Articles
Page 1 of 1181, showing 50 records out of 59032 total, starting on record 1, ending on 50
January-June 2020
ISABB Journal of Health and Environmental Sciences
Factors associated with irregular consumption of fruits and vegetables among health professionals in Ouagadougou, Burkina Faso
Fruits and vegetables (F&Vs) are an essential food group for humans and prevent non-communicable diseases (NCDs). The objective of this study is to know the level of consumption of F&Vs by health professionals in Ouagadougou and their determinants. This is a descriptive cross-sectional study conducted from May to August 2016 in the Central Region of Burkina Faso. It included 442 health workers according to...
March, 2020
African Journal of Agricultural Research
Selection efficiency of yield based drought tolerance indices to identify superior sorghum [Sorghum bicolor (L.) Moench] near isogenic lines (NILs) under two-contrasting environments
Drought is the most significant environmental calamity on sorghum in Ethiopia and hence improving yield under drought is a major goal of plant breeding. This study was designed to introgress drought tolerant genes into adapted varieties through marker-assisted backcrossing and select based on tolerance indices. Sixty-one near isogenic lines and along with their nine parental lines were evaluated under full-irrigation...
January-June 2020
Journal of Parasitology and Vector Biology
Assessment of the performance of malaria rapid diagnostic test in acutely malnourished children under five years of age in Nanoro - Burkina Faso
The interaction of malaria with malnutrition is complex. In areas where malnutrition among children is prevalent, management of malaria is not standardized. In Burkina Faso, malaria treatment is prescribed after positive malaria rapid diagnostic test (RDT) or thick blood smears confirmation regardless of the nutritional status of the child. The study aims to assess the performance of malaria RDT in acute malnourished...
January-March 2020
Journal of Soil Science and Environmental Management
Soil moisture retention and rainfed wheat yield variations by the addition of gypsum and green manure
In rainfed tract, the success of agriculture depends on conservation and efficient use of soil moisture and nutrients availability that directly linked with the presence of moisture in soil. The moisture can be conserved through several means including green manures and gypsum addition. The experiment was conducted to investigate the integrated effect of green manures and gypsum for moisture conservation and their...
January-March 2020
Journal of Ecology and The Natural Environment
Minerology, geochemical composition and geotechnical properties of termite mound soil
Termitarian, the epigeal biogenic structure constructed by termites are widespread in the forest and derived savannah regions of Nigeria. Soil modification, with particular focus on the mineralogy, variation in geochemical composition and geotechnical properties of termite mound soil samples collected from nine location in the Ika area, Delta State of Nigeria are the objectives of this report. The major elements...
January-March 2020
African Journal of Political Science and International Relations
The impact of China on the agency and negotiating power of African countries: Cases of Angola and Niger
The recent surge in cooperation between China and African countries challenges the western aid model thus giving African countries a better leverage and negotiating power in their relation with the west. It is obvious that the Chinese presence in Africa is motivated by its economic and energy security agenda, which consist in securing natural resources to ensure security of supply and demand in its domestic market. This...
January-March, 2020
International Journal of Physical Sciences
Solar events and seasonal variation of foF2 at Korhogo station from 1992 to 2002
In this paper we report the effect of solar events (CMEs and solar winds) on foF2 diurnal profiles at Korhogo Station (Long 8.427° W; Lat: 9.336° N; dip: -1.88°) from 1992 to 2002. We reviewed on seasons and all the four geomagnetic activity classes (Quiet activity, recurrent activity, Shock activity, and Fluctuating activity). The results show that (1) Coronal Mass Ejections (CMEs) and high-speed solar...
January-March, 2020
International Journal of Physical Sciences
Performance assessment of cross polarization models at millimetre wavelengths along Earth–Space path
in Nigeria
Rain-induced depolarization impairments have been a constraint on the effective use of satellite communication systems at millimetre wave band especially in the tropical regions like Nigeria. This region often experiences high and varying degree of rainfall intensity accompanied with large raindrops due to distortion of raindrops when dual orthogonal polarization is employed to double the channel capacity without...
