Articles
Page 3 of 1174, showing 50 records out of 58685 total, starting on record 101, ending on 150
November 2019
Journal of Agricultural Extension and Rural Development
Factors influencing the adoption of improved cowpea varieties in the Sudan Savannas of Northern Nigeria
The study was undertaken to determine the level and factors influencing adoption of improved cowpea varieties introduced by the Sudan Savanna Taskforce project in Musawa Local Government Area of Katsina State. Data were collected from a random sample of 300 households from ten communities in the study area. The analytical tools used for data analysis include descriptive statistics to examine the level of adoption of...
November 2019
Journal of Agricultural Extension and Rural Development
Current scenario and challenges of agricultural production to future food security in Bangladesh
Ensuring food security is a global challenge that can be mitigated by improving agricultural production. From the last few decades, many developed nations have introduced modern and sustainable agricultural system to abate this challenge. Now, developing countries also demand the blessings of sustainable agricultural system to face this globally burning issue. The purpose of this study is to examine the current...
November 2019
Educational Research and Reviews
The approach of learning a foreign language by watching TV series
In this study, the process of learning Turkish as a foreign language by watching TV series was analysed. It is a qualitative based study with document analysis, case study and mixed research design. The case study is based on the analysis of data obtained from 44 citizens of the Republic of Kosovo who have learned Turkish by watching TV series. 56.81% of these people do not know Turkish, while 29.54% of them know very...
November 2019
Educational Research and Reviews
The influence of learning styles on academic performance among science education undergraduates at the University of Calabar
This research work investigated the influence of learning styles on academic performance among Science Education undergraduates of the University of Calabar, Nigeria. The learning model used for this study comprised, visual, auditory, kindergarten, global analytical impulsive, reflective, individual and group models. Expo facto design was used for the study. The target population included all Science Education students...
November 2019
African Journal of Biotechnology
Evaluation of aflatoxins levels and molecular identification of toxigenic molds in cereals and cereal-derived breakfast foods in Nigeria
In the last decade, there have been an increase in safety concerns on the aflatoxins contents of cereals and cereal-derived food products in Nigeria. In the current study, evaluation of aflatoxins levels and molecular identification of toxigenic molds recovered from cereals and cereal-derived foods products in Nigeria were studied. Enzyme Link Immunosorbent Assay (ELISA) and high performance liquid chromatography (HPLC)...
November 2019
Educational Research and Reviews
Relationship between social challenges and the education of the girl-child as perceived by female academics in the tertiary institutions of Edo
State, Nigeria
The study looked at some social challenges confronting the education of the girl-child as perceived by female academics in the tertiary institutions in Edo State. To guide this study, seven research questions were raised and one hypothesis was formulated. The population was made up of all the female academics in all the tertiary institutions in Edo State, Nigeria. Three hundred and fifty females made up the sample of...
November, 2019
African Journal of Pharmacy and Pharmacology
Cytotoxic effects on MCF-7 breast cancer cell lines, phenol and flavonoid contents, high performance liquid chromatography (HPLC) analysis and antioxidant activity of Maerua pseudopetalosa (Gilg and Bened) De Wolf fractions
Maerua pseudopetalosa (Gilg and Bened.) De Wolf tubers which are used traditionally as antitumor agent in Sudan were subjected to separation by column chromatography technique. Eight fractions were obtained for the ethyl acetate extract and twelve for the ethanolic extract. The ethanolic fractions F8, F9, F11 and F12, with high bioactivity were subjected to further investigations....
October-December 2019
Journal of Soil Science and Environmental Management
Effect of vermicompost and blended fertilizers rates on yield and yield components of Tef (Eragrostis tef (Zucc.) Trotter)
Tef is a stable crop in Ethiopia in which its yield is constrained by poor soil fertility management. Therefore, a field experiment was conducted for two consecutive years during 2016 and 2017 on clayey textural soil to assess the effect of vermicompost and inorganic fertilizer rates on yield and yield components of tef. Accordingly, field experiment with four levels of vermicompost (0, 2, 4 and 6 t ha-1) and four...
