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The increase in atmospheric carbon dioxide concentration and changes in associated climatic variables will likely have a major influence on regional as well as international crop production. This study describes an assessment of simulated potential maize (Zea mays) grain yield using (i) generated weather data and (ii) generated weather data modified by plausible future climate changes under a normal planting date and dates 15 days earlier and 15 days later using CropSyst, a cropping systems...
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The increase in atmospheric carbon dioxide concentration and changes in associated climatic variables will likely have a major influence on regional as well as international crop production. This study describes an assessment of simulated potential maize (Zea mays) grain yield using (i) generated weather data and (ii) generated weather data modified by plausible future climate changes under a normal planting date and dates 15 days earlier and 15 days later using CropSyst, a cropping systems...
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The increase in atmospheric carbon dioxide concentration and changes in associated climatic variables will likely have a major influence on regional as well as international crop production. This study describes an assessment of simulated potential maize (Zea mays) grain yield using (i) generated weather data and (ii) generated weather data modified by plausible future climate changes under a normal planting date and dates 15 days earlier and 15 days later using CropSyst, a cropping systems...
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The increase in atmospheric carbon dioxide concentration and changes in associated climatic variables will likely have a major influence on regional as well as international crop production. This study describes an assessment of simulated potential maize (Zea mays) grain yield using (i) generated weather data and (ii) generated weather data modified by plausible future climate changes under a normal planting date and dates 15 days earlier and 15 days later using CropSyst, a cropping systems...
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The increase in atmospheric carbon dioxide concentration and changes in associated climatic variables will likely have a major influence on regional as well as international crop production. This study describes an assessment of simulated potential maize (Zea mays) grain yield using (i) generated weather data and (ii) generated weather data modified by plausible future climate changes under a normal planting date and dates 15 days earlier and 15 days later using CropSyst, a cropping systems...
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A strong tsunami with sea disturbances observed along the Algerian coast, but with significant damage mainly in the Balearic Islands (Spain) harbours, affected the western Mediterranean following the 2003 Zemmouri earthquake (MW 6.9, Algeria). An average regional uplift of 0.55 m was measured along the shoreline in the epicentral area. Field observations, main shock and aftershocks characteristics are consistent with thrust along a ∼55-km-long rupture, trending NE–SW, dipping SE. The...
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The paper examines how Universal Basic Education affected cultural development in Nigeria It employed the analytical approach in explaining how the Universal Basic Education Scheme in Nigeria underrated the importance of language in its curriculum. It concludes that since language is a very significant element of culture, for the school system to help to bring about national development, it should employ its own language for easy understanding of concepts taught in schools.
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BACKGROUND: The association between elevated levels of triglycerides and insulin may be weaker in African-American women than in women of other groups, leading to underdiagnosis of the metabolic syndrome (MetS) in African-American women when using the National Cholesterol Education Program (NCEP) criteria, as that criteria does not include a marker of insulin resistance, using elevated triglycerides to provide an indirect indication of insulin resistance. OBJECTIVES: To determine the degree...
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The need for safe, secure schools is without question an essential prerequisite for learning and development. There are, however, unintended developmental costs to the way current discipline practices and safe school policies are enacted. There is compelling evidence that the well-intentioned efforts on the part of school officials to maintain a safe educational environment are in conflict with students' age-appropriate strivings for autonomy and culturally rooted forms of self-expression....
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South African universities have responded in a variety of ways to national policy directives to broaden access to mature adult learners. In this paper we examine the progress made by one institution—the University of the Witwatersrand—to open its doors to adult learners through the Centre for Part-Time Study, known as Wits Plus. We examine critically the government policies, institutional context, concept of adult learners and programmatic achievements which have shaped Wits Plus. We show...
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One of the causes of nasal obstruction associated with allergic rhinitis probably is caused by the dilatation of plexus cavernosum in nasal mucosa. In this study, the change in vascular responsiveness of nasal mucosa was investigated in the septal mucosae isolated from guinea pigs with allergic rhinitis.An allergic rhinitis model was prepared in guinea pigs by repeated challenge with aerosolized dinitrophenylated-ovalbumin antigen. Twenty-four hours after the last antigen challenge, the...
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This article applies Foucault's notion of governmentality to educational restructuring in post-apartheid South Africa. It argues that the nature of government in a modern state entails engaging with particular practices and domains of knowledge, which themselves constrain the changes that are conceivable and credible. Using Foucault's concepts of ‘conduct of conduct’, regimes of practices and ‘saviors’, the article outlines the approach adopted by the new government in relation to...
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Abstract The article comprises three sections, each divided into: (i) an analysis of a major trend pertaining to restructuring within universities internationally; (ii) comments on what the author views as some of the implications of this global trend, for sociology departments in South Africa. The first international trend, it is argued, is that we are seeing a fundamental transformation in research especially at research-oriented universities. This ‘2nd Academic Revolution’ of the late...
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Obesity is associated with lower rates of skeletal muscle fatty acid oxidation (FAO), which is linked to insulin resistance. FAO is reduced further in obese African-American (AAW) vs. white women (CW) and may also be lower in lean AAW vs. CW. In lean CW, endurance exercise training (EET) elevates the oxidative capacity of skeletal muscle. Therefore, we determined whether EET would elevate skeletal muscle FAO similarly in AAW and CW with a lower lipid oxidative capacity.In vitro rates of FAO...
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Soil moisture and soil temperature affect pre-harvest infection with Aspergillus flavus and production of aflatoxin. The objectives of our field research in Niger, West Africa, were to: (i) examine the effects of sowing date and irrigation treatments on pod yield, infection with A. flavus and aflatoxin concentration; and (ii) to quantify relations between infection, aflatoxin concentration and soil moisture stress. Seed of an aflatoxin susceptible peanut cv. JL24 was sown at two to four...
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The use of information and communication technology has become an integral component and a vital tool in teaching accounting. Over the last few decades, the blend of using state-of-the-art technologies has improved the effectiveness and efficiency of the learning process. Respectively, some predict that physical campuses will decay and crumble in the near future with the continuous growth of borderless societies and the diffusion of extended enterprises leading to a hybrid model for...
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The study was undertaken in southeastern Nigeria to investigate whether the people's level of education and what they know about malaria affects how they seek treatment and prevention for the disease. Pre-tested questionnaires were used to collect data from randomly selected householders and analysed using logistic regression. Higher levels of education were associated with improved knowledge and practice about the appropriate strategies for the prevention and treatment of malaria. The...
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Every morning at 7 a.m. after the nurse-midwifery staff offers Zulu songs and prayers to prepare for the day the head matron of the antenatal clinic at King Edward VIII Hospital Durban South Africa prepares herself to address the forty to fifty pregnant women gathered on benches. She describes simply and clearly to the group the rapid spread of the HIV virus and argues forcefully that these women must step forward to be tested for their own health and for the health of their unborn children....
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This article examines the use of testimony in the making of a new history in South Africa, situating this phenomenon in the context of public construction of memory and identifying history teachers as critical to the process. Through an ethnographic study of 16 schools that illuminates the use of teacher testimony in Cape Town history classrooms, the authors explore the nuanced use of testimony as a pedagogic tool and probe the role of history teachers as memory makers. Finally, this article...