Articles
Page 8 of 1176, showing 50 records out of 58782 total, starting on record 351, ending on 400
October 2019
International Journal of Water Resources and Environmental Engineering
Geographic Information System (GIS) based soil loss estimation using Universal Soil Loss Equation Model (USLE) for soil conservation planning in Karesa Watershed, Dawuro Zone, South West Ethiopia
Soil erosion is the most challenging and continuous environmental problems resulting in both on-site and off-site effects in the world particularly in Ethiopia. Karesa watershed is one of the most erosion-prone watersheds which received little soil conservation attention. This study was conducted to estimate average annual soil loss rate using Geographic Information System and Universal Soil Loss Equation Model adapted...
October 2019
International Journal of Physical Sciences
Comparative study of caffeine content in beans and leaves of Coffea arabica using UV/Vis spectrophotometer
Caffeine is one of the compounds found in coffee beans and other parts of coffee plant. However, the relative caffeine content in different coffee plant parts is least researched. Therefore, this study was designed to determine the content of caffeine in green coffee leaves and beans. In this work, we report content of caffeine in green coffee beans and leaves of Coffea arabica using UV/Vis spectrophotometer with...
October 2019
Journal of Development and Agricultural Economics
Micro-financing and rural poverty reduction: A case of Rima Microfinance Bank in Goronyo Local Government Area, Sokoto State, Nigeria
Microfinance is proposed to be an efficient and viable means to poverty alleviation in the developing world, but there has been little empirical study on the impacts of microfinance banks. This study examines the impact of Rima Microfinance Bank on beneficiaries’ income and poverty in Goronyo Local Government Area of Sokoto State, Nigeria. A multistage-sampling technique was used to draw the sample and a...
October 2019
Journal of Engineering and Technology Research
Agricultural tractor and machinery performance and serviceability in Delta State, Nigeria
A sufficient tractor and implements utilizations in agricultural activities and their proper serviceability optimize agricultural productivities in farm operations. A study was conducted in Delta State, Nigeria assessing level of machinery utilization in farm operations and serviceable conditions. Eight (8) government owned tractors locations with 60 tractors and eight private owned farms with 29 tractors were studied....
October 2019
Journal of Geology and Mining Research
Geology and petrography of Sabon Garin Kara and environs part of Malumfashi sheet 79 NE Nigeria
The study area is about 40 km2 that is (8 km × 5 km) which is located in Gwarzo Local Government area of Kano State part of Malumfashi sheet 79NE which lies within Longitude E07°57’19.5” and E08°00’00” and Latitude N11° 51’30”andN11°47‘00. Major rock types identified include medium grained biotite-muscovite granite, coarse grained muscovite-biotite...
October 2019
Journal of Geology and Mining Research
Crustal structure of southern Benue Trough, Nigeria from 3D inversion of gravity data
3D Moho interface has been computed from the airborne Bouguer anomaly beneath the southern part of the Benue Trough (BT), using the MATLAB program 3DINVER.M. From the study, the maximum Moho depth of 27.5 km and the minimum Moho depth of 18.1 km were computed. Interpretation of the gravity data of the southern part of the BT suggests that igneous input contributed greatly to the understanding of its concomitant deep...
October 2019
Educational Research and Reviews
Evaluating endodontontic dental education by clinical errors (iatrogenic perforations) made by students in their last year of education
The aim of this study was to evaluate the technical procedural iatrogenic errors, especially to determine the frequency of dental perforation made by undergraduate students in Sofia, Faculty of Dentistry, Bulgaria, in the school years of 2014/2015 and 2015/2016. The assessment was by examination of periapical radiographs of completed endodontically treated teeth, performed by last year dental students. A total of 748...
October 2019
African Journal of Business Management
Supply chain management constraints in Tanzanian small and medium enterprises
Supply chain management (SCM) has gained popularity around the globe due to its significance in relation to improving business performance. Although large enterprises have been able to successfully implement SCM, it is different in small and medium enterprises (SMEs) as they are faced with several constraints that hinder the effective implementation of SCM. Variables such as technological difficulties, poor coordination...