October-December 2019
International Journal of Water Resources and Environmental Engineering
Estimate of bed load transport and scour depth in Kwadna watershed in Minna, Niger State, Nigeria
Knowledge of sediment transport has been used to determine whether erosion or deposition will occur beneath the hydraulic structures, especially the magnitude of this erosion or deposition, and the time and distance over which it will occur. This paper, utilizes the stream gauging by wading method in estimating the bed load transport and scour depth in Kwadna Basin. The estimate of bed load transport enhances the...
November, 2019
African Journal of Agricultural Research
Yield of different varieties of cassava (Manihot esculenta Crantz) in different harvest intervals
This experiment was installed in the experimental plot of the Faculty of Agrarian Sciences, National University of Asunción Department of Amambay, Paraguay, with the objective of evaluating the yield of four varieties of cassava in three harvest intervals. The experimental design was randomized blocks, with four treatments (Seda, Pomberi, Sa’yju and Tacuara) and five repetitions. The spacing was 0.8 x 0.7...
November, 2019
African Journal of Agricultural Research
Genotype×environment interaction and stability analysis of soybean genotypes for yield and yield components across two locations in Nigeria
A multilocational evaluation of 20 soybean genotypes was conducted in two distinct locations (Nsukka in Derived Savanna agro-ecology and Jalingo in northern Guinea Savanna) of Nigeria in 2015 and 2016 cropping seasons. The main objective of this study was to assess the genotype-by-environment interaction (G x E) for specific traits such as number of pods, pod weight, seed yield and yield stability. The results revealed...
November, 2019
African Journal of Agricultural Research
Evaluation of yield and yield components of some groundnut genotypes under rainfed condition in Mali using biplot analysis
Sixteen groundnut genotypes were evaluated under three different environmental conditions of Mali during 2015/2016 rainy season. The environments were Tioribougou, Djijan and Samanko affiliated at International Crops Research Institute for the Semi-Arid Tropics (ICRISAT). The experiments were conducted in a 2×8 alpha lattice with three replications. Within the environment, the main effect of a genotype was...
November 2019
African Journal of Biotechnology
Whole-genome optical mapping: Improving assembly of Macrophomina phaseolina MS6 through spanning of twelve blunt end chromosomes by obviating all errors and misassembles
Deciphering genetic information through next-generation sequencing (NGS) is considered as the basic platform to unveil in details of an organism. However, as it produces short reads that lead to difficulties in assembly, we generated long scaffold-based optical mapping (OM) data of previously sequenced devastating fungus, Macrophomina phaseolina MS6. In the process, KpnI identified as the most effective restriction...
November 2019
African Journal of Biotechnology
Callus induction in three mosaic disease resistant cassava cultivars in Benin and genetic stability of the induced calli using simple sequence repeat (SSR) and sequence-characterized amplified region (SCAR) markers
The effect of different concentrations of thidiazuron (TDZ), benzyl amino purine (BAP), kinetin and 2,4-dichlorophenoxy acetic acid (2, 4-D) on callus induction in three elite cassava cultivars (agric-rouge, atinwewe and agblehoundo) was evaluated. Leaf explants harvested from greenhouse-grown cassava were sterilised using different concentrations of commercial bleach commonly called Jik (3.85% NaOCl) at different time...
November, 2019
African Journal of Agricultural Research
Biochemical characterization of four less exploited edible fruits in Congo-Brazzaville: Passiflora edulis f. flavicarpa, Aframomum alboviolaceum, Saba comorensis and Clitandra cymulosa
The aim of this study was to determine the biochemical characteristics (moisture, crude protein, crude lipids, ash, pH, titrable acidity, minerals and free sugars) of four popular edible fruits (Passiflora edulis f. flavicarpa, Aframomum alboviolaceum, Saba comorensis and Clitandra cymulosa), but less exploited. The pulp and seeds of P. edulis f. flavicarpa and A. alboviolaceum was also investigated in order to identify...
November, 2019
International Journal of Physical Sciences
On the slow-time geomagnetic field modulation of cosmic rays
In this work, monthly means of cosmic ray count rates from two mid latitude (Hermanus and Rome), and two higher latitude (Inuvik and Oulu) neutron monitors (NM) were employed and their variability was compared with geomagnetic stations that are in close proximity to the NMs. The data spans 1966 to 2008 and covers four solar cycles. The difference (CRdiff) between the mean count rate of all days and the mean of the five...
