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Abstract
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Article Information:
Effect of Climatic Variability on Maize Production in Nigeria
F.A. Sowunmi and J. O. A kintola
Corresponding Author: Fatai Abiola Sowunmi
Submitted: 2009 November, 12
Accepted: 2009 December, 03
Published: 2010 January, 10 |
Abstract:
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The study examines the changes in climatic elements and agronomic parameter (maize hectarage
and output) for maize production in different ecological zones of Nigeria from 1980 - 2002. The study also
evaluated the degree of variability in these parameters. To achieve these objectives, secondary data on climatic
elements and agronomic parameters for 22years were analysed using two – way Analysis of Variance
(ANOVA) and Coefficient of Variation. The result revealed significant differences in average annual rainfall,
temperature, maize hectarage and output in the seven identified ecological zones (p<0.05). Less variability was
shown by annual temperature and rainfall over the years. Annual maize hectarage and output exhibited high
variability in the ecological zones. Development of irrigation facilities and adoption of cultivation method that
will reduce exposure of soil to flood and erosion among others are recommended for savannah and forest zones
respectively.
Key words: Analysis of varianc, coefficient of variation, climatic element, ecological zones, erosion, irrigation, maize, montane, unimodal rainfall
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Cite this Reference:
F.A. Sowunmi and J. O. A kintola, . Effect of Climatic Variability on Maize Production in Nigeria. Research Journal of Environmental and Earth Sciences, (1): Page No: 19-30.
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ISSN (Online): 2041-0492
ISSN (Print): 2041-0484 |
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