October 2019
Journal of African Studies and Development
Foster care ontologies: A qualitative study in Zimbabwe
Both the African Charter on the Rights and Welfare and the United Nations Convention on the Rights of the Child place premium on having children grow up in families. Foster care is one of the opportunities that can be used to ensure that children grow up in families on the African continent and Zimbabwe in particular. There are however some minefields which have to be explored carefully. The paper dedicates some...
October 2019
International Journal of Biodiversity and Conservation
Current distribution, regeneration and management practice of Hagenia abyssinica in different agroforestry systems of Ethiopia: A review
Hagenia abyssinica is a multipurpose tree, which is sparsely distributed in the highland of Ethiopia. It is used for illness remedy, furniture, fuel, and as a soil additive. This review provides information on the present status and management practice of H. abyssinica in Ethiopia to give urgency care other than that given to introduced species for future conservation. The foliage and flowers have a higher quality of N...
October 2019
Journal of Ecology and The Natural Environment
Forest land use and native trees diversity conservation in Togolese mega hotspot, Upper Guinean, West Africa
In tropics, species diversity in agricultural systems is often assessed without distinction between native and exotic species. However, the conservation value of an ecosystem depends on its richness in native species. This study was conducted to determine the conservation value of agricultural systems in Togo megahotspot, one of the species-rich sites in Upper Guinean. Specifically, the study compares fallow systems...
October 2019
Journal of Accounting and Taxation
Do economic variables still influence tax compliance intentions of self-employed persons in developing economies? Evidence from Ghana
The purpose of this study was to establish whether tax compliance intentions of tax-registered self-employed persons are still influenced by economic variables instead of non-economic variables which are now at the centre stage in tax compliance research. A quantitative research design based on a survey of 453 self-employed persons randomly selected from 15 Small Taxpayers’ Offices across the Greater Accra region...
October 2019
International Journal of Biodiversity and Conservation
Floristic composition, vegetation structure and regeneration status of Wabero forest, Oromia Regional State, Southeastern Ethiopia
Wabero forest is one of the very few remnant moist evergreen montane forests in Southeast Ethiopia. However, basic data on vegetation structure and composition of the forest that could provide valuable information for possible conservation measures is lacking. The main objective of this study, therefore, was to investigate the woody species composition, vegetation structure and regeneration status of the forest. In the...
October 2019
International Journal of Biodiversity and Conservation
Do internal roadways influence tree diversity and density in a reserve forest? - A reality check at BRT Tiger Reserve, Karnataka, India
Roadways are inevitable components in any human managed landscape across the world, with the sole objective to facilitate transportation. Reserve forests are not an exception to this situation. A roadway being a potential factor in influencing biodiversity, this study checks the possibility of relationship between the distance of tree communities from roads and the basic characteristics (diversity and density) of the...
October 2019
Journal of Accounting and Taxation
Effect of tax identification number on revenue generation in Southwest Nigeria
This paper examined the effect of tax identification number on revenue generation in south-west, Nigeria. The ex-post facto research design was adopted and the population covered all the states in the Southwest geopolitical zone of Nigeria, out of which three states namely Ekiti, Osun and Ondo States were selected as the study elements using simple random sampling technique. Quantitative secondary data were sourced from...
October 2019
Journal of Ecology and The Natural Environment
Determinants of public preferences for Hawassa Amora-Gedel recreational park, Southern Ethiopia
This study investigates the economic value of Hawassa Amora-Gedel recreational park and determines the factors that affect the public’s willingness to pay for the quality improvement of the recreational park. A contingent valuation method was applied to measure public willingness to pay (WTP) for the quality improved recreational park. Based on random sampling technique, 390 visitors were selected to determine...
October 2019
International Journal of Biodiversity and Conservation
Species-based approach to biodiversity conservation: An innovative step in Madagascar
Known for its diversity and high endemicity, half of Madagascar's floral richness is sheltered in the Island's eastern evergreen dense rainforest; including key, threatened and socio-economically valuable species. The vulnerability of such habitat, combined with overexploitation of timber, threatens the livelihoods of forest communities and conservation of biological diversity. Up till date, the main actions...
October 2019
Journal of Public Administration and Policy Research
Pursuing Sustainable Development Goals in Uganda: Do anti-corruption strategies of Management Development Institutes matter?