October-December 2019
International Journal of Nursing and Midwifery
Does culture influence birth experiences of first-generation Nigerian women in London?
The study was undertaken to explore the influence of cultural practices on birth experiences of first-generation Nigerian women (FGNW) living in London, with the objective of highlighting factors within emic and etic care that may influence birth outcomes for this population. The study entailed an exploratory, descriptive, contextual and qualitative methodology organised in two stages. Focus group...
November 2019
Educational Research and Reviews
Actıvıty suggestions for ımprovıng crıtıcal
lıstenıng skılls
Listening skill is the least researched language skill. Most of the published studies include theoretical information about this skill. The fact that individuals have acquired some theoretical knowledge does not mean that they will use them effectively in their lives. In very few studies, listening activities were suggested and implemented. Moreover, there are no recommendations and practices of activity in the...
July –December 2019
Journal of Cereals and Oilseeds
Evaluation of NPSZnB fertilizer levels on yield and yield component of maize (Zea mays L.) at Laelay Adiyabo and Medebay Zana districts, Western Tigray, Ethiopia
The use of right amount of fertilizer based on crop requirement has a significant importance for sustainable crop production. Study was undertaken to investigate the effects of NPSZnB blended fertilizer for maize yield production at Laelay Adiyabo and Medebay Zana districts. Seven treatments were used for the field experiment. Treatments were without fertilizer, blanket recommended NP (64 kg N ha-1+69 kg P2O5 ha-1) and...
July –December 2019
Journal of Agricultural Biotechnology and Sustainable Development
Evaluation in Gampela (Burkina Faso) of agronomic performances of peanut genotypes (Arachis hypogaea L.) selected in Texas
Peanut is of paramount importance in human and animal nutrition, as well as in improving producers’ income. However, its production is faced with abiotic and biotic constraints. Among the biotic constraints, Cercosporiosis diseases are a major handicap in Burkina Faso. In order to minimize the impact of these diseases on peanut yield, important work has been carried out and is still ongoing to select and develop...
October-December 2019
Journal of Plant Breeding and Crop Science
Heritability studies of drought tolerance in groundnuts using the North Carolina design II fashion and variance component method
Drought is the most important abiotic limitation to groundnut yields across the world, and the Northern Regions of Ghana. The study estimated the heritability and genetic variability of selected parents of groundnut for drought tolerance traits to aid in their effective selection and utilization. The North Carolina II mating design was adopted while the variance component method was used to estimate heritabilities in...
October-December 2019
Journal of Plant Breeding and Crop Science
Efficacy of insecticides and crop critical stage for the management of chickpea pod borer (Helicoverpa armigera) in Central Zone of Tigray, Ethiopia
Chickpea pod borer (Helicoverpa armigera) is a major insect pest constraining chickpea production in Tigray, northern Ethiopia, as there is no recommended management option in the area. Therefore the present study was conducted to assess the efficacy of insecticides and to determine the critical growth stage of the crop for effective spray at Axum Agricultural Research Center. Results indicated that in laboratory profit...
November, 2019
African Journal of Agricultural Research
Socioeconomic and ecological consequences of Parthenium weed (Parthenium hysterophorus L.) in Boset Woreda, Ethiopia
Parthenium weed (Parthenium hysterophorus L.), an invasive alien species, has been spreading at alarming rate in Ethiopia, causing biodiversity degradation, yield losses in field and horticultural crops, health problems to human beings and livestock. A study on the socioeconomic and ecological impacts of P. hysterophorus was conducted in five Kebeles (lowest administrative division) of Boset Woreda (District), Ethiopia....
November, 2019
African Journal of Agricultural Research
Genotype-by-environment interaction and stability analysis of soybean genotypes for yield and yield components across two locations in Nigeria
A multilocational evaluation of 20 soybean genotypes was conducted in two distinct locations (Nsukka in Derived Savanna agro-ecology and Jalingo in Northern Guinea Savanna) of Nigeria in 2015 and 2016 cropping seasons. The experiments were laid out in an Alpha lattice design and replicated three times in each location. The main objective of the research was to determine the genotype-by-environment interaction (G x E)...