January - March 2020
Journal of Public Health and Epidemiology
Quality of life of HIV patients on highly active antiretroviral therapy: A scoping review
Human immunodeficiency virus (HIV) infection is one of the life-threatening conditions that affect various domains of patients’ life. The quality of life (QoL) of HIV patients has emerged as a major public health concern. People living with HIV (PLHIV) experience numerous problems that range from discrimination, changes in the patterns of relationships (intimacy), loss of social status, role, jobs and financial...
March, 2020
Journal of Medicinal Plants Research
Antimicrobial activity and acetilcolinesterase inhibition of oils and Amazon fruit extracts
The present work consists of the evaluation of antimicrobial activity and inhibition of the enzyme acetylcholinesterase (AChE) of fixed oils and hexane extracts of nine fruits with the following native names: abiu (Pouteria caimito), acerola (Malpighia emarginata), araçá (Psidium cattleianum), bacuparí (Rheedia gardneriana), biribá (Rollinia mucosa), camu-camu (Myrciaria dubia),...
March 2020
African Journal of Microbiology Research
Microbial load of indoor airborne bacteria and fungi in a teaching hospital in Ghana
The hospital, even though a place for the sick people, is inhabited by medical staff, administrative, security and patients who may share common microbes in the hospital environment. Some of these organisms may be pathogenic and may pose health hazard to humans through inhalation in the hospital atmosphere. Hence, the objective of this study was to investigate the microbial load of airborne microorganisms in some...
March 2020
African Journal of Biotechnology
Evaluation of the physical properties of leathers tanned with Plectranthus barbatus Andrews extracts
This study was designed to assess the potential use of Plectranthus barbatus Andrews, a plant growing locally in Kenya as a vegetable tanning agent. The aim was a deliberate attempt to adopt green chemistry and provide cheap locally available eco-friendly tanning materials. Anova statistical test (α<0.05) was used to compare the physical properties of leather tanned with three kinds of liquors made from the...
January-March 2020
Journal of Ecology and The Natural Environment
The role of logged timber stump sprouting in natural forest regeneration in the Akak forest area of Cameroon
Natural forest regeneration is the renewal of a forest crop by self-sown seed or by sprouting of stumps. However, there have been few studies on sprouting in the Cameroon tropical rainforest. The main objectives of this study were to examine the influence of stump sprouting of timber species in natural forest regeneration in the Akak forest area in Cameroon. In this study, stumps were located in forest compartments...
March, 2020
African Journal of Agricultural Research
Interaction effect between Meloidogyne incognita and Fusarium oxysporum f.sp. lycopersici on selected tomato (Solanum lycopersicum L.) genotypes
Development of diseases in cultivated crops depends on the complex inter-relationship between host, pathogen and prevailing environmental conditions. The significant role of nematodes in the development of nematode–fungus interaction is demonstrated in many crops throughout the world. However, there is scanty research information in Ethiopia. Therefore, the main objectives of this study were to: (i) investigate...
March, 2020
African Journal of Agricultural Research
Effective policies to mitigate food waste in Qatar
This paper highlighted food waste as one of the biggest threats to food security that put pressure on the natural resources and limit the ecological capacity of land of Qatar to continue providing renewable resources. Climate change, desertification of farmland, water shortages, soil degradation and arable land per capita decline are the main characteristics of the state of Qatar. This arid and semi-arid environment...
March, 2020
African Journal of Agricultural Research
Technical efficiency and its determinants in sugarcane production among smallholder sugarcane farmers in Malava sub-county, Kenya
The aim of the study was to determine the farm level technical efficiency and its determinants among smallholder sugarcane farmers in Malava Sub-county, Western Kenya. Primary data were collected using questionnaires from a sample of 384 farmers through systematic random sampling. The study applied stochastic frontier analysis and Tobit regression analysis using computer software STATA. The results found that...
March, 2020
African Journal of Agricultural Research
Production of banana bunchy top virus (BBTV)-free plantain plants by in vitro culture
Banana Bunchy Top Disease (BBTD) caused by the Banana Bunchy Top Virus (BBTV) is one of the most important banana diseases in the Democratic Republic of Congo. This study focused on the production of BBTV-free plantain seedlings from infected banana plants. A total of 10 suckers from the French plantain Litete (Musa AAB) and the False Horn plantain Libanga Likale (Musa AAB) with advanced BBTD symptoms were collected....
