Review of Edible Plants in Dumpsites: Risks of Heavy Metals Toxicity and Implications for Public Health

Obasi, Nwogo Ajuka; Obasi, Stella Eberechukwu; Aloh, Getrude Obinaju; Elom, Sunday

doi:10.9734/jeai/2017/35741

Cited by 2 publications

(2 citation statements)

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“…Literature has shown that pollutants from sludge can potentially leach into crops (Olowoyo and Mugivhisa, 2019). A transfer of heavy metals from dumpsite soil to plants grown on this soil was recorded by Obasi et al (2017) and Fei-Baffoe et al (2021) also reported an accumulation of heavy metals in plants grown on soil treated with sewage sludge. Nunes et al (2021) observed a collection of heavy metals and other pollutants on vegetables grown on soil treated with sludge.…”

Section: Introductionmentioning

confidence: 91%

A comparison of selected heavy metals in soils mixed with domestic and industrial sludges and assessment of effects of the sludge pollutants on oxidative stress markers of the African kale (Brassica oleracea var acephala) grown using sewage sludge manure

Basopo¹,

Donald²,

Rumbidzai³

2022

Afr. J. Environ. Sci. Technol.

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Sewage sludge is used as fertiliser and contains nutrients required for plant growth. It also contains contaminants that can leach into crops. The effects of sewage sludge on kale plants were investigated. Mixture ratios of 50:50 and 20:80 for soil and sludge were prepared. The soil-sludge blends were analysed for selected metal residues. Kale seedlings of 10-13 cm were planted on the different soilsludge combinations. Leaf lengths were measured 21 days post transplanting for four weeks. After sixty days, the leaves were analysed for metal residue levels and antioxidant enzyme activities. The results showed higher metal concentrations in soil blended with industrial sludge than in soil mixed with domestic sludge. The highest growth of plants was observed after 28 days in plants grown on 50% soil-industrial sludge mixtures. Superoxide dismutase and glutathione peroxidase activities were higher in plants grown on soil applied with sewage sludge when compared to enzyme activities in plants grown on sludge-free soil. The high levels of metals and enhanced antioxidant enzyme activity observed were attributed to the contaminants in the sewage sludge. Preassessment of sewage sludge to be used as soil manure is recommended to safeguard the health of plants and, indirectly, humans who consume the crops.

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Section: Introductionmentioning

confidence: 91%

A comparison of selected heavy metals in soils mixed with domestic and industrial sludges and assessment of effects of the sludge pollutants on oxidative stress markers of the African kale (Brassica oleracea var acephala) grown using sewage sludge manure

Basopo¹,

Donald²,

Rumbidzai³

2022

Afr. J. Environ. Sci. Technol.

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“…This is because it has not been possible to separate consequences of dumpsite contaminated surface and groundwater contacts from medical conditions associated with population living around dumpsites. Studies [82][83][84][85] reported the following: inhalation of odor, exposure to dust, exposure to smoke, exposure through water sources, consumption of plant materials, consumption of animal materials, exposure through organisms (vectors), noise from vehicles, exposure to fire, dermal contacts and exposure through domestic animals as possible routes of human exposure and contact with dumpsites and products of dumpsite modifications. Medical conditions reported from the population living close to dumpsites in different parts of Nigeria are presented in Table 12, which have been observed in Nigeria from areas of regular contacts with contaminated water [90] but not from dumpsites or landfills.…”

Section: Municipal Solid Waste and Inland Water Bodies In Nigeriamentioning

confidence: 99%

Municipal Solid Waste Management and the Inland Water Bodies: Nigerian Perspectives

Sowunmi¹

2019

Municipal Solid Waste Management

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Municipal solid waste (MSW) composition, natural transformation, dynamics and impacts on inland water bodies in Nigeria were examined, using dumpsites and landfills as the common markers. Nigeria is estimated to have over 178.5 million people and kg/capita/day of 0.26-1.02 MSW, projected to increase with the expansion of the economy which is in need of better articulated MSW management strategies. The enormous natural inland surface and groundwater resources are daily challenged directly and indirectly, through decline in physical, chemical and biological quality. Solid waste disposal along the waterways and leachates from natural activities on materials at dumpsites and landfills was strongly identified and recognized as the source of pollutant inputs. The immediate and projected public health consequences in changes in inland waters were provided for resident aquatic organisms, some of which serves as food for resident human populations that are largely dependent on these water bodies for their daily water requirements.

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Review of Edible Plants in Dumpsites: Risks of Heavy Metals Toxicity and Implications for Public Health

Cited by 2 publications

References 0 publications

A comparison of selected heavy metals in soils mixed with domestic and industrial sludges and assessment of effects of the sludge pollutants on oxidative stress markers of the African kale (Brassica oleracea var acephala) grown using sewage sludge manure

A comparison of selected heavy metals in soils mixed with domestic and industrial sludges and assessment of effects of the sludge pollutants on oxidative stress markers of the African kale (Brassica oleracea var acephala) grown using sewage sludge manure

Municipal Solid Waste Management and the Inland Water Bodies: Nigerian Perspectives

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