July-December 2019
African Journal of Mathematics and Computer Science Research
A short note on inequalities of interval-valued intuitionistic fuzzy matrices
Inequality, also known as inequation, but unlike equation does not have rich history. After the introduction of equation, inequation captures its popularity in different fields namely algebra, geometry, trigonometry, probability, set theory, fuzzy set theory, logic, calculus etc. Whereas inequalities used in algebra are called algebraic inequalities, the ones used in geometry are called geometric inequalities etc....
July-December 2019
African Journal of Mathematics and Computer Science Research
Total revenue function for non-regular fixed lifetime inventory system
The fixed lifetime inventory system assumes that outdated items are discarded from inventory. Such inventory system is here referred to as regular inventory system. The non-regular fixed lifetime inventory system assumes that outdated items are not discarded from inventory. The features of both the regular and non-regular inventory systems are compared in this work and the total revenue function for the non-regular...
November 2019
African Journal of Food Science
Risk factors associated with retail meat vendors in Lubumbashi, Democratic Republic of Congo
Food safety risk factors associated with retail meat sales in Lubumbashi, Congo D.R., was assessed in 2013. The study involved 168 meat vendors. The methods used were an interview and direct observation. Females represented 55.9%, and males represented 44% of the study respondents. Their age ranged from 18 to 40 years (92.8%). Sixty percent had obtained a primary level of education, 38% a secondary level, and only 1.1%...
November 2019
African Journal of Food Science
Effect of process treatments on the proximate composition of tigernut-soy milk blends
The effect of pasteurisation parameters and formulation components on the nutritional composition (carbohydrate, protein, fat, ash and moisture contents) of tigernut-soy milk blend was investigated. Twenty-six different formulations (F1 – F26) were prepared from tigernut and soy milk. The process treatments employed were; pasteurisation temperature, pasteurisation duration and mixing duration which varied from 60...
November 2019
African Journal of Food Science
The nutritional values of two species of sea cucumbers (Holothuria scabra and Holothuria lessoni)
from Madagascar
Sea cucumbers are fishery products that are not used for consumption by the Malagasy people. In this study, nutritional values of two species of trepangs (air dried sea cucumber) from Madagascar Holothuria scabra and Holothuria lessoni were determined including moisture, ash, fat, protein and carbonhydrate. The results showed that H. scabra and H. lessoni had respective water contents of 13 and 14%, the dry matter...
July-December 2019
Journal of Music and Dance
The Basarwa melon throwing circle dance (Siqciru/Sigcuru): The case of Kaudwane village in Kweneng West District of Botswana
This paper aims at examining the practical use of the melon dance by Basarwa (San) of Kaudwane village in the Kweneng West District of Botswana. Basarwa is a group of people who originate from the Central Kgalagadi Game Reserve (CKGR). Taking into consideration the Basarwa traditional way of life, this research focuses mainly on women and girls as the main participants of the melon dance music genre. Some authors refer...
November 2019
African Journal of Microbiology Research
Screening of fungal contaminants in banana tissue cultures in Jkuat, Kenya
Tissue culture is prone to high costs of production arising from losses incurred from fungal contamination. The aim of the study was to characterise fungal contaminants and elucidate the exhibited mode of resistance to most preferred sterilants. Twenty nine fungal samples were collected at the different stages of tissue culture growth, using purposive sampling technique. Morphology results were confirmed by...
November 2019
African Journal of Microbiology Research
Utilization potential of quality protein maize in spiced ogi
The high incidence of protein energy malnutrition among children under 5 years in Nigeria informed this study. Quality protein maize (QPM) produces more lysine and tryptophan than most modern varieties of maize. It has been reported to be economically superior to traditional maize. This research focuses on QPM ogi fortified with indigenous food spices in order to improve its health benefits and organoleptic properties....
November 2019
African Journal of Plant Science
Morphological characterization of blackberry (Rubus subgenus Rubus Watson) genetic resources in Kenya
The variation of morphological and physiological traits of blackberry (Rubus subgenus Rubus Watson) is vital for successful breeding of the fruit crop. The objective of this study was to characterize blackberry accessions in-situ using morphological descriptors in Kenya. Each blackberry accession was nested within its county of collection. A phylogenetic tree was then constructed using the Gower’s coefficient...