March, 2020
African Journal of Agricultural Research
Influence of supplementary hoe weeding on the efficacy of ButaForce for lowland rice (Oryza sativa L.) weed management
Field experiments to determine the influence of supplementary hoe weeding on the efficacy of ButaForce (N-(butoxymethyl)-2-chloro-N-2,6-dimethyl acetanilide) for low land rice (Oryza sativa L.) weed management was conducted at the Faculty of Agriculture Teaching and Research Farm of the University of Port Harcourt during the early cropping seasons of 2018 and 2019. Seven treatments were used for the experiment...
January-June 2020
Journal of Infectious Diseases and Immunity
Prevalence of acute diarrhea and associated precipitating factors among under-five children in West Guji Zone, Oromia Region, Ethiopia, 2018: Community based cross sectional study
Child hood diarrhea has continued as a leading cause of morbidity and mortality in Ethiopia. In conjunction with implementing control programs, an up to-date comprehensive information on the magnitude and contributing factors among child hood diarrhea is needed to develop and design effective interventions at the district level. A community based cross sectional study was carried out among 717 mothers/care...
January-March 2020
African Journal of Political Science and International Relations
Nigerian morbid federalism and demand for political restructuring
The foundation of Nigeria’s problems lies in its historical development. This is linked to the swift design by predatory colonial masters aimed at achieving their political economy in colonialization of Africa. Sequel to the amalgamation of the southern and northern protectorates in 1914, Nigeria’s minimal state has continued to witness serial and intractable agitations, political interplays and intrigues...
January-March 2020
African Journal of Political Science and International Relations
Potency of ECOWAS mission strategy in resolving electoral conflict in West Africa: A case of Côte d’Ivoire
Conflict is inevitable in all human relations, but when managed properly, the cost in human lives and properties are minimized. This paper examined the extent of ECOWAS Peace Strategy in resolving the Post-Electoral crisis in Côte d’Ivoire and the efficiency of the ECOWAS Election Mission Strategy. In-depth interview research design was adopted, that is, both primary (structured interviews) and secondary...
January-March 2020
Journal of Media and Communication Studies
Desensitization of the Lebanese audience to the portrayal of violence on Game of Thrones and Breaking Bad: A case study
This research investigated the desensitization signs shown by the Lebanese audience to the violence portrayed on Game of Thrones and Breaking Bad. The research’s study was a qualitative case study of the theory of desensitization applied on two Lebanese participants, each watching respectively the series Breaking Bad and Game of Thrones. The participants were chosen based on the fact that one had never watched...
January-March 2020
International Journal of Livestock Production
Indigenous browse species and goats’ preferences in selected districts of Gamo Gofa and Wolayta
zones, Ethiopia
Important browses in selected districts were identified using goats’ preference and farmers’ knowledge. A total of 296 plots (20 × 20 m area) were placed along 16 transect lines randomly laid in plane and sloppy communal grazing lands to assess frequency of occurrences and density of the browse species. A total of 48 browse species out of which 31 were recognized by farmers were observed being browsed...
January-March 2020
International Journal of Livestock Production
Estimation of major livestock feed resources and feed balance in Moyale district of Boran Zone, Southern Ethiopia
The study was conducted to assess the major livestock feed resources and estimating annual feed production and feed balance in Moyale district of Boran Zone, Southern Ethiopia. A simple random sampling technique was employed to select the household’s (HHs) and 96 representative households were selected. Data were collected using group discussions, structured questionnaire, secondary data and personal observations....
March 2020
African Journal of Plant Science
Sorption characteristics, growth and yield response of wheat (Triticum aestivum L.) to application of essential nutrients on nitisol and vertisol of Central Highland
of Ethiopia
Wheat growth and yield response were evaluated in a greenhouse experiment using two major soils, Nitosols and Vertisols. Sorption capacities of the soils and crop response were employed to determine the availability of nutrients in the two soils. Eight fertilizer treatments (Optimum (Opt.),Optimum-N, Optimum-P,Optimum-K,Optimum-S,Optimum-B,Optimum-Zn and control) in Nitosols and six fertilizer treatments (Optimum,...
March 2020
African Journal of Plant Science
Heterosis and combining ability of highland adapted maize (Zea mays. L) DH lines for desirable
agronomic traits
Maize (Zea mays L.) is one of the cereals that provide calorie requirements in the majority of Ethiopians diet. The national average maize yield in Ethiopia is low and thus knowledge of combining ability and heterosis is a prerequisite to develop high yielding maize varieties. The objective of the present study is to estimate combining abilities of double haploid (DH) maize inbred lines for grain yield and related...