Sustainable development refers to using resources sparingly so that future generations may also use them for development. Sustainable Development Goals (SDGs) are a global development agenda adopted in 2015 to “end poverty, protect the planet, and ensure prosperity for all”. The 15-year development agenda recognizes eradication of poverty in all its forms and dimensions, including extreme poverty, as the...
October 2019
Journal of Accounting and Taxation
Factor analysis on IFRS Adoption: A survey study on lenders, users and audit firms’ perspective in West Hararghe Zone, Oromia Regional State, Ethiopia
The adoption of International Financial Reporting Standards (IFRS) around the world is occurring rapidly to bring about accounting quality improvement through a uniform set of standards for financial reporting standards and harmonization of reporting procedures. For the same purpose, Ethiopia begins the IFRS adoption process since the year 2014. For this study, 200 questionnaires were distributed and administered to...
September 2019
African Journal of Environmental Science and Technology
Seasonal variability of rainfall and thunderstorm in Guinea over the period 1981 to 2010
Republic of Guinea is one of the West African countries which share form a border with the southern part of the Sahel. It is located in the tropical area where the convective systems activities are intense with strong rainfall. Our results on Standardized Precipitation Index are coherent with the Sahel drought during the 1970s, and a recovery period of rainfall since the last years. The Standardized Thunderstorms Index...
September 2019
African Journal of Environmental Science and Technology
Solid waste management in urban communities in Ghana: A case study of the Kumasi metropolis
Globally, solid waste management has in recent times attracted massive attention, and one of the commonly cited areas is the sprawling cities and urban communities, where plastics and other solid waste have become major management challenge. In Ghana, solid waste management has become a major problem, particularly in urban settlements. The overall objective of the study was to investigate the key factors that underlie...
September 2019
African Journal of Environmental Science and Technology
Household perception and willingness to pay for improved waste management service in Mamfe, Cameroon
Lack of financial resources and public participation are major factors that constrain solid waste management in many towns in developing countries. This study sought to determine the willingness to pay (WTP) and the perception of the inhabitants of Mamfe, Cameroon for an improved solid waste management system. A total of 371 households were interviewed and data analysis to identify the determinants of WTP values was...
September 2019
African Journal of Plant Science
Identification and control of post-harvest rot of pumpkin (Cucurbita pepo L.) in Hong, Adamawa State
Pumpkins (Cucurbita pepo) are grown all around the world for a variety of reasons ranging from agricultural purposes to commercial and ornamental sales. The pathogens causing the rot of pumpkin in the world include fungi, bacteria, and viruses. Three hundred and sixty-six (366) fruits of pumpkins were studied in Pela, Gaya and Kulinyi districts of Hong Local Government Area of Adamawa State. The diseased samples...
September 2019
African Journal of Plant Science
Homegarden plants in Legambo District (Chiro Kebele) South Wollo, Ethiopia: Future implication for food security and rehabilitation program
Homegarden is a traditional farming practice that consists of growing adaptable landraces and endangered species which have been conserved. Previously, status of the homegarden has not been studied. Therefore, this study provided information about homegarden species composition, status and value of species for future food and rehabilitation program. The study was conducted in Chiro kebele, South Wollo of Ethiopia during...
September 2019
African Journal of Plant Science
Impact of quarries emissions on the leaf morpho-anatomy of three olive (Olea europea L) cultivars grown in Palestine
To investigate the effects of quarries emissions on the leaf morpho-anatomy of Romi, Nabali and K18 olive cultivars in Taffouh village (Palestine), one set of olive cultivars of two-years old was cultivated close to quarries while the control set was cultivated almost 4 km from quarries. The morphology of six month-old leaves was examined. Leaf segments were fixed in compound fixative of formaldehyde, acetic acid and...
September 2019
Journal of Plant Breeding and Crop Science
Resistance of cowpea to Cowpea bruchid (Callosobruchus maculatus Fab.): Knowledge level on the genetic advances
Cowpea [Vigna unguiculata (L.) Walp.] is an important food legume. This crop considered as source of dietary protein is also used as a leafy vegetable in many African countries. Its usage as food and animal fodder is focused on food security and diminishing malnutrition particularly in marginal areas. Bruchid (Callosobruchus maculatus) is the most damaging, cosmopolitan pest of stored cowpea grains especially in the...
