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School-Related Factors as Predictors of Learning Outcome among Primary School Pupils in South West, Nigeria
Published 2022
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On-field assessment of critical period of weed interference in okra [abelmoschus esculentus (l.) moench] field in ibadan, a rainforest-savanna transition eco-zone of Nigeria
Published 2009
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FRELIP Subject
Availability of Teachers
1 results
1
Competition
1 results
1
Critical period
1 results
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Diversity indices
1 results
1
Free Feeding
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1
Free Health Care
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Free tuition
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Okra
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Scholarship
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The critical period of weed interference is defined as the period in the life cycle of a crop during which it must be kept free of weeds to prevent unacceptable yield losses. The critical period of weed interference in okra [Abelmoschus esculentus (L.) Moench] was determined in the field trials during two cropping seasons (2006 and 2007) in the crop garden of the Department of Crop Protection and Environmental Biology, University of Ibadan, Ibadan located in the rainforest-savanna transition ecological zone of Nigeria. The study, consisting of two sets of treatments was carried out in a randomized complete block design with three replicates. In the first set of treatments, the crop was kept free of weeds for the first 2, 4, 6 and 8 weeks after planting (WAP) and subsequently weeds were allowed to grow (weed-free then weedy, WF-WD) until harvest, to determine the growth stage at which emerging weeds would no longer reduce the crop yields. In the second set of treatments, weeds were permitted to grow with the crop for an increasing length of time as listed above and subsequently the plots remained weed-free (weedy then weed-free, WD-WF) to determine the period at which weeds emerging with the crop began to suppress the growth of the crop and reduce its yield. Seasonlong weed-free (WD-0-WF) and weedy (WF-0-WD) treatments served as checks to compare weed competition and yield losses with other treatments. Season-long weed interference with okra resulted in 42.3% and 33.3% reduction in plant height, 54.9% and 45.5% reduction in stem diameter and 71.2% and 79.5% reduction in okra shoot dry weight in 2006 and 2007, respectively. Weeds that interfered with okra from 2 WAP resulted in 79.8% and 72.5% fresh fruit yield reduction in 2006 and 2007 respectively, and weed interference with okra from 8 WAP resulted in 19.8% and 19.6% yield losses in 2006 and 2007, respectively. Thirty one (31) weed species were enumerated in the study area with dicotyledons being the most prevalent (80.7%). The most important of the weed species among the dicotyledons was Synedrella
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This study investigated the predictive effects of school related factors on learning outcome among pupils in selected primary schools where Federal Government in collaboration with state governments is carrying out an experimental study in Southwest geopolitical zone, Nigeria. The study adopted a descriptive research design of correlational type. A total number of five hundred (541) and forty-one pupils in Southwest geopolitical zone with ages ranged from 7±1.5 years with mean of 8.41 and 3.75 standard deviation were selected using stratified random sampling technique due to differences in the state of origin and level of monitoring of facilities provided and the research instrument employed was an adapted questionnaire consisting of demographic section, and measures of free tuition, free health care, free feeding, scholarship, availability of teachers, school friendly environment and achievement test on English language and mathematics was attached for learning outcome (using average score in Mathematics and English language tests) of the respondents with 0.76 and 0.73 reliability coefficients respectively. The study answered three research questions using statistical tools like Pearson Product Moment Correlation (PPMC) and Regression analysis. The findings revealed that there was joint contribution of the independent variables to learning outcome of primary school pupils in southwest geopolitical zone of Nigeria; R = 0.648, p<0.05. It further revealed that 40.8% (Adj R2 = 0.408, p<0.05) in the pupils’ learning outcome was due to the prediction of the independent variables. There was significant contribution of all the independent variables. The most potent contributor to learning outcome was school fee and free health care while other variables had inverse contribution. Based on this, researcher conclude that government should strive to provide adequate educational opportunities to the children from inception to enable them have strong educational background and that at the end both the government and parents will reap the fruits of their labour
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Weed-crop
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