July-December 2019
Journal of Diabetes and Endocrinology
Effects of the combination of Cnidoscolus aconitifolius and Metformin on the glycemia in streptozotocin-induced diabetes rats
Currently, diabetes mellitus type two is a public health challenge worldwide. Even though there are many oral hypoglycemic agents, a large part of the population continues to use herbal remedies with proven benefits. However, there are few works aimed at evaluating combinations of drugs and herbal remedies. These combinations of drugs and herbal substances can lead to a decrease in the therapeutic effect of each of...
November, 2019
African Journal of Agricultural Research
Gastrointestinal nematodiasis in Ethiopian sheep under community-based breeding program
Gastrointestinal nematodes (GIN) are amongst the main health and production problems in sheep throughout the world. Faecal egg count (FEC) and FAffa MAlan CHArt (FAMACHA) score can be used as indictors to select genetically resistant animals against the infections. This study was undertaken to (1) determine intensity of and the factors associated with GIN infections in Ethiopian sheep under communal breeding program,...
November, 2019
African Journal of Agricultural Research
Effects of recommended improved crop technologies and socio-economic factors on coffee profitability among smallholder farmers in Embu County, Kenya
This study was carried out to determine the combined effects of recommended production technologies and farmer characteristics on coffee profitability at the farm level in Embu County, Kenya, using the profit function approach. Data were collected using semi structured questionnaires from a sample of 376 farmers who were randomly selected from six cooperative societies, using multistage stratified and probability...
November, 2019
African Journal of Agricultural Research
Determinant of groundnut (Arachis hypogaea L.) yield improvement in the farmers’ cropping systems in Benin
Groundnut is an important crop in the farmers’ cropping systems of Benin and one of the selected crops to be promoted by Benin Government. The aim of the present study is to analyze the traditional groundnut cropping systems in Benin. Farmers’ socio-economic characteristics, cropping practices, farmers’ perceptions of climate change manifestations on groundnut were information collected using an open...
November 2019
African Journal of Plant Science
An ethnobotanical study of medicinal plants in chiro district, West Hararghe, Ethiopia
Ethnobotanical study of medicinal plants is inadequate in Ethiopia in general, and in Chiro District in particular. Therefore, this study documents medicinal plant utilization, management and the threats encountered on them. The study was conducted from April 2017 to June 2018. Forty eight informants were purposively selected. Socio-economic and botanical data were gathered using group discussions, semi-structured...
October 2019
International Journal of Physical Sciences
Assessment of heavy metal pollution in marine sediments receiving produced water, Delta State, Nigeria
Every aspect of oil and gas operations poses significant negative impacts on the environment in varying levels, these environmental impacts have economic and public health consequences on the indigenes of the operation locality. Produced water discharge is one of such aspects of the upstream oil and gas operation whose potential for environmental degradation has necessitated both local and international regulations for...
October 2019
African Journal of Biotechnology
Scientific applications and prospects of nanomaterials: A multidisciplinary review
Nanotechnology is the science of objects <100 nm in size. Research into the development and application of nanomaterials takes a material science and engineering-based approach to nanotechnology. Nanomaterials often possess interesting optical, electronic and mechanical properties. The capacity to construct large, intricate structures with nanometer precision is rapidly increasing and consists several top-down...
October 2019
Journal of Agricultural Extension and Rural Development
Review on market re-orientation of extension services for value chain development in Borno State, Nigeria
Hitherto the primary focus of agricultural extension in Borno State has been to ensure increasing agricultural production for food security. However, the current emphasis is on enhancing rural incomes through market re-orientation. This change was necessitated by the realization that subsistence food production can no longer provide for a decent living and therefore increased engagement in commercial food production and...
October 2019
Journal of Agricultural Extension and Rural Development
Enhancing community participation to improve sustainability of irrigation projects in Geita
District, Tanzania
The research on which this paper is based was conducted in Geita District, Tanzania, to assess the nature of community participation in irrigation projects in three villages (Nzera, Lwenge and Nyamalulu) to find out whether community participation used in the projects was likely to lead to their long term sustainability. A cross-sectional research design was adopted in which a combination of purposive and simple random...
