Abdu N, Abdulkadir A, Agbenin JO, Buerkert A. Vertical distribution of heavy metals in wastewater-irrigated vegetable garden soils of three West African cities. Nutr Cycl Agroecosyst. 2011;89(3):387–97.
Article
CAS
Google Scholar
Acosta JA, Faz Á, Kalbitz K, Jansen B, Martínez-Martínez S. Heavy metal concentrations in particle size fractions from street dust of Murcia (Spain) as the basis for risk assessment. J Environ Monit. 2011;13(11):3087–96.
Article
CAS
PubMed
Google Scholar
Agbenin JO, Danko M, Welp G. Soil and vegetable compositional relationships of eight potentially toxic elements in urban garden fields from northern Nigeria. J Sci Food Agric. 2009;89(1):49–54.
Article
CAS
Google Scholar
Akpa SI, Agbenin JO. Impact of cow dung manure on the solubility of copper, lead, and zinc in urban garden soils from Northern Nigeria. Commun Soil Sci Plant Anal. 2012;43(21):2789–800.
Article
CAS
Google Scholar
Alghamdi AG, El-Saeid MH, Alzahrani AJ, Ibrahim HM. Heavy metal pollution and associated health risk assessment of urban dust in Riyadh, Saudi Arabia. PLoS ONE. 2022;17(1): e0261957.
Article
CAS
PubMed
PubMed Central
Google Scholar
Amir S, Hafidi M, Lemee L, Merlina G, Guiresse M, Pinelli E, Revel JC, Bailly JR, Amblès A. Structural characterization of humic acids, extracted from sewage sludge during composting, by thermochemolysis–gas chromatography–mass spectrometry. Process Biochem. 2006;41(2):410–22.
Article
CAS
Google Scholar
Antisari LV, Orsini F, Marchetti L, et al. Heavy metal accumulation in vegetables grown in urban gardens. Agron Sustain Dev. 2015;35:1139–47. https://doi.org/10.1007/s13593-015-0308-z.
Article
CAS
Google Scholar
Arrobas M, Lopes H, Rodrigues MÂ. Urban agriculture in Bragança, Northeast Portugal: assessing the nutrient dynamic in the soil and plants, and their contamination with trace elements. Biol Agric Hortic. 2017;33(1):1–3.
Article
Google Scholar
Ashraf MA, Maah MJ, Yusoff I. Soil contamination, risk assessment and remediation. Environ Risk Assess Soil Contam. 2014;26(25):3–56.
Google Scholar
Ashrafzadeh S, Lehto NJ, Oddy G, McLaren RG, Kang L, Dickinson NM, Welsch J, Robinson BH. Heavy metals in suburban gardens and the implications of land-use change following a major earthquake. Appl Geochem. 2018;88:10–6.
Article
CAS
Google Scholar
Atafar Z, Mesdaghinia A, Nouri J, Homaee M, Yunesian M, Ahmadimoghaddam M, Mahvi AH. Effect of fertilizer application on soil heavy metal concentration. Environ Monit Assess. 2010;160(1):83–9.
Article
CAS
PubMed
Google Scholar
ATSDR Public Health Statement Zinc. CAS#7440-66-6. Agency for toxic substances and disease registry. 2015. https://www.atsdr.cdc.gov/ToxProfiles/tp60-c1-b.pdf. Accessed 20 June 2020.
Balasubramanian R, Qian WB. Characterization and source identification of airborne trace elements in Singapore. J Environ Monit. 2004;6(10):813–8.
Article
CAS
PubMed
Google Scholar
Balasubramanian R, Qian WB, Decesari S, Facchini MC, Fuzzi S. Comprehensive characterization of PM2. 5 aerosols in Singapore. J Geophys Res Atmos. 2003. https://doi.org/10.1029/2002JD002517.