March 2020
African Journal of Plant Science
The effects of gypsum on pod-yield and pre-harvest aflatoxin contamination in selected peanut cultivars
of Zambia
Good agricultural practices are an effective means of minimizing pre-harvest aflatoxin contamination in peanuts. A field experiment was conducted to evaluate the effect of gypsum on pod yield and aflatoxin contamination in three peanut cultivars (Kadononga, MGV 4 and MGV 5) in Zambia. The experiment was conducted in Chongwe and Lusaka districts. Gypsum (15.6 % calcium) was applied at rates of 0 and 400 kg/ha at...
March 2020
Journal of Dryland Agriculture
Response of cucumber (Cucumis sativus L.) to differential pruning under greenhouse
Sustainable cucumber production requires optimized agronomic practices that are adaptive to changing climates as well as enhanced crop yield and fruit quality. Commercial Greenhouse experiment was conducted to determine the effect of differential pruning on the growth and yield of cucumber in the Sudan Savanna of Nigeria. The treatments consisted of two hybrid cucumber varieties (Sirana F1 and Marketer) and four pruning...
January-June 2020
Journal of Agricultural Biotechnology and Sustainable Development
Laboratory evaluation of some botanicals and fermented cow urine against Chilo partellus (Swinhoe) (Lepidoptera: Crambidae)
Chilo partellus (Swinhoe) is the most important destructive pest of sorghum in Africa which results in complete crop loss. Currently the management strategies rely heavily on chemical insecticides, which do not provide effective control. The uses of bio-pesticides are encouraging over chemical pesticides. The study was carried out to identify effective plant and animal products and optimum concentrations against C....
March, 2020
African Journal of Agricultural Research
Influence of clam shells and Tithonia diversifolia powder on growth of plantain PIF seedlings (var. French) and their sensitivity to Mycosphaerella fijiensis
Plantain prices in sub-Saharan markets are very high due to the fact that the supply does not cover the large demand. The main constraint of plantain cultivation is the seedlings unavailability in quantity and quality, which is essential to boost the creation of new plantations. The PIF technique could solve this problem if its substrate of production is amended with natural products for quality enhancement. This study...
March 2020
Educational Research and Reviews
How Turkish universities have evolved through constitutional changes
National constitutions determine the foundation and the operation of universities in a country. Constitutions are renewed to meet changing societal needs. In Turkey, universities have also been affected by constitutional changes. This study examines how universities have evolved in the history of Turkey’s written constitutions and seeks to use this development to shed light on the structure and activities of...
March 2020
Educational Research and Reviews
Impact of instruction with concept cartoons on students’ academic achievement in science lessons
In this study, the impact of concept cartoons on students’ academic achievement in science lessons was investigated. The research was carried out in 2018-2019 spring term. The study group consisted of 49 4th grade students in Zonguldak Devrek Çaydeğirmeni TOKİ Primary School. 23 of the students were in the experimental group, and 26 of them were in the control group. Quasi-experimental design with pretest...
March 2020
Educational Research and Reviews
The changing dialogue on grade inflation: A graduate education program’s look at grading in
higher education
This research was based on a mixed-method design. The terms assessment and evaluation have a deeply seated significance in the matters of curriculum, learning outcomes, and instructional strategies, to name a few. What has been established through the literature is that grading in higher education is surrounded by many controversies, one of which includes what criteria is graded. However, one area in which there was a...
March, 2020
African Journal of Agricultural Research
Response of pepper leaves epidermal cell under ozone stress to ascorbic acid treatment
The present investigation studied the effectiveness of ozone (O3) concentrations on epidermal cells of pepper (Capsicum frutescens L.) leaves and its response to ascorbic acid (AS). The plants were grown at two sites in Riyadh, King Saud University (KSU) Campus, and the second industrial city (SIC) under an average of 42.33 and 138.66 ppb of O3. Two groups grown at KSU site as a control; one of them was treated with tap...