September 2019
Journal of Plant Breeding and Crop Science
Germplasm collection and morphological characterization of local accessions of tigernut (Cyperus esculentus L.) in Ghana for conservation and utilization
Tigernut (Cyperus esculentus L.) is a nutritious crop of the sedge family. In Ghana available local accessions have not been collected and characterized for conservation and utilization purposes. The objective of this study was to collect, conserve and characterize twenty-four local accessions of tigernut in Ghana based on agro-morphological traits. The ANOVA revealed significant (p<0.05) differences among the...
September 2019
African Journal of Pharmacy and Pharmacology
Canvassing of biological attributes by In vitro screening of Canarium bengalense
Various Hoang family remedies known as Dai-Thien-Nuong, utilize Canarium bengalense Roxb. (Family: Burseraceae) as a major component for the treatment of tumor and liver damage. This study was performed using the crude methanol extract of C. bengalense Roxb. bark and its petroleum ether, carbon tetrachloride, dichloromethane and aqueous soluble fractions for antioxidant, cytotoxic, thrombolytic, membrane stabilizing and...
September 2019
African Journal of Pharmacy and Pharmacology
Tolerance and observance of methotrexate in the treatment of rheumatoid arthritis at the university Hospital Bogodogo, Burkina Faso
This study is aimed at assessing tolerance and observance of the patients with RA (rheumatoid arthritis) treated by methotrexate at University Hospital Bogodogo, in Burkina Faso. A cross-sectional study was conducted from July to September 2015 in outpatients with rheumatoid arthritis monitored in rheumatology service. Data were obtained from interview, by reviewing medical cards of the patients and consultation report...
September 2019
Journal of Agricultural Extension and Rural Development
Rural communities access to community and social development projects in North Central Nigeria
This study on rural communities’ access to community and social development projects in North Central Nigeria was carried out in North Central Nigeria. Multistage sampling technique and a sample size of 418 respondents was selected for the study. Data for the study were collected from primary sources. Primary data were collected through a well-structured questionnaire. 58.7% of the respondents were males whereas...
September 2019
Journal of Agricultural Extension and Rural Development
Pre-scaling up of improved maize variety in Highlands and Midhighlands of West Guji Zone, Oromia National Regional State, Ethiopia
This study was conducted at Bule Hora district of West Guji zone, Southern Oromia with the objective of further disseminating the already evaluated and selected variety maize, Jibat (AMH-851) to the farming community. The district was selected purposively based on potentiality and accessibility for maize production; and two potential peasant associations (PAs), Hera Liphitu and MetiTokuma were selected. A total of 20...
September 2019
African Journal of Pharmacy and Pharmacology
Use of medicinal plants for the treatment of gastric ulcer in some parts of Southwestern Nigeria
Ulcer is erosion in the lining of the stomach or duodenum. It is caused by disruption of the gastric mucosal defense and repair systems. There has been much interest in natural medicines derived from traditional knowledge of pharmacological properties of plants recently. The major aim of this study was to conduct an ethnobotanical survey of plants used in the treatment of Gastric ulcers in some local government areas of...
September 2019
Journal of Soil Science and Environmental Management
Evaluation of some selected forage grasses for their salt tolerance, ameliorative effect and biomass yield under salt affected soil at Southern Afar, Ethiopia
Soil salinity is a growing problem on many irrigated parts of arid and semi-arid areas of Ethiopia. Utilization of improved salt-tolerant forage grasses help farmers to maximize production and reclaim saline soil. A study was conducted at Werer Agricultural Research Center (WARC) from 2012 to 2014 to evaluate performance of four forage grass species of salinity tolerance, ameliorative effect and biomass production. The...
September 2019
Scientific Research and Essays
Positioning smallholder farming in the agricultural productivity and food security in resource limited Sierra Leone
Agriculture is dominated by smallholder farmers who occupy the majority of land, and produce most of the crop and livestock products in Sierra Leone. Nonetheless, the key long-standing challenge of the smallholder farmers is low productivity that stems from the lack of access to markets, credit and technology, and in recent years these are compounded by the volatile food and energy prices and very recently by the global...
