in the context of education for sustainable development. The study will involve 20 preschool children, who are aged between 60 and 70 months and are attending a public kindergarten in ?zmir, Turkey, during the Spring of 2021-2022 academic year. The data collection process involved...
African Journal of Political Science and International Relations
Debunking “The New Dawn” Myth: A comparative analysis of South Africa and Zimbabwe
July-September 2023
This paper is a comparative analysis of the politics of South Africa and Zimbabwe. It aims to demystify “The New Dawn” phenomenon espoused by the presidents of the two countries. On 24 November 2017, Emmerson Mnangagwa was sworn in as Zimbabwe’s President. This followed the forced resignation of President Robert Mugabe by the country’s military after spending over three decades in office. In...
International Journal of Biodiversity and Conservation
Habitat preference and distribution of pangolin in Ala Forest Reserve and Onipanu Community Forest of Southwestern Nigeria
July-September 2023
Despite the ecological significance, social and economic values and the roles being played by pangolin, their ecological roles remain under-studied in context to Nigeria. There is dearth of information on the current status, distribution, habitat preferred by pangolin especially in the tropical rainforest ecoregion of Nigeria. Information on the overall habitat ecology, preference and the current distribution pattern of...
African Journal of Biotechnology
Propagation of cochineal scale insect free cactus (Opuntia ficus-indica) by in vitro regeneration culture technique in Tigray, Ethiopia
July 2023
Cactus in northern Ethiopia is an endangered plant due to the attack by cochineal scale insect (Dactylopius coccus). The aim of this study was to micro propagate disease-free and cochineal resistance cactus pear by in vitro regeneration culturing technique. The study started with young cladodes carefully removed from mother plants. The surface-sterilized 1 cm2 cladode with one areole was cultured on shoot initiation MS...
African Journal of Political Science and International Relations
An initial exploration of the adaptation status of African new residents in Taiwan
July-September 2023
While the presence of African new residents in Taiwan may not be as pronounced as that of Southeast Asian counterparts, a noteworthy number have settled in diverse regions of the island in recent years. The adaptation experiences of these African residents remain under-explored in academic literature, rendering this study a pioneering effort in examining this pertinent subject. Through meticulous in-depth interviews...
Journal of Accounting and Taxation
Determinants of business tax compliance: A case study of Togo
April-June 2023
The results of a survey conducted by the Office of Togolese Revenue (OTR) in 2019, which covered 413 formal firms, show that several factors are key determinants of businesses' willingness to pay taxes. These include appreciation of tax fraud, amendment of tax laws, tax knowledge, tax beneficiaries, bribes, severity of penalties, legitimacy of customs duties, appreciation of tax amount, tax burden, legitimacy of...
African Journal of Agricultural Research
Mitotic response of Allium cepa L. to toxicity of pharmaceutical effluents
June, 2023
The need to determine the mutagenic ability of waste waters from pharmaceutical industry is on the rise. With the aid of macro and micro assay of the root tip, this study was carried out to assess the genotoxic effects of varied concentrations of three pharmaceutical effluents (Ciprofloxacin, Arthemetrin and Psuedophedrin) on Allium cepa root tip during mitosis. The chemical evaluation of the effluents confirmed the...
Journal of Medicinal Plants Research
Inhibition and dissolution of calcium oxalate crystals and kidney stones by the extract of Kalanchoe pinnata
June, 2023
Kalanchoe pinnata leaves are used in South Asia as a natural kidney stone treatment. In vitro studies were conducted in supersaturated and artificial urine solutions to evaluate the antiurolithic properties of K. pinnata leaf extract on calcium oxalate monohydrate (COM) and surgically extracted kidney stones. Key organic acids present in the plant extract were also examined in artificial urine to investigate inhibition...
African Journal of Medical and Health Sciences
Use of the partograph among obstetric care providers in government healthcare facilities in Uyo Senatorial District, Akwa Ibom State, Nigeria
June 2023
Globally, Nigeria is one of the countries experiencing worst maternal mortality crisis. Despite its recognition as a major public health issue, the maternal mortality statistic is still on the increase and is not commensurate with the effort of the stakeholders. In developing countries, the use of the partograph for labor management is very low among nurses, midwives and doctors working in most of the primary and...
Journal of Accounting and Taxation
Signaling, auditing fees, and earnings surprise before and after split-share structure reform in China
April-June 2023
In China, the split-share structure reform (SSR) has many benefits in helping decrease agency costs and normalise the stock markets. This paper explores the specific effects of this policy on firms’ signalling behaviour, audit fee charges and the meeting or beating earnings expectation (MBE) strategy through empirical research into the relations of these three subjects, combined with a cross-sectional analysis of...
African Journal of Agricultural Research
On-farm participatory evaluation and selection of crop varieties at climate changes in Southern Niger
June, 2023
Participatory varietal selection (PVS) is one of the most rapid and cost-effective ways for breeders, farmers, and agronomists to identify high-yielding and well adapted varieties to current climate threats and to obtain feedback from the potential end users in the early phases of the breeding cycle (s). On the other hand, a participatory evaluation of improved and local varieties of pearl millet, sorghum, cowpea, and...