March, 2020
African Journal of Agricultural Research
Genetic gain of maize (Zea mays L.) varieties in Ethiopia over 42 years (1973 - 2015)
Currently under production, thirty-eight Ethiopian maize varieties released majorly for three agro-climatic zones over the past thirty-nine, twenty-nine and twelve years for the high altitudes, mid–altitudes and low altitudes, respectively, were conducted at three different research center’s field trials, using randomized complete block design with three replications in 2015 main cropping season to estimate...
January-March 2020
Journal of Agricultural Extension and Rural Development
Relationship between women demographic characteristics, household structure and socio-economic status in Morogoro District, Tanzania
Factors responsible for poor household socio-economic status (hSES) vary in different social groups. Little information exists to explain how demographic and household characteristics are related to hSES in rural societies of Tanzania. This cross-sectional study assessed associations between selected women demographic characteristics, household structure and hSES in a rural area in Morogoro District, Tanzania. The study...
January-June 2020
Journal of Cereals and Oilseeds
Growth and yield response of two groundnut cultivars to row pattern in the forest-Savannah Transition Zone of Ghana
Two field trials (2017 and 2018) were conducted at the research field of the University of Education, Winneba, Mampong Campus from May to August to determine the growth and yield response of groundnut to row pattern. The experimental design was a 2 x 4 factorial arranged in a randomized complete block design (RCBD) with three replications. The factors studied included: (A) Cultivar [(i) Yenyawoso and (ii) Adepa] and (B)...
January-March 2020
African Journal of Pure and Applied Chemistry
Phytochemical Profiling of the Hexane fraction of Crassocephalum crepidioides Benth S. Moore leaves
by GC-MS
Crassocephalum crepidioides is an edible plant which is also used in the ethnomedical treatment of stomach ulcer, indigestion, wounds, boils and burns in Africa and some other parts of the world. This study aims at identifying and characterizing the bioactive compounds present in C. crepidioides hexane fraction which may be responsible for the ethnomedicinal uses and reported activities of the plant. The crude extract...
March, 2020
African Journal of Agricultural Research
Agricultural technology adoption and its impact on smallholder farmer’s welfare in Ethiopia
Agricultural production and productivity play a paramount role in the livelihood of rural farm households. Agricultural technology affects agricultural productivity and the welfare of rural farm households. However, there is a gap in knowledge on the effect of different technology adoptions on farm household’s welfare. This study examined the effect of improved wheat variety adoption on household’s welfare...
January-June 2020
Journal of Agricultural Biotechnology and Sustainable Development
Assessing the impacts of climate change and variability on maize post-harvest system at Kongwa and Kondoa District in Tanzania
This study attempted to investigate the pattern and trend of climate change, its influence and interaction with maize post-harvest system and established the current status of maize post-harvest losses at Kongwa and Kondoa district in Tanzania. Participatory rural appraisal technique and household survey methods were used to collect primary data. Secondary data for the study area including rainfall and temperature data...
March, 2020
African Journal of Agricultural Research
Improvement of growth performance and meat sensory attributes through use of dried goat rumen contents in broiler diets
The study investigated the use of dried goat rumen contents (DGRC) on growth performance of broiler chickens. Rumen contents were obtained from goats immediately after slaughter during the wet season, sundried, milled and incorporated in experimental diets at levels of 0, 5 and 10%. The 0% DGRC diet was the control. The experimental diets were formulated on iso-caloric and iso-nitrogenous principles in line with the...
January-March 2020
Journal of Plant Breeding and Crop Science
Genetic variability, heritability and correlation of quantitative traits for Arabusta coffee (C. arabica L. X Tetraploid C. canephora Pierre)
The biennial bearing and the long productive nature of coffee makes it difficult to release coffee variety within a short time span. This study aimed at evaluating the yield performance of the Arabusta hybrids and its backcrosses developed by Coffee Research Institute of the Kenya Agricultural and Livestock Research Organization (KALRO-CRI) using the morphological traits. Nineteen coffee genotypes were evaluated at...
January-March 2020
Journal of Soil Science and Environmental Management
Use of charcoal (biochar) to enhance tropical soil fertility: A case of Masako in Democratic Republic
of Congo
Soil fertility transience in the region of Masako in Democratic Republic (RD) of Congo remains a major challenge to sustainable agricultural production. Recently, biochar application as soil amendment has attracted attention of the people across the world owing to its potential to improve soil physicochemical properties, crop yield and carbon sequestration into the soil. A study was conducted in Masako to analyze the...
