Abstract This is a study of the leaching and dissolution kinetics of zinc and copper from polymetallic sulphide ore obtained from Zarara Hill, Kaduna state, Nigeria. The elemental analysis ICP-OES showed that the ore contains iron (68440 mg/kg), Zinc (27477mg/kg), Copper (26387mg/kg), lead (25130mg/kg) and Sulphur (33017mg/kg) as major elements. After leaching in different concentrations […]
MORPHOLOGICAL AND PHYSIOLOGICAL RESPONSE OF Monodora tenufolia BENTH. SEEDLINGS TO DIFFERENT FIELD ESPACEMENT
Abstract Planting espacement is a vital process which affects the quality of tree’s growth and development but this information is lacking in Monodora tenufolia (a multipurpose species). This study aimed at obtaining the appropriate espacement for plantation of this species by subjecting seedlings to three (3) different espacement on field trial. Forty five (45) seedlings […]
DETERMINANTS OF EXTENSION WORKERS’ PERCEPTION OF TECHNOLOGY DELIVERY THROUGH CYBER-EXTENSION MODE IN OYO STATE, NIGERIA
Abstract Covid-19 pandemic introduced a paradigm shift in extension service delivery different from conventional methods, which are inadequate to cater for the needs of farmers during a pandemic. Therefore, this study examined the determinants of perception of extension workers on technology delivery through cyber extension mode. A well-structured interview schedule was used to select 208 […]
ALGAL GROWTH IN THE BIOLOGICAL TREATMENT OF CATTLE WASTE
Abstract The steady increase in contaminants and pollutants reaching our1akes and streams has caused the steady decline in the 1ife supporting and aesthetic qualities of our waters. This is caused by excessive fertilization from effluents high in phosphorus, nitrogen and organic growth substances. Algae and aquatic plants become excessive and when they decompose a sequence […]
HEAVY METALS AND HEALTH RISK ASSESSMENT OF COCOYAM, MAIZE AND PLANTAIN GROWN ON- FARM AROUND LAPITE DUMPSITE IN MONIYA, IBADAN
Abstract The study was carried out to evaluate heavy metals concentration and their human health risk in some selected crops grown on – farm at close proximity (seven meters away) to Lapite dumpsite in Ibadan. Soil samples: of 0 – 15 and 15 – 30 cm depths were randomly collected, while Xanthosoma sagititolium (cocoyam), Zea […]
ASSESSMENT OF WOMEN INVOLVEMENT IN ARTISANAL FISHING IN OGUN WATERSIDE LOCAL GOVERNMENT AREA OF OGUN STATE
Abstract The study assessed women involvement in artisanal fishing in Ogun Waterside Local Government Area of Ogun State with a view to investigate constraints and level of women involvement in fishing. Structured interview schedule was used to collect data on women socio-economic characteristics, involvement, its extent, sources of information available to women and constraints associated […]
NATURAL INK SYNTHESIS FROM FLOWERS OF FLAME OF FOREST (Butea monosperma), COMMON LANTANA (Lantana camara), AND BERRIES OF MALABAR SPINACH (Basella alba)
Abstract The art of writing and printing requires ink which can be of natural or synthetic origin. Synthetic inks owing to their merits have an edge over natural inks. However, Volatile Organic Compounds and the non-degradable nature of synthetic ink pose a threat to the individual engaged with it and the environment. Thus to overcome […]
COPING WITH FOOD INSECURITY IN A PRO-POOR COMMUNITY: EVIDENCE FROM RURAL WOMEN IN EJIGBO LOCAL GOVERNMENT AREA OF OSUN STATE, NIGERIA
Abstract The study assessed the strategies through which rural women coped with the menace of food insecurity in their households. It identified the consumption and livelihood coping measures and constraints to their strive for household food security. Multistage sampling procedure was used to select a total of 120 women from 10 villages from the pro-poor […]
SURVEY ON THE USE OF COMMERCIAL FEEDS BY FISH FARMERS IN SOME SELECTED LOCAL GOVERNMENT AREAS IN EDO SOUTH
Abstract The study examined the use of commercial fish feed by fish farmers in some selected local government areas in Edo South (Ovia North East, Ovia South West, Egor and Oredo). One hundred and twenty questionnaires were administered randomly in the selected local government areas. The research has shown that 75% of the farmers were […]
ON COMPARISON OF PERFORMANCE METRICS OF THE BIVARIATE KERNEL ESTIMATOR
Abstract The two-dimensional kernel estimators are very important because graphical presentation of data beyond three dimensional forms is oftentimes not too frequently employed in data visualizations. The frequency of the bivariate estimator in the multivariate setting is attributed to the sparseness of data that is associated with increase in dimension. The performance of bivariate kernel […]