Research Article

Heavy Metal Accumulation in Soil and Subsequent Uptake by Amaranthus (amaranthus Cruentus (l.) Irrigated with Dye Industrial Effluent

O. A. Oguntade1*, Adetunji M. T2, Jamiu Oladipupo Azeez3
1 Department of Soil Science and Land Management, Federal University of Agriculture, PMB 2240 Abeokuta, Ogun State, Nigeria
2 Department of Soil Science and Land Management, University of Agriculture, Abeokuta, Nigeria
3 Department of Soil Science and Land Management,Federal University of Agriculture, Abeokuta
* Corresponding author: deletade@yahoo.com
Published: Apr, 2017
DOI: 10.67042/njss.2017.zy0amwci
Pages: 35-39
Views: 513
Downloads: 613

Abstract

This study assessed the impacts of untreated dye effluent collected from three dyeing sites on soil heavy metal accumulation, uptake by root and accumulation in amaranthus shoot. Dye effluents collected at discharge points on the sites were diluted with fresh water at 0 %, 25 %, 50 % and 100 % concentrations. Each dye effluent concentration was applied at the rate of 200 ml three times in a week to amaranthus seedling earlier grown for one week with fresh water. The amaranthus was harvested at 6 weeks after planting (WAP), separated into its edible (shoot) and non-edible (root) portions. Tissue concentrations of plant parts were analyzed and uptake was determined. At dye effluent concentration of 25 %, bioaccumulation of heavy metals in amaranthus shoot was significantly higher (p < 0.05) than fresh water irrigation. Iron and Zn accumulation in shoot was also higher than 0.30 mg kg-1 allowable limits by WHO/ FAO/FEPA in vegetables. Dye effluent of 100 % concentration from the three sources and 50 % from Kemta caused death of amaranthus seedlings. Irrespective of sources and concentration, dye effluent increased heavy metal accumulation in soil significantly. Consumption of vegetable irrigated with dye effluent could pose risks to human health.

Keywords

concentration discharge point dye effluent dyeing untreated

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How to Cite

Oguntade, O. A., T, A. M., & Azeez, J. O. (2017). Heavy Metal Accumulation in Soil and Subsequent Uptake by Amaranthus (amaranthus Cruentus (l.) Irrigated with Dye Industrial Effluent. Nigerian Journal of Soil Science, 27(1), 35-39. https://doi.org/10.67042/njss.2017.zy0amwci

O. A. Oguntade, A. M. T, and J. O. Azeez, "Heavy Metal Accumulation in Soil and Subsequent Uptake by Amaranthus (amaranthus Cruentus (l.) Irrigated with Dye Industrial Effluent," Nigerian Journal of Soil Science, vol. 27, no. 1, pp. 35-39, April 2017. doi: 10.67042/njss.2017.zy0amwci

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