Article
Google Scholar
Barbillon A, Aubry C, Nold F, Besancon S, Manouchehri N. Health risks assessment in three urban farms of Paris Region for different scenarios of urban agricultural users: a case of soil trace elements contamination. Agric Sci. 2019;10(3):352–70.
CAS
Google Scholar
Beavington F. Heavy metal contamination of vegetables and soil in domestic gardens around a smelting complex. Environ Pollut. 1975;9(3):211–7.
Article
CAS
Google Scholar
Bechet B, Joimel S, Jean-Soro L, Hursthouse A, Agboola A, Leitão TE, Costa H, do Rosário Cameira M, Le Guern C, Schwartz C, Lebeau T. Spatial variability of trace elements in allotment gardens of four European cities: assessments at city, garden, and plot scale. J Soils Sediments. 2018;18(2):391–406.
Article
CAS
Google Scholar
Beckie M, Bogdan E. Planting roots: urban agriculture for senior immigrants. J Agric Food Syst Community Dev. 2010;1(2):77–89.
Article
Google Scholar
Begum H. Gardening plots to increase twofold by 2030; NParks to give away seed packets to spur growing vegetables at home. The Straits Times. Accessed June 2022 from https://www.straitstimes.com/singapore/nparks-distributes-packets-of-seeds-to-encourage-public-to-grow-vegetables-at-home
Bhatia A, Singh S, Kumar A. Heavy metal contamination of soil, irrigation water and vegetables in peri-urban agricultural areas and markets of Delhi. Water Environ Res. 2015;87(11):2027–34.
Article
CAS
PubMed
Google Scholar
Bidar G, Pelfrêne A, Schwartz C, Waterlot C, Sahmer K, Marot F, Douay F. Urban kitchen gardens: effect of the soil contamination and parameters on the trace element accumulation in vegetables—a review. Sci Total Environ. 2020;738: 139569.
Article
CAS
PubMed
Google Scholar
Bielicka-Giełdoń A, Ryłko E, Żamojć K. Distribution, bioavailability and fractionation of elementlic elements in allotment garden soils using the BCR sequential extraction procedure. Pol J Environ Stud. 2013;22(4):1013–21.
Google Scholar
Boente C, García-González N, Rodríguez-Valdés E, Gallego JR. Trace elements of concern affecting urban agriculture in industrialized areas: a multivariate approach. Chemosphere. 2017;183:546–56.
Article
CAS
PubMed
Google Scholar
Bolan NS, Duraisamy VP. Role of inorganic and organic soil amendments on immobilisation and phytoavailability of heavy metals: a review involving specific case studies. Soil Res. 2003;41(3):533–55.
Article
CAS
Google Scholar
Briffa J, Sinagra E, Blundell R. Heavy metal pollution in the environment and their toxicological effects on humans. Heliyon. 2020;6(9): e04691.
Article
PubMed
PubMed Central
CAS
Google Scholar
Brown SL, Chaney RL, Hettiarachchi GM. Lead in urban soils: a real or perceived concern for urban agriculture? J Environ Qual. 2016;45(1):26–36. https://doi.org/10.2134/jeq2015.07.0376.
Article
CAS
PubMed
Google Scholar
Burghardt W, Schneider T. Bulk density and content, density and stock of carbon, nitrogen and heavy metals in vegetable patches and lawns of allotments gardens in the northwestern Ruhr area, Germany. J Soils Sediments. 2018;18(2):407–17.
Article
CAS
Google Scholar
Bvenura C, Afolayan AJ. Heavy metal contamination of vegetables cultivated in home gardens in the Eastern Cape. S Afr J Sci. 2012;108(9):1–6.
Google Scholar
Byrne AR, Ravnik V, Kosta L. Trace element concentrations in higher fungi. Sci Total Environ. 1976;6(1):65–78.