September 2019
African Journal of Agricultural Research
Evaluation of biocontrol agent and wheat straw mulch on yield and yield components of groundnut (Arachis hypogaea L.) genotypes in Central Tigray, Northern Ethiopia
Groundnut (Arachis hypogaea L.) is the 13 and 4th most important food and oil seed crops in the world. Groundnut is a source of vitamin E. However, due to low soil fertility, drought stress, fungal diseases and lack of appropriate management, production has been constrained qualitatively and quantitatively in the study area. Trichoderma harzianum and wheat straw mulch could increase the growth performance of groundnut...
September 2019
African Journal of Agricultural Research
Performance of CIP and Dutch potato varieties under Rwanda climate conditions
In attempt to develop new potato varieties with the current market lead traits, nine Dutch potato varieties namely Fabula, Panamela, Sagitta, Challenger, Sifra, Rosi, Memphis, Taurus and Derby, and International Potato Center (CIP) varieties Kinigi and Kirundo were evaluated in three Rwandan sites for two growing seasons in a randomized complete block design (RCBD) with tree replications. The data collected consists of...
September 2019
African Journal of Agricultural Research
Inoculation with entomopathogenic fungi reduces seed contamination, improves seed germination and growth of chilli seedlings
The use of entomopathogenic fungi is a common practice for integrated pest management. It has recently been observed that they also play a role as growth promoters and plant disease antagonism. In this study, the effect of inoculation with two strains of Beauveria bassiana [(Bals.-Criv.) Vuill. 1912] (strains BB42 and BB09) and two strains of Metarhizium anisopliae [(Metschn.) Sorokīn 1883] (strains MA25 and MA28) on...
September 2019
African Journal of Agricultural Research
Evaluation of the systemic action of neem (Azadirachta indica A. juss) seed products against the desert locust immature Schistocerca gregaria (Forskal) (Orthoptera: Acrididae)
The current study was done to investigate the potential of the systemic growth regulatory effects of various neem seeds products against immature stages of desert locust infesting potted millet plants in Sudan. The tests also covered the stability of the systemic action of neem seed powder (NSP) under conditions of water stress. Some (33-80%) of the exposed nymphs developed to the third stage without further moulting....
September 2019
African Journal of Agricultural Research
Use of temporary immersion bioreactors on in vitro culture of cactus pear
This work was conducted with the objective of evaluating the performance of cactus pear cultivars on in vitro culture using bioreactors and the conventional method. The treatments were arranged in a 3 × 2 factorial scheme with a completely randomized design, and the three cactus pear cultivars (Orelha de elefante mexicana, Miúda and IPA-Sertânia) were combined with two micropropagation methods...
September 2019
African Journal of Pharmacy and Pharmacology
Effects of methanolic tuber extract of Cyperus esculentus Linn (tiger nuts) on sub-acute liver damage in albino rats
This study evaluated the effects of Cyperus esculentus methanolic tuber extract (CEME) on carbon tetrachloride (CCl4)-induced sub-acute liver damage in albino rats. Dried tubers of C. esculentus were pulverized and extracted by cold maceration, using 80% methanol. Thirty albino rats, randomly assigned to 6 groups (A–F) of 5 each were used for the study. Sub-acute liver damage was induced in Groups A-E rats using...
September 2019
African Journal of Pharmacy and Pharmacology
24 h pre-incubation of EA.hy926 cells with angiotensin II regulates insulin-dependent activation of eNOS in a concentration-dependent manner
The rennin-angiotensin II system (RAS) and the insulin-PI3kinase signalling pathways cross-interact with important physiological and pathophysiological consequences for cells and the whole organism. Here, the effect of 24 h pre-incubation of EA.hy926 with two different concentrations of angiotensin II, on insulin-mediated activation of the PI3kinase-AKT-eNOS signalling was investigated. Quiescent EA.hy926 cells were...
September 2019
Journal of Pharmacognosy and Phytotherapy
Phytochemistry, acute toxicity and blood profile of albino rats treated with fruit extract of
Solanum macrocarpon
Phytochemical screening of the methanolic fruit extract of Solanum macrocarpon was performed using standard method. Eighteen male albino mice, assigned into six groups (n=3) were used to determine the acute toxicity (LD50) of the extract. Haematological effect of the extract was determined using forty eight adult male rats assigned into four groups (A-D; n=12). The treatment groups received daily oral administration of...
