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Tree and Vegetable Crops Production 2014/2015 Question Paper
No full textA 2014/2015 Rain Semester exam Question Pape
Awareness level of HIV/AIDs in Nnewi urban and Utuh rural community in Anambra State Nigeria: Implication for agricultural policy formulation and development
No full textThis article contains tables and figuresHIV/AIDS has been recognized as a major global development crisis. It is so pronounced that the other segments of the nation ought to be concerned hence the concern of agricultural and rural development experts. This study examined the level of awareness of HIV/AIDS among rural dwellers of Utuh and urban dwellers of Nnewi Communities. Data were collected using structured questionnaire and interview schedule to elicit response from jiffy respondents selected from both communities respectively using multi-stage random sample techniques. Data were analysed using mean, frequency distribution and percentages. Hypothesized relationships were established using Z-test and multiple regression techniques. Results of the study show that more attention and campaign were concentrated in urban area of Nnewi more than rural area of Utuh. Promiscuity, ignorance and poverty were very serious factors influencing the spread 0fHIV/AIDS in both rural and urban while promiscuity appear very pronounced in urban Nnewi. Ignorance and poverty constituted a much more pressing factor in Utuh rural community. Churches, friends and neighbours appeared to be very effective in spreading information about HIV/AIDS in Utuh rural community. The mass media and NGOs appear very effective in Nnewi urban
Geo-helminthes associated with geophagic pupils in selected primary schools in Oyi, Anambra State
No full textThe article is a special issue on who is afraid of the microbesIdentification of geo-helminthes associated with geophagy as well as risk factors predisposing to such infestations among primary school pupils were carried out. Ethical permissions were obtained from headteachers of schools and pupils to collect stool samples of 200 volunteer pupils, aged 5-13years (106 males and 94 females) from rural and urban primary schools in Oyi Local Government Area of Anambra State, Nigeria. Stool samples were examined microscopically using wet mount (normal saline and iodine) technique. Data collected via questionnaires were analyzed to assess the relationship between geophagia, regular ingestion of soil and soil-transmitted parasites. Three intestinal parasites: Ascaris lumbricoides (A.lumbricoides), Ancylostoma duodenale (A. duodenale) and Trichuris trichiura (T. trichiura) were commonly observed. A total of 178 pupils (89%) found to be infected with one or more of these worms. A.lumbricoides had the highest prevalence of 52.8%, while A.duodenale and T.trichiura had 32.58% and14.61% respectively in all five villages in the Local Government Area. Infection rates and geophagic habits were established to be highest in children between the ages of 5 and 7years (p>0.05). Location and sex were observed to be insignificant factors in the distribution of these parasites (p>0.05). Geophagy and any other form of contact with the topsoil and children orally should therefore be noted as an important risk factor for orally acquired parasitic infections among children. Education on geophagy prevention should be an integral component of all soil-transmitted parasite control programs
Adsorption kinetics and Mechanisms of cypermethrin and dichlorovos on heterogeneous activated carbon porous media
No full textJournal of Chemical Engineering ,Technology and Environmental Sciences with tables, figures and diagrams.Adsorption kinetics and mechanism of Cypermethrin (CY) and Dichlorovos (DI) on activated car bons of oil bean seed shell (OBSS), unripe plantain peel (UPP) and castor bean seed shell (CBSS) systems have been studied. The equilibrium adsorption isotherms were modelled by Freunlich, Langmuir and Langmuir-Freunlich (LF) models. Adsorption isotherms of various systems were best described by Langmuir-Freunlich (LF). Mixed 1,2 order equation (MOE), integrated kinetic Langmuir (IKL), pseudo second order equation (PSOE), fractal-like mixed 1,2 order equation (F-MOE), and Boyd and Webbers models were compared and adopted in the analysis of the kinetic data. The models represented different uptake reduction rate of CY and DI by various adsorption systems. F-MOE, IKL and MOE models were in agreement with CY/OBSS, CY/UPP and CY/CBSS sys tem data respectively, hence the conforming models, whereas IKL, MOE and PSOE were the con forming models for DI/OBSS, DI/UPP and DI/CBSS adsorption data systems, respectively. The two
diffusion models (Boyd and Webbers) applied confirmed film diffusion pattern as prevailing transportation pathway for CY and DI onto the adsorbents