Article
CAS
PubMed
Google Scholar
Cabral M, Toure A, Garçon G, Diop C, Bouhsina S, Dewaele D, Cazier F, Courcot D, Tall-Dia A, Shirali P, Diouf A. Effects of environmental cadmium and lead exposure on adults neighboring a discharge: evidences of adverse health effects. Environ Pollution. 2015;206:247–55.
Article
CAS
Google Scholar
Cai M, McBride MB, Li K. Bioaccessibility of Ba, Cu, Pb, and Zn in urban garden and orchard soils. Environ Pollut. 2016;208:145–52.
Article
CAS
PubMed
Google Scholar
Carbonell G, de Imperial RM, Torrijos M, Delgado M, Rodriguez JA. Effects of municipal solid waste compost and mineral fertilizer amendments on soil properties and heavy metals distribution in maize plants (Zea mays L.). Chemosphere. 2011;85(10):1614–23.
Article
CAS
PubMed
Google Scholar
Carrasco G, Chen M, Boyle EA, Tanzil J, Zhou K, Goodkin NF. An update of the Pb isotope inventory in post leaded-petrol Singapore environments. Environ Pollut. 2018;233:925–32.
Article
CAS
PubMed
Google Scholar
Chandran R. Singapore makes room for allotment gardens as urban farming takes root. Reuters. Accessed June 2022 from https://www.reuters.com/article/us-singapore-landrights-food-idUSKCN1RR1D5
Chaney RL, Beyer WN, Gifford CH, Sileo L. Effects of zinc smelter emissions on farms and gardens at Palmerton. PA Trace Subst Environ Health. 1988;22:263–80.
Google Scholar
Chaney RL, Sterrett SB, Mielke HW. The potential for heavy metal exposure from urban gardens and soils. In: Preer JR, editor. Proc. symp. Heavy metals in urban gardens. Washington, DC: Columbia Extension Service; 1984. p. 37–84.
Chapman PM, Wang F, Janssen CR, Goulet RR, Kamunde CN. Conducting ecological risk assessments of inorganic elements and elementloids: current status. Hum Ecol Risk Assess. 2003;9(4):641–97.
Article
CAS
Google Scholar
Charzyński P, Bednarek R, Hudańska P, Świtoniak M. Issues related to classification of garden soils from the urban area of Toruń, Poland. Soil Sci Plant Nutr. 2018;64(2):132–7.
Article
Google Scholar
Chen M, Ma LQ. Comparison of four USEPA digestion methods for trace element analysis using certified and Florida soils. Madison: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America; 1998.
Google Scholar
Chen M, Ma LQ. Comparison of three aqua regia digestion methods for twenty Florida soils. Soil Sci Soc A J. 2001;65(2):491–9.
Article
CAS
Google Scholar
Chen W, Tan SK, Tay JH. Effects of heavy metals from urban runoff on the receiving water sediments. WIT Trans Ecol Environ. 1970;13:415–22.
Google Scholar
Chen W, Tan SK, Tay JH. Distribution, fractional composition and release of sediment-bound heavy metals in tropical reservoirs. Water Soil Air Pollut. 1996;92(3):273–87.
Article
CAS
Google Scholar
Chen T, Liu X, Zhu M, Zhao K, Wu J, Xu J, Huang P. Identification of trace element sources and associated risk assessment in vegetable soils of the urban–rural transitional area of Hangzhou, China. Environ Pollut. 2008;151(1):67–78.
Article
CAS
PubMed
Google Scholar
Chen X, Xia X, Zhao Y, Zhang P. Heavy metal concentrations in roadside soils and correlation with urban traffic in Beijing, China. J Hazard Mater. 2010;181(1–3):640–6.
Article
CAS
PubMed
Google Scholar
Chen M, Boyle EA, Switzer AD, Gouramanis C. A century long sedimentary record of anthropogenic lead (Pb), Pb isotopes and other trace elements in Singapore. Environ Pollut. 2016;213:446–59.