International Journal of Livestock Production
Incorporation of functional feed ingredients to substitute antimicrobials in animal nutrition: Opportunities for livestock production in developing countries
April-June 2023
Livestock including cattle, goats, sheep, pigs and poultry are kept under traditional farming systems producing manure, supporting crop production, insurance and financing emergency cash needs, and improving social status. The livestock feed resource base is mostly natural graze and crop residues whose quality and supply are dependent upon unreliable rainfall patterns. Due to rising demand for cropland, overgrazing,...
African Journal of Pure and Applied Chemistry
Determination of caffeine content of Nensebo coffee beans Southern Ethiopia, using ultra violet-visible (UV/V) is and high performance liquid chromatography (HPLC) methods in Ethiopia
April-June, 2023
The main objective of the study was to determine caffeine content of coffee beans (Coffee arabica) collected from Nensebo district, West Arsi Zone, Oromia Region using ultra violet-visible and high performance liquid chromatography methods. The coffee beans were purchased from coffee supplying farmers’ cooperatives in Nensebo district (namely Tulu Gola, Habera, Refisa, Nensebo Chebi and Melka Dembi) and local...
Journal of Agricultural Extension and Rural Development
The role of farmer research networks’ (frn) principles in influencing farmers’ adoption of improved groundnut cultivars in Singida Rural District of Semi-Arid Central Tanzania
April-June 2023
Farmer Research Networks (FRN) is a participatory approach aimed at supporting the agroecological intensification of smallholder farming. FRN was envisaged in Latin America and Africa, however, little has been documented on how the application of FRN principles influences adoption of agricultural technologies. Guided by networking, innovation systems and Roger’s theories of diffusion of innovations, this research...
Educational Research and Reviews
21st Century Skills and Learning Environments: ELT Students' Perceptions
June 2023
This study aimed to explore the perceptions of English Language Teaching (ELT) students regarding 21st century skills and learning environments. A qualitative content analysis method was used, which involved conducting semi-structured interviews with 62 ELT students. The findings of the study revealed that ELT students perceive critical thinking, problem-solving, collaboration, creativity, and effective communication as...
International Journal of Biodiversity and Conservation
Contributions of Mount Cameroon National Park (MCNP) activities to livelihood of the local people, South West Region Cameroon
April-June 2023
The survival of Protected Areas (PAs) in Cameroon is very much dependent on alternative economic benefits derived by local people living around these areas. This study was set out to assess the contributions of Mount Cameroon National Park (MCNP) activities to livelihood of the local people. To achieve this, a household survey was conducted using simple random sampling technic where each household was given equal...
African Journal of Pharmacy and Pharmacology
Genetic diversity of pvcsp and pvs25 in Plasmodium vivax isolates in malaria-endemic areas in Asia, Africa, and America: A systematic review
June 2023
Analysis of genetic diversity is an important tool for evaluating Plasmodium vivax drug resistance, relapse patterns, and vaccine development. P. vivax circumsporozoite protein (pvcsp) is involved in sporozoite binding to liver cells. The three pvcsp patterns, i.e., VK210, VK247, or P. vivax-like types, are indentified in P. vivax isolates, which are characterized by repeated sequences. The VK210 pattern is a major...
Educational Research and Reviews
Effect of college students’ perceived authentic leadership on innovation behavior: The serial mediation effects of trust climate and creative self-efficacy
June 2023
This study investigated the relationship between the perceived authentic leadership of college students and their innovation behavior according to social cognitive theory and further explored the mediating effect of trust climate and creative self-efficacy on this relationship. A questionnaire survey was conducted, and more than 847 samples were collected from college students in China. The results revealed that the...
African Journal of Agricultural Research
Relative importance of functions of innovation system on cassava climate smart farming in Kenya
June, 2023
Functions of innovation systems framework have established their value as tools for exploring socio-technological transitions and economic development. Although the “seven functions” model has demonstrated its academic value across a vast literature, there have been few attempts to explore the role of the model in climate smart farming. Therefore, the aim of this study is to determine relative importance of...
Journal of African Studies and Development
Access to credit and financial services on marketing of farm produce in Benue State, Nigeria
April-June 2023
The central bank of Nigeria recently introduced a cashless policy which impacted various facets of life in the country. This however motivated this study to examine the extent to which access to credit and financial services policies have impacted the marketing of agricultural products in an agro-based economy of Benue State, -a sub-national state with limited access to credits and financial services among farmers. The...
African Journal of Pure and Applied Chemistry
Filler characterization, mechanical properties, x-ray diffraction and crosslink density analysis of starch/natural rubber biopolymer composites
April-June, 2023
Starch fillers were extracted from three plant sources namely amora tuber, Tacca lentopeteloides; sweet potato, Ipomoea batatas; yam starch, Dioscorea rotundata and their particle size, pH, amylose, and amylopectin percentage decomposition determined accordingly. The starch was introduced into natural rubber in liquid phase (through gelatinization) by the latex compounding method and compounded according to standard...
Journal of AIDS and HIV Research
Medication adherence and social support in people living with HIV/AIDS (PLWH) in Kogi State, Nigeria
January-June 2023
Human immunodeficiency syndrome ranks among the global worrisome health indices. This study was aimed at determining the effect of social support on medication adherence among people living with HIV/AIDS attending the general out-patient clinic of Kogi State Specialist Hospital (KSSH), Kogi State. A 20-item perceived social support-family scale (PSS-Fa) was used to assess patient’s levels of perceived social...
Page 7 of 1263, showing 50 records out of 63137 total, starting on record 301, ending on 350
