ASSESSMENT OF HEAVY METALS UPTAKE BY VEGETABLES CULTIVATED ON SOIL RECEIVING INDUSTRIAL WASTEWATER IN MINNA, NIGERIA

Arid Zone Journal of Engineering, Technology and Environment

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Title ASSESSMENT OF HEAVY METALS UPTAKE BY VEGETABLES CULTIVATED ON SOIL RECEIVING INDUSTRIAL WASTEWATER IN MINNA, NIGERIA
 
Creator Adeoye, P. A.
Saidu, Z.
Kuti, A. I.
Ibrahim, J.
Adabembe, B. A.
 
Description Consumption of vegetable crops grown on soil irrigated with industrial wastewater has been the order of the day in most urban towns and cities of Nigeria, despite reports of its serious health impact. This study assessed the possibility of uptake of heavy metals by crops grown on soil receiving industrial wastewater during rainy and dry seasons. The crops investigated are Spinach, Cayenne Pepper, Jute mallow, roselle and lady’s fingers okra. The initial composition of the wastewater was analyzed to contain 0.89 mg/l of chromium, 0.74 mg/l of cadmium, 1.04 mg/l of copper and 2.81 mg/l of iron. Control water used for this experiment contain no trace of any of these heavy metals. The experimental soil was also analyzed and contained 0.10 mg/kg of chromium, 0.06 mg/kg of iron before irrigation in dry season. After irrigation at the wastewater plots, the heavy metal concentrations in soil had increased to 6.24 mg/kg of chromium and 7.50 mg/kg of iron. In wet season, the concentrations of heavy metals in the soil were 0.00 mg/kg of chromium and 2.32 mg/kg of iron before irrigation. After irrigation in wet season, the concentrations increased to 6.01 mg/kg of iron. Mean difference of heavy metal concentrations were significantly high in vegetables in dry season, with values ranging from 0.03 mg/kg to 211mg/kg in wastewater plots, 0.20 mg/kg to 215 mg/kg in wet seasons wastewater plots, 0.00 mg/kg to 157 mg/kg in dry season. It is however recommended that consumption of vegetables irrigated with domestic/industrial wastewater be strongly discouraged because of its serious health implications.
 
Publisher Faculty of Engineering, University of Maiduguri, P.M.B. 1069, Maiduguri, Nigeria.
 
Date 2018-12-31
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://azojete.com.ng/index.php/azojete/article/view/523
 
Source Arid Zone Journal of Engineering, Technology and Environment; Vol 14 No SPi4 (2018): AZOJETE - CIGR Section VI Special Issue: Innovation & Technologies for Sustainable Agricultural Production & Food Sufficiency; 101-110
2545-5818
1596-2490
 
Language eng
 
Relation http://azojete.com.ng/index.php/azojete/article/view/523/335
 
Rights Copyright (c) 2018 Faculty of Engineering, University of Maiduguri
 

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