Article
CAS
PubMed
Google Scholar
Chen X, Singh A, Kitts DD. In-vitro bioaccessibility and bioavailability of heavy metals in mineral clay complex used in natural health products. Sci Rep. 2020;10(1):1.
CAS
Google Scholar
Chen F. A study of heavy metal distribution in Singapore. Master thesis. Singapore: Nanyang Technological University; 1999. p. 106.
Cheng Z, Paltseva A, Li I, Morin T, Huot H, Egendorf S, Su Z, Yolanda R, Singh K, Lee L, Grinshtein M. Trace element contamination in New York City garden soils. Soil Sci. 2015;180(4/5):167–74.
Article
CAS
Google Scholar
Chester R, Stoner JH. Pb in particulates from the lower atmosphere of the eastern Atlantic. Nature. 1973;245(5419):27–8.
Article
CAS
Google Scholar
Clark HF, Brabander DJ, Erdil RM. Sources, sinks, and exposure pathways of lead in urban garden soil. J Environ Qual. 2006;35(6):2066–74. https://doi.org/10.2134/jeq2005.0464.
Article
CAS
PubMed
Google Scholar
Clark HF, Hausladen DM, Brabander DJ. Urban gardens: lead exposure, recontamination mechanisms, and implications for remediation design. Environ Res. 2008;107(3):312–9. https://doi.org/10.1016/j.envres.2008.03.003 (Epub 2008 May 5).
Article
CAS
PubMed
Google Scholar
Clarke LW, Jenerette GD, Bain DJ. Urban legacies and soil management affect the concentration and speciation of trace elements in Los Angeles community garden soils. Environ Pollut. 2015;197:1–2.
Article
CAS
PubMed
Google Scholar
Cooper AM, Felix D, Alcantara F, Zaslavsky I, Work A, Watson PL, Pezzoli K, Yu Q, Zhu D, Scavo AJ, Zarabi Y. Monitoring and mitigation of toxic heavy metals and arsenic accumulation in food crops: a case study of an urban community garden. Plant Direct. 2020;4(1):e00198.
Article
CAS
PubMed
PubMed Central
Google Scholar
Crispo M, Dobson MC, Blevins RS, Meredith W, Lake JA, Edmondson JL. Heavy metals and elementloids concentrations across UK urban horticultural soils and the factors influencing their bioavailability to food crops. Environ Pollut. 2021;288:117960.
Article
CAS
PubMed
Google Scholar
Cruz N, Rodrigues SM, Coelho C, Carvalho L,Duarte AC, Pereira E, Römkens PFAM. Urban agriculture in Portugal: Availability of potentially toxic elements for plant uptake. Appl Geochem. 2014;4:4427-37. https://doi.org/10.1016/j.apgeochem.2013.07.003.
Article
CAS
Google Scholar
Culbard EB, Thornton I, Watt J, Wheatley M, Moorcroft S, Thompson M. Element contamination in British urban dusts and soils. J Environ Qual. 1988;17(2):226–34.
Article
CAS
Google Scholar
Cuong DT, Bayen S, Wurl O, Subramanian K, Wong KK, Sivasothi N, Obbard JP. Heavy metal contamination in mangrove habitats of Singapore. Mar Poll Bull. 2005;50(12):1732–8.
Article
CAS
Google Scholar
Cuong DT, Karuppiah S, Obbard JP. Distribution of heavy metals in the dissolved and suspended phase of the sea-surface microlayer, seawater column and in sediments of Singapore’s coastal environment. Environ Monit Assess. 2008;138(1):255–72.
Article
CAS
PubMed
Google Scholar
Dala-Paula BM, Custódio FB, Knupp EA, Palmieri HE, Silva JB, Glória MB. Cadmium, copper and lead levels in different cultivars of lettuce and soil from urban agriculture. Environ Pollut. 2018;242:383–9.
