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Growth, Nutrient Uptake Efficiency and Yield of Upland Rice as Influenced by Two Compost Types in Tropical Rainforest-Derived Savannah Transition Zone  [PDF]
Oyeyemi Adigun Dada, Adeniyi Olumuyiwa Togun, James Alabi Adediran, Francis E. Nwilene
Agricultural Sciences (AS) , 2014, DOI: 10.4236/as.2014.55040

Cultivating traditional upland rice cultivars on nutrient depleted soil causes poor and low yield. Little attention is paid to performance of inter-specific NERICA cultivars grown on nutrient deficient soil augmented with different types of compost. Therefore, field trials were conducted during 2010 and 2011 planting seasons in Ibadan to evaluate growth, dry matter, nutrient uptake efficiency and grain yield of upland rice grown on nutrient deficient soil augmented with different types of compost. There were nine treatments comprising of three upland rice cultivars: NERICA I, NERICA II and Ofada, two compost types applied at the rate of 8 t·ha-1: poultry dropping + maize stover (PDMC) and cattle dung + maize stover (CDMC) and control. The treatments were laid out in randomized complete block design and replicated three times. CDMC enhanced growth, nutrient use efficiency, dry matter and grain yield of upland rice cultivars. Performance of Ofada was better than NERICA cultivars. N (24.55 g), P (12.45 g) and K (35.41 g) uptake concentration and grain yield (5.45 t/ha) were highest in Ofada plots augmented with CDMC. Residual effect of compost on growth, yield and nutrient uptake efficiency of upland rice on nutrient deficient soil was marginal.

Period of Weed Control in Okra [Abelmoschus esculentus (L.) Moench] as Influenced by Varying Rates of Cattle Dung and Weeding Regimes
Oyeyemi Adigun DADA,Ojo Olajumoke FAYINMINNU
Notulae Botanicae Horti Agrobotanici Cluj-Napoca , 2010,
Abstract: Field trials were conducted during 2005 and 2006 planting seasons to investigate the influence of cattle dung and the critical period of weed interference on growth and yield components of okra [Abelmoschus esculentus (L). Moench]. The study was a factorial trial laid out in a split plot design and replicated three times. The main plot comprised of four levels of cattle dung and the sub plots were three regimes of weeding. The growth attributes viz; plant height, number of leaves, leaf area and dry matter production differed significantly due to different treatments. These attributes increased significantly owing to application of cattle dung which leads to continuous availability of nutrients to the plants as well as appropriate timing of weeding which reduced the influence of weed interference on the okra. Yield and yield components were influenced significantly by application of cattle dung and weeding regimes. Highest fresh fruit yield (102.93 t ha-1) was observed in plots that received 8 t ha-1cattle dung and weeded at 3 and 6 weeks after sowing. Application of 8 t ha-1 of cattle dung as well as weeding at 3 and 6 weeks after sowing significantly enhanced okra growth and fruit yield. However, plots with sub-optimal cattle dung rate and infested with weeds till harvest produced least dry matter and fresh fruit yield.
Mineral and Nutrient Leaf Composition of Two Cassava (Manihot esculenta Crantz) Cultivars Defoliated at Varying Phenological Phases
Oyeyemi Adigun DADA,Oyetola Olusola OWORU
Notulae Scientia Biologicae , 2010,
Abstract: The effect of defoliation on mineral and food value of two cassava varieties defoliated at varying phenological phases was studied to ascertain the appropriate phenological phase when harvested leaves would contain the optimum mineral and proximate composition, gross energy and the least cyanide content. Two cassava cultivars were subjected to defoliation at varying phenological stages including logarithmic, vegetative and physiological maturity phases. The mineral content was highest at the logarithmic phase than any other phases. The proximate composition of the cassava leaves showed that crude protein was highest at physiological maturity, while the least HCN was observed in cassava defoliated at logarithmic phase. Analysis of mineral and proximate content showed that leaf of the ‘TMS30572’ cultivar had the highest mineral content, fat, fibre, ash, dry matter and gross energy at the logarithm phase while ‘Oko-Iyawo’ had the highest crude protein and HCN at physiological maturity. This study indicates the high potential of cassava leaf as an unconventional source of protein for both humans and animals when defoliated at logarithmic growth phase.
Oyeyemi Adigun DADA,Ayodele Samuel THOMAS,Oyetola Olusola OWORU
Annals of West University of Timi?oara : Series of Biology , 2012,
Abstract: Compost application in form of pre-planting incorporation limits nutrient use efficiency in upland rice propagation. Supplying nutrients to crop as required enforces realization of yield potential of field crop. Field study was carried out between 2009 and 2010 planting seasons to investigate the response of upland rice cultivars to split application of compost at varying growth phases in derived savannah agro-zone. Cattle dung + maize stover compost was applied in two splits of different growth phases (Pre-planting, tillering and panicle exertion, tillering and booting, panicle exertion and booting) to three upland rice cultivars - NERICAI, NERICA II and Ofada. The study was laid out in randomized complete block design with three replicates. Data were collected on growth, dry matter, nutrient uptake concentrations and grain yield. Data were analyzed using Analysis of Variance (ANOVA) and the significant means were compared with Least Significant Difference (LSD) at p = 0.05. The results showed that compost application at active vegetative periods (Tillering to booting) promoted better LAI (1027.89), number of leaves (23.94) and tillers (5.11). The response of the three upland rice cultivars to varying time of compost application revealed that split application of compost had significant effect on yield components of upland rice cultivars. Uptake concentration of N (11.49mg/kg) and P (8.65mg/kg) were significantly highest in rice field fertilized at panicle exertion and booting growth.
