Zinc availability in relation to selected soil properties in a crude oil polluted eutric tropofluvent

The study investigated zinc availability in relation to selected soil properties in a crude-oil-polluted Eutric Tropofluvent in Egbema, Southeastern Nigeria. For this purpose, three treatments have been applied: unpolluted soil, polluted without vegetation and polluted with vegetation with five repl...

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Bibliographic Details
Published in:International journal of environmental science and technology (Tehran) 2010, Vol.7 (2), p.261-270
Main Authors: Chukwuma, M. C, Eshett, E. T, Onweremadu, E. U, Okon, M. A
Format: Article
Language:English
Subjects:
Aquatic Pollution
Crude oil
Earth and Environmental Science
Ecotoxicology
Environment
Environmental Chemistry
Environmental Science and Engineering
Eutric tropofluvent
Oil spills
Soil properties
Soil Science & Conservation
Soil sciences
Soils
Spillage
Tropical soils
Waste Water Technology
Water Management
Water Pollution Control
Zinc
Zinc availability
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Summary:The study investigated zinc availability in relation to selected soil properties in a crude-oil-polluted Eutric Tropofluvent in Egbema, Southeastern Nigeria. For this purpose, three treatments have been applied: unpolluted soil, polluted without vegetation and polluted with vegetation with five replicates arranged in a randomized complete block design. Guided by transect sampling technique, soil sampling was carried out in June 2008. Soil samples were collected from the three different land units using soil auger at a depth of 0-20 cm. Standard laboratory procedures were adopted in analysing the soils. Soil generated data were subjected to analysis of variance and correlation analysis. Results showed highly significant variation (p = 0.01) in bulk density, porosity, silt: clay ratio, pH, effective cation exchange capacity, percent base saturation, total nitrogen, organic matter, available phosphorus, calcium: magnesium ratio and zinc. It was found that zinc was higher in crude oil polluted soils than in non-polluted soil and it was below critical limits. Zinc availability in relation to selected soil properties in the crude oil polluted soils indicated that clay and organic matter did not affect zinc availability, while pH and effective cation exchange capacity did. A study on zinc dynamics in crude-oil-polluted soils will certainly provide further information on the management of crude-oil-polluted soils since it is one of the key micronutrient for crop productivity.
ISSN:1735-1472
1735-2630
DOI:10.1007/BF03326136