Article
CAS
PubMed
Google Scholar
Dalenberg JW, Van Driel W. Contribution of atmospheric deposition to heavy-element concentrations in field crops. Neth J Agric Sci. 1990;38(3A):369–79.
CAS
Google Scholar
Davies BE. Plant-available lead and other elements in British garden soils. Sci Total Environ. 1978;9(3):243–62.
Article
CAS
Google Scholar
De Bon H, Parrot L, Moustier P. Sustainable urban agriculture in developing countries. A review. Agron Sustain Dev. 2010;30(1):21–32.
Article
Google Scholar
De Miguel E, De Grado MJ, Llamas JF, Martın-Dorado A, Mazadiego LF. The overlooked contribution of compost application to the trace element load in the urban soil of Madrid (Spain). Sci Total Environ. 1998;215(1–2):113–22.
Article
Google Scholar
De Vries W, Lofts S, Tipping E, Meili M, Groenenberg JE, Schütze G. Impact of soil properties on critical concentrations of cadmium, lead, copper, zinc, and mercury in soil and soil solution in view of ecotoxicological effects. In: Reviews of environmental contamination and toxicology. Berlin: Springer; 2007. p. 47–89.
Chapter
Google Scholar
Degryse F, Smolders E, Parker DR. Element complexes increase uptake of Zn and Cu by plants: implications for uptake and deficiency studies in chelator-buffered solutions. Plant Soil. 2006;289(1):171–85.
Article
CAS
Google Scholar
Díaz Rizo O, Lima Cazorla L, García Céspedes D, D’Alessandro Rodríguez K, Torres Leyva O, Olivares Rieumont S, Blanco López YT. Assessment of heavy metal content in urban agricultural soils from the surrounding of steel-smelter plant using X-ray fluorescence. Nucleus. 2015;57:38–43.
Google Scholar
Douay F, Pelfrêne A, Planque J, Fourrier H, Richard A, Roussel H, Girondelot B. Assessment of potential health risk for inhabitants living near a former lead smelter. Part 1: element concentrations in soils, agricultural crops, and homegrown vegetables. Environ Monit Assess. 2013;185(5):3665–80.
Article
CAS
PubMed
Google Scholar
Edmondson JL, Cunningham H, Densley Tingley DO, Dobson MC, Grafius DR, Leake JR, McHugh N, Nickles J, Phoenix GK, Ryan AJ, Stovin V. The hidden potential of urban horticulture. Nature food. 2020;1(3):155–9.
Article
Google Scholar
Egendorf SP, Cheng Z, Deeb M, Flores V, Paltseva A, Walsh D, Groffman P, Mielke HW. Constructed soils for mitigating lead (Pb) exposure and promoting urban community gardening: the New York City Clean Soil Bank pilot study. Landsc Urban Plan. 2018;175:184–94.
Article
Google Scholar
Egwu GN, Agbenin JO. Field assessment of cadmium, lead and zinc contamination of soils and leaf vegetables under urban and peri-urban agriculture in northern Nigeria. Arch Agron Soil Sci. 2013;59(6):875–87.
Article
CAS
Google Scholar
EPA. Framework for elements risk assessment. Document 120/R-07/001. Washington: Environmental Protection Agency; 2007. p. 1–172.
Google Scholar
Fang SB, Hu H, Sun WC, Pan JJ. Spatial variations of heavy metals in the soils of vegetable-growing land along urban-rural gradient of Nanjing, China. Int J Environ Res Public Health. 2011;8(6):1805–16.
Article
CAS
PubMed
PubMed Central
Google Scholar
Ferri R, Hashim D, Smith DR, Guazzetti S, Donna F, Ferretti E, Curatolo M, Moneta C, Beone GM, Lucchini RG. Element contamination of home garden soils and cultivated vegetables in the province of Brescia, Italy: implications for human exposure. Sci Total Environ. 2015;518:507–17.