Oyeyemi Adigun DADA,Olajumoke Ojo FAYINMINNU,Temitope Opeyemi TAIWO
Annals of West University of Timi?oara : Series of Biology , 2012,
Abstract: Soil and water contaminated with heavy metals pose a major environmental and human health problem in Nigeria. This study was carried out to ascertain the presence of heavy metals in Urban Solid Waste Compost (USWC) and examined the potentials of Tithonia diversifolia and Ageratum conyzoides in remediating heavy metals constituents of USWC. The study was carried out in the crop garden of the Department of Crop Production, Olabisi Onabanjo University, College of Agricultural Sciences, Ayetoro. The trial was a completely randomized design with four replicates. The treatments was made of two plant species belonging to Compositae family and USWC obtained from three different dump site locations in Ayetoro and a control. Two seeds of the two plant species were sown in pots containing 20kg of USWC and grown for 12 weeks. Data were subjected to analysis of variance and means separated by LSD at p≤ 0.05. At the commencement of the trial, the concentration of Pb, Cd and As in the USWC from the three dumpsites averaged 15mg/kg, 0.53mg/kg and 0.15mg/kg respectively. Post trial analysis showed that Pb, Cd and As contents of the USWC was reduced by 97.99%, 75.90% and 11.69% respectively. Uptake of Pb (t α =0.05 = 0.36), Cd (t α =0.05 = 0.64), and As (t α =0.05 = 0.91) by the two plant species were not significantly (p<0.05) different. Partitioning of the pollutants was more in roots (Pb = 15.15 mg/kg, Cd = 0.57mg/kg and As = 0.13mg/kg) than shoots (Pb = 14. 89mg/kg, Cd = 0.49mg/kg and As = 0.15mg/kg). The implication of the results for the quality of arables produced at urban and peri-urban roadside gardens as well as human health and environmental problems are discussed.
Physiotherapy Education: Global Trends, Perspectives and Future Direction
AY Oyeyemi
African Journal of Physiotherapy and Rehabilitation Sciences , 2011,
Abstract: The advances in technology and the recent transformation in global communication, which are increasingly reducing the spatial limitation in education, have influenced perspectives on how education is delivered. This paper presents a global trend in higher education with particular reference to education and training in physiotherapy and other health professions. It outlines the variables and models of education, the competencies in allied health and medical education and also discusses the relevance and resource needs to internationalize physiotherapy education in Nigeria. Instituting transnational education in Nigeria will require improvements in electronic pedagogical infrastructure and learning resources and curriculum enhancements, and may also require contributions from Nigerians in the Diaspora.
Activities of the Professoriate: A new perspective on scholarship
A Oyeyemi
African Journal of Physiotherapy and Rehabilitation Sciences , 2009,
Abstract: A persistent presumption is that research activity solely constitutes scholarship, with the exclusion of teaching and service, the other two activities of the professoriate. The purpose of this review is to promote awareness on the multidimensional nature of scholarship. This paper presents an observable trend on the subject of scholarship among academics, with particular reference to physiotherapy practice and teaching. It outlines the three requirements of scholarly activity, and elucidates on the scholarship of discovery, the scholarship of application, the scholarship of integration and the scholarship of teaching and learning. It also offers an insight into the activities that are considered scholastic and those that are not. The scholarship of teaching is an option open to the entire professoriate. The physiotherapy academicians and clinicians are challenged to embrace true scholarship. KEY WORDS: scholarship, discovery, integration, teaching, learning, application
Heterosis and growth statistics of pure and crossbred sheep in humid tropics of Ibadan, Nigeria
MO Oyeyemi
Nigerian Veterinary Journal , 2011,
Abstract: Nigerian Veterinary Journal, Vol 32(2): 2011: 137-142
Effect Of Garcinia kola seed meal on egg quality of the north african Catfish (Clarias gariepinus) (Burchell, 1822) Broodstock
AA Dada
African Journal of Food, Agriculture, Nutrition and Development , 2012,
Abstract: Study was undertaken to evaluate the effects of G. kola (Bitter kola) powder on egg quality in African catfish, C. gariepinus broodstocks. Catfish broodstocks (mean weight, 911.25 ± 1.77 g) were randomly distributed into concrete tanks (2 x 2 x 1.2 m) at ten fish/tank in triplicates. Five diets with 40 % crude protein containing 0, 50, 100, 150 and 200 g kg-1 G. kola seed powder in the feed were formulated and added to the tanks to give 3 % of body weight per day. Fecundity, Percentage fertilization, percentage hatchability and egg size (diameter) of C. gariepinus were investigated. The results of the study show that G. kola seed powder affects the fecundity, percentage hatchability and percentage survival of C. gariepinus larval. The fish fed 200 g kg-1 G. kola seed powder had higher oocyte diameter but not significantly different (p<0.05) from those of the fish fed the other diets. However, the egg diameter was largest in the group of fish fed diet 200 g kg-1 G. kola seed powder and this had negative effect on the fertilization of the eggs. Significantly higher (p<0.05) percentage fertilization and percentage hatchability were recorded for the fish fed diet of 150 g kg-1 G. kola seed powder than for the fish fed the alternative diets. The results showed that as the inclusion level of G. kola seed powder increased, the percentage egg fertilization increased, except when the fish were fed diet of 200 g kg- 1 G. kola seed powder where a sharp decrease was recorded. Survival of larval ranged from 88 % to 100 % and was not related to the G. kola seed powder inclusion in the diet. In this study, the larval of the fish fed on diets 150 and 200 g kg-1 G. kola seed powder survived better than the fish fed other supplemented diets. The results suggest that dietary supplementation with G. kola seed powder improved fecundity, hatchability and survival of C. gariepinus larval and has a potential pro-fertility property which can be exploited in fish seed production.
Refractive-status before and after contact lens wear
Dada V
Indian Journal of Ophthalmology , 1981,
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