January-March 2020
Journal of Soil Science and Environmental Management
Effects of long term sugarcane production on soils physicochemical properties at Finchaa sugar Estate
In Ethiopia, where sugarcane has been cultivated for over 20 years, changes in soil physicochemical properties are expected to occur albeit information on the extent of change is scanty. A study was conducted in 2015 at Finchaa Sugar Estate with the objective of assessing the status of selected soil properties under long term mechanized sugarcane cultivation. Disturbed composite and undisturbed soil samples from 0-30...
January-March 2020
Journal of Pharmacognosy and Phytotherapy
Phytochemical analysis, antioxidant and antidiarrhoeal activities of methanol extract of Fimbristylis miliacea (L.) Vahl
The present study determined phytochemical content, antioxidant and antidiarrhoeal effect of methanol extract of Fimbristylis miliacea. Phytochemical screening showed the presence of flavonoids, saponins, tannins, phenols, alkaloids and cardiac glycosides. Total phenolic, flavonoids, flavonols, tannins, β-carotene, lycopene, chlorophyll-α, and chlorophyll-β contents were found 154.13 mg GAE/g, 83.14 mg...
January-March 2020
Journal of Veterinary Medicine and Animal Health
Identification of small ruminant external parasite species in Tanqua Abergelle and Kola Tembien districts of Tigray region, Northern Ethiopia
Ectoparasites are a major concern in sheep and goat flocks, wherever sheep and goat are kept. A cross-sectional study was carried out in the districts of Kola Tembien and Tanqua Abergelle from September 2014 to June 2017 with the objectives of identifying external parasites to their species level. Randomly selected sheep and goats were clinically examined for the presence of ectoparasites or lesions and identified in...
March, 2020
Journal of Medicinal Plants Research
Evaluation of the antimicrobial activity of ethanol extracts from Orthostichella rigida (Mull. Hal.) B.H Allen & Magill (Bryophyta) on pathogenic microorganisms
1Universidade Estadual do Rio Grande do Sul (Uergs), Mestrado Profissional em Ambiente e Sustentabilidade, São Francisco de Paula, Rio Grande do Sul, Brasil. 2Universidade Estadual do Rio Grande do Sul (Uergs), Unidade Litoral Norte - Osório, Rio Grande do Sul, Brasil. 3Universidade do Vale do Taquari (Univates), Lajeado, Rio Grande do Sul, Brasil. 4Universidade Federal do Rio Grande...
January-March 2020
Journal of Horticulture and Forestry
Screening of tree seedling survival rate under field condition in Tanqua Abergelle and Weri-Leke Wereda’s, Tigray, Ethiopia
Rehabilitation of degraded lands through plantations is at the frontline of natural resource management in Ethiopia. However, plantations have been faced with various challenges mainly attributed to poor survival rate of tree seedlings. Hence, this research was conducted in Tanqua ‘Abergelle and Weri Leke Wereda’s with the objective of screening tree seedlings for their survival rates under field conditions....
January-June 2020
Journal of Oceanography and Marine Science
Heavy metal concentration and public health risk in consuming Sardinella maderensis (Sardine), Sarotherodon melanotheron (Tilapia), and Liza falicipinis (Mullet) harvested from Bonny River, Nigeria
Contamination of the river by oil spill had put the health of the people who consume fish at risk. Five fish samples each of Liza falicipinis (Mullet), Sarotherodon melanotheron (Tilapia) and Sardinella maderensis (Sardine) (n=15) were collected monthly from the Bonny Estuary from February to July 2018. The samples were oven dried at 100°C and analyzed using Atomic Absorption Spectrophotometer (Model pm ver 2.02...
March 2020
Educational Research and Reviews
Relationship between school, family and environment, according to school principals’ views
The aim of the study is to identify any possible deficiencies and disruptions that may be in the way of establishing a healthy cooperation between school, family and environment. It is a mixed research design study. Data were collected by scanning model and document analysis methods. Survey was used in the scanning model. The opinion of the N=50 school principals working in Rize Province of Turkey and the data obtained...
Page 1 of 1181, showing 50 records out of 59032 total, starting on record 1, ending on 50
