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Journal of Applied Sciences and Environmental Management
World Bank assisted National Agricultural Research Project (NARP) - University of Port Harcourt
ISSN: 1119-8362
Vol. 11, No. 3, 2007, pp. 147-152
Bioline Code: ja07082
Full paper language: English
Document type: Research Article
Document available free of charge

Journal of Applied Sciences and Environmental Management, Vol. 11, No. 3, 2007, pp. 147-152

 en The Effects of Spent Engine Oil on Soil Properties and Growth of Maize ( Zea mays check for this species in other resources L.)
Okonokhua, B.O.; Ikhajiagbe, B.; Anoliefo, G.O. & emede, T.O.

Abstract

The effect of spent engine oil (SEO) on soil properties and growth of maize ( Zea mays check for this species in other resources L.) was investigated. Five treatments (0.0, 0.2, 0.4, 0.6 and 0.8 l/kg) of the spent oil were applied to soil in perforated poly bags with maize stands at four weeks after sowing. Soil analysis showed that SEO had no effect on both the pH and texture of the soil. Organic C, N and Mg in the contaminated soils increased compared to the control. There was decrease in concentration of P due to soil contamination. Heavy metals (Fe, Cu, Zn and Pb) concentrations of soil increased with increasing concentration of oil. Plant height, root number and root length of maize plants grown in the contaminated soils were adversely affected. The grain yield of the plants in the contaminated soils was significantly reduced

 
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