September 2019
African Journal of Marketing Management
Satisfaction and retention strategies for Nigerian Generation Y customers
Firms in the service industry have experienced a 15 to 30% drop in customer satisfaction ratings estimated at $10 billion annually due to the unpredictable tendencies of Generation Y customers, also known as Millennials. Researchers project that the population size, spending power and inconsistent behavioral pattern of this generational cohort might determine how customers will relate to service providers in the future....
September 2019
Journal of Media and Communication Studies
A study on the effect of 13 Reasons Why on young adults with low self-esteem
The study was designed to examine the effect of 13 Reasons Why on 216 young adults with low self-esteem. Survey method was used to obtain the responses from the samples, before and after watching 13 Reasons Why. The findings of the study revealed that, 13 Reasons Why improved self-esteem in the female samples alone. No improvement in self-esteem was observed in the male samples. Key words: Thirteen...
September 2019
Journal of Public Health and Epidemiology
Alarming levels of ototoxicity among multidrug resistant tuberculosis patients on intensive phase of treatment at specialist treatment centers in South Western, Nigeria
Management of multi drug resistant tuberculosis (MDR-TB) patients remains a challenge in the control of tuberculosis worldwide. MDR-TB patients require long term treatment with drugs that cause various adverse effects especially ototoxicity associated with aminoglycoside. Current treatment guidelines still include aminoglycosides use especially in developing countries. However, there is dearth of information regarding...
September 2019
Journal of Public Health and Epidemiology
Awareness and psychosocial support for breast cancer patients and its public health implications
Breast cancer is the most common and steeply rising cancer among women in Bangladesh. This qualitative observational study is done to assess the psychosocial sufferings of breast cancer patients. The purpose of the study is to evaluate eradication of social obstacles and to amend the overall level of distress and stigma associated with breast cancer. The observational prospective study was conducted on 240 patients aged...
September 2019
African Journal of Microbiology Research
Antimicrobial and antioxidant activities of endophytic fungi extracts isolated from Carissa carandas
This is the first report of endophytic fungi derived from Carissa carandas producing bioactive compounds in Thailand. The aims of this research were to evaluate the antimicrobial and antioxidant activities of extracts from endophytic fungi, identify the potential fungal isolates by phylogenetic analysis and analyze the composition of the potential crude extract by gas chromatography-mass spectrometry (GC-MS). The...
September 2019
African Journal of Microbiology Research
Predisposing factors and cost Implications of pulmonary tuberculosis in patients attending federal medical centre Makurdi, Nigeria
The predisposing factors and the cost implications of pulmonary tuberculosis (TB) in patients attending Federal Medical Centre, Benue State, Makurdi, was investigated. Information on socio-economic and demographic characteristics of the patients was obtained using a structured questionnaire. The female had a higher (56.5%) number of TB patients than the male (43.5%). Most of the TB patients were married (52%). A larger...
September 2019
African Journal of Biotechnology
Molecular identification of acetic acid bacteria isolated from fermented mango juices of Burkina Faso: 16S rRNA gene sequencing
Acetic acid bacteria are known for their ability to oxidize ethanol to acetic acid. This study investigated to identify dominant strain acetic acid bacteria involving in fermented juice of mango and capable to produce Vinegar, total of 4 bacteria (CRSBAN-BVA1, CRSBAN-BVK1, CRSBAN-BVK2, CRSBAN-BVI1) bacteria strains were preselected ¶for the analyses. The strains were examined with biochemical, physiological and...
September 2019
African Journal of Biotechnology
Phylogenetic analysis of bluetongue virus serotype16 based on genome segment 5 (encoding NS1)
Bluetongue virus (BTV) is the ‘type’ species of the genus Orbivirus within the family Reoviridae. The BTV genome is composed of ten linear segments of double-stranded RNA (dsRNA), each of which codes for at least one of ten distinct viral proteins. Phylogenetic analysis based on VP2, VP3, VP5, VP7 and NS3 gene has been advocated by different researchers around the world. However, very little information...
Page 8 of 1176, showing 50 records out of 58782 total, starting on record 351, ending on 400