Article
PubMed
CAS
Google Scholar
Finster ME, Gray KA, Binns HJ. Lead levels of edibles grown in contaminated residential soils: a field survey. Sci Total Environ. 2004;320(2–3):245–57.
Article
CAS
PubMed
Google Scholar
Fleming GA, Parle PJ. Heavy metals in soils, herbage and vegetables from an industrialised area west of Dublin city. Ir J Agric Res. 1977;16:35–48.
CAS
Google Scholar
Folens K, Van Labeke MC, Du Laing G. Impact of an urban environment on trace element concentrations in domestically produced lettuce (Lactuca sativa L.). Water Air Soil Pollut. 2017;228(12):1–2.
Article
CAS
Google Scholar
Gautam PK, Gautam RK, Banerjee S, Chattopadhyaya MC, Pandey JD. Heavy metals in the environment: fate, transport, toxicity and remediation technologies. Nova Sci Publ. 2016;60:101–30.
Google Scholar
Gaw LY, Richards DR. Development of spontaneous vegetation on reclaimed land in Singapore measured by NDVI. PLoS ONE. 2021;16(1): e0245220.
Article
CAS
PubMed
PubMed Central
Google Scholar
Gaw LY, Yee AT, Richards DR. A high-resolution map of Singapore’s terrestrial ecosystems. Data. 2019;4:116.
Article
Google Scholar
Goh TA. Heavy metal contamination of urban community gardens in Singapore. ScholarBank@NUS Repository. 2018. Available at https://scholarbank.nus.edu.sg/handle/10635/144159.
Goh BP, Chou LM. Heavy metal levels in marine sediments of Singapore. Environ Monit Assess. 1997;44(1):67–80.
Article
CAS
Google Scholar
Gorospe J. Growing greens and soiled soil: trends in heavy metal contamination in vegetable gardens of San Francisco. Master’s Theses. 2012;4131. https://doi.org/10.31979/etd.emgr-wkv4.
Guo R. Urban redevelopment: from urban squalor to global city. Centre for liveable cities, Singapore; 2016. https://www.clc.gov.sg/docs/default-source/urban-systems-studies/uss-urbanredevelopment.pdf.
Hall J, Shargo I, Khanjar N, Howard J, Schmidt L, Deng A, Edwards C, Berman I, Galarraga J, Wilson S. Proximity of urban farms to hazards with and without heavy metal contamination in Baltimore, Maryland. Environ Justice. 2021;14(1):56–69.
Article
Google Scholar
Hamilton AJ, Burry K, Mok HF, Barker SF, Grove JR, Williamson VG. Give peas a chance? Urban agriculture in developing countries. A review. Agron Sustain Dev. 2014;34(1):45–73.
Article
CAS
Google Scholar
Han X, Lu X, Wu Y. Health risks and contamination levels of heavy metals in dusts from parks and squares of an industrial city in semi-arid area of China. Int J Environ Res Public Health. 2017;14(8):886.
Article
PubMed Central
CAS
Google Scholar
Hao X-Z, Zhou D-M, Huang D-Q, Cang L, Zhang H-L, Wang H. Heavy metal transfer from soil to vegetable in southern Jiangsu Province, China. Pedosphere. 2009;19(3):305–11.
Article
CAS
Google Scholar
Harvey PJ, Rouillon M, Dong C, Ettler V, Handley HK, Taylor MP, Tyson E, Tennant P, Telfer V, Trinh R. Geochemical sources, forms and phases of soil contamination in an industrial city. Sci Total Environ. 2017;584:505–14.
Article
PubMed
CAS
Google Scholar
He B, Yun Z, Shi J, Jiang G. Research progress of heavy metal pollution in China: sources, analytical methods, status, and toxicity. Chin Sci Bull. 2013;58(2):134–40.
Article
CAS
Google Scholar
Heidary-Monfared S. Community garden heavy metal contamination study. Environment Canada, Ecology Action Centre; 2011. p. 4–20.
