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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. 10, No. 2, 2005, pp. 105-109
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Bioline Code: ja06033
Full paper language: English
Document type: Research Article
Document available free of charge
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Journal of Applied Sciences and Environmental Management, Vol. 10, No. 2, 2005, pp. 105-109
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Variation in Metal Contents of Plants in Vegetable Garden Sites in Kano Metropolis
AUDU, A A LAWAL, A O
Abstract
The concentrations (mg/Kg) of Cr, Co, Cu, Fe, Mn, Ni, Pb and Zn were determined in seven different vegetables which were obtained from sharada, kwakwachi and Jakara irrigation gardens in the Kano metropolis using Atomic Absorption Spectrophotometry (AAS). Samples were collected during both dry and rainy seasons. The mean levels of metals obtained ranged widely from 0.34 mg/Kg Cr to 27.35 mg/Kg Fe. The relative abundance of metals in vegetables analyzed followed the sequence Fe > Zn > Mn > Cu > Ni > Pb > Co > Cr. Reductions of metal levels ranging from 8.25% Fe in onion to 45.19% Ni in Okra were recorded in rainy season samples over those of the dry season. @JASEM
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