Compost amendment in urban gardens: elemental and isotopic analysis of soils and vegetable tissues.
Environmental monitoring
Food safety
Heavy metals
ICP-MS
Multielement analysis
Pb isotope ratios
Soil remediation
Urban agriculture
Journal
Environmental science and pollution research international
ISSN: 1614-7499
Titre abrégé: Environ Sci Pollut Res Int
Pays: Germany
ID NLM: 9441769
Informations de publication
Date de publication:
10 Jul 2024
10 Jul 2024
Historique:
received:
26
03
2024
accepted:
01
07
2024
medline:
10
7
2024
pubmed:
10
7
2024
entrez:
10
7
2024
Statut:
aheadofprint
Résumé
Urban horticulture poses a sustainable form of food production, fosters community engagement and mitigates the impacts of climate change on cities. Yet, it can also be tied to health challenges related to soil contamination. This work builds on a previous study conducted on eleven urban gardens in the city of Vienna, Austria. Following the findings of elevated Pb levels in some soil and plant samples within that project, the present study investigates the elemental composition of soil and plants from two affected gardens 1 year after compost amendment. Inductively coupled plasma mass spectrometry (ICP-MS) analysis of skin, pulp and seeds of tomato fruits revealed minor variations in elemental composition which are unlikely to have an impact on food safety. In turn, a tendency of contaminant accumulation in root tips and leaves of radishes was found. Washing of lettuce led to a significant reduction in the contents of potentially toxic elements such as Be, Al, V, Ni, Ga and Tl, underscoring the significance of washing garden products before consumption. Furthermore, compost amendments led to promising results, with reduced Zn, Cd and Pb levels in radish bulbs. Pb isotope ratios in soil and spinach leaf samples taken in the previous study were assessed by multi-collector (MC-) ICP-MS to trace Pb uptake from soils into food. A direct linkage between the Pb isotopic signatures in soil and those in spinach leaves was observed, underscoring their effectiveness as tracers of Pb sources in the environment.
Identifiants
pubmed: 38985423
doi: 10.1007/s11356-024-34240-7
pii: 10.1007/s11356-024-34240-7
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : Austrian Science Fund
ID : P 33099-N
Organisme : Austrian Science Fund
ID : P30085
Organisme : Austrian Science Fund
ID : TCS 74
Informations de copyright
© 2024. The Author(s).
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