October 2019
Journal of Agricultural Extension and Rural Development
Causes of losses and the economic loss estimates at post-harvest handling points along the beef value chain in Uganda
Uganda’s beef industry has been growing slowly and requires sustained monitoring of actors at post-harvest handling points in order to decrease public health risks and losses. This study documented causes of losses and estimated economic values at post-harvest handling points along the beef value chain. It was carried out at slaughter houses, transporters and butcher shops in the districts of Western, Central and...
October 2019
African Journal of Plant Science
Plant disease forecast and modern dynamism in black pod disease management in Nigeria
Black pod disease (BPD) is reputed for its regular occurrence in Africa and around the world with high propensity for massive destruction of cocoa pods in the field and total yield loss per season if proper management strategies are not applied. This research was designed to provide useful and timely information on BPD outbreak, its intensity and specific areas expected to be massively affected by the disease in...
October 2019
African Journal of Plant Science
Effects of rooting media and indole-3-butyric acid (IBA) concentration on rooting and shoot development of Duranta erecta tip cuttings
Duranta erecta is popularly grown as an ornamental plant in tropical and semi-tropical gardens. Current demands for the shrub have prompted the need for effective propagation methods. In this study, the influence of indole-3butyric acid (IBA) hormone concentration and media on rooting of D. erecta propagated from tip cuttings under greenhouse conditions were investigated. IBA hormone was used in three concentrations...
October 2019
African Journal of Environmental Science and Technology
The dynamics of pastoral mobility routes in relation to food security in semi-arid areas of Simanjiro and Handeni districts in Tanzania
This study specifically examined the pastoral mobility routes in relation to food security in Simanjiro and Handeni districts. The pastoralists from Simanjiro district usually migrate to Handeni and other areas as a coping strategy. During the pastoral mobility the pastoralists face different problems such as food insecurity. The data were collected by using participatory geographic information system (PGIS) and the...
October 2019
African Journal of Environmental Science and Technology
Physicochemical quality of the groundwater perimeter of rice farms of Maga (Far North Cameroon)
The rice-growing area of Maga is located in the floodplain of Lower Logone. It covers an irrigable area of more than 7000 ha of arable land. This area is indeed subjected to groundwater quality studies. Three campaigns of water sample studies were performed for one year in 15 points including nine boreholes and six domestic feed wells. Temperature, pH, EC, as well as Ca2+, Mg2+, Na+, K+, NH4+, HCO3-, NO3-, Cl-,...
October 2019
African Journal of Environmental Science and Technology
Crude oil polluted soil remediation using poultry dung (chicken manure)
Remediating crude oil polluted soil in developing countries by environment-friendly approach has attracted scientific interest. Sampled crude oil and poultry dung were obtained from oil pit and farm in Warri, Delta State. 500 g/kg of crude oil polluted soil was weighed into four different containers labeled A, B, C and D; the soil was amended with the application of sundried poultry manure at various weights of...
October, 2019
African Journal of Pharmacy and Pharmacology
Tremendous health benefits and clinical aspects of Smilax china
A lot of species of Smilax known as Baqia in China are used in folk medicine for various purposes. Smilax china L., is a small vine that grows in the southern parts of China, known as Jin Gang Ten, which has a long history of indigenous use in China. S. china consists of fat, saponins, glucosides, gum, starch, flavonoids, tannins, and alkaloids. S. china has been used in traditional Chinese medicine because it has...
October, 2019
African Journal of Pharmacy and Pharmacology
Effect of the anticancer drug tamoxifen on chronic toxoplasmosis in experimentally infected rats
Toxoplasma gondii is an opportunistic parasite that can cause severe disorders in infants and pregnant women and can also be lethal in immunologically compromised individuals. During unfit host immune conditions, and as a consequence to latent stage opportunity, the protozoan stimulates serious infection, and signifies higher morbidity and mortality including humans with Acquired Immuno-Deficiency Syndrome (AIDS) or...
Page 3 of 1174, showing 50 records out of 58685 total, starting on record 101, ending on 150