Henderson JC. Urban parks and green spaces in Singapore. Manag Leis. 2013;18(3):213–25.
Google Scholar
Holt MS. Sources of chemical contaminants and routes into the freshwater environment. Food Chem Toxicol. 2000;38:S21–7.
Article
CAS
PubMed
Google Scholar
Hou J. Urban community gardens as multimodal social spaces. In: Greening cities 2017. Singapore: Springer; 2017. p. 113–30.
Chapter
Google Scholar
Hough RL. Soil and human health: an epidemiological review. Eur J Soil Sci. 2007;58(5):1200–12.
Article
Google Scholar
Hu GP, Balasubramanian R. Wet deposition of trace elements in Singapore. Water Air Soil Pollut. 2003;144(1):285–300.
Article
CAS
Google Scholar
Hu W, Wang H, Dong L, Huang B, Borggaard OK, Hansen HC, He Y, Holm PE. Source identification of heavy metals in peri-urban agricultural soils of southeast China: an integrated approach. Environ Pollut. 2018;237:650–61.
Article
CAS
PubMed
Google Scholar
Huang B, Shi X, Yu D, Öborn I, Blombäck K, Pagella TF, Wang H, Sun W, Sinclair FL. Environmental assessment of small-scale vegetable farming systems in peri-urban areas of the Yangtze River Delta Region, China. Agric Ecosyst Environ. 2006;112(4):391–402.
Article
Google Scholar
Huang B, Li Z, Huang J, Guo L, Nie X, Wang Y, Zhang Y, Zeng G. Adsorption characteristics of Cu and Zn onto various size fractions of aggregates from red paddy soil. J Hazard Mater. 2014;264:176–83.
Article
CAS
PubMed
Google Scholar
Hursthouse A, Tognarelli D, Tucker P, Marsan FA, Martini C, Madrid L, Madrid F, Diaz-Barrientos E. Element content of surface soils in parks and allotments from three European cities: initial pilot study results. Land Contam Reclam. 2004;12(3):189–96.
Article
Google Scholar
Imperato M, Adamo P, Naimo D, Arienzo M, Stanzione D, Violante P. Spatial distribution of heavy metals in urban soils of Naples city (Italy). Environ Pollut. 2003;124(2):247–56.
Article
CAS
PubMed
Google Scholar
Intawongse M, Dean JR. Use of the physiologically-based extraction test to assess the oral bioaccessibility of elements in vegetable plants grown in contaminated soil. Environ Pollut. 2008;152:60–72.
Article
CAS
PubMed
Google Scholar
Izquierdo M, De Miguel E, Ortega MF, Mingot J. Bioaccessibility of elements and human health risk assessment in community urban gardens. Chemosphere. 2015;135:312–8.
Article
CAS
PubMed
Google Scholar
Jaishankar M, Tseten T, Anbalagan N, Mathew BB, Beeregowda KN. Toxicity, mechanism and health effects of some heavy metals. Interdiscip Toxicol. 2014;7(2):60.
Article
PubMed
PubMed Central
CAS
Google Scholar
Jamali MK, Kazi TG, Arain MB, Afridi HI, Jalbani N, Memon AR. Heavy metal contents of vegetables grown in soil, irrigated with mixtures of wastewater and sewage sludge in Pakistan, using ultrasonic-assisted pseudo-digestion. J Agron Crop Sci. 2007;193(3):218–28.
Article
CAS
Google Scholar
Janssen CR, Heijerick DG, De Schamphelaere KA, Allen HE. Environmental risk assessment of elements: tools for incorporating bioavailability. Environ Int. 2003;28(8):793–800.
Article
CAS
PubMed
Google Scholar
Jean-Soro L, Le Guern C, Bechet B, Lebeau T, Ringeard MF. Origin of trace elements in an urban garden in Nantes, France. J Soils Sediments. 2015;15(8):1802–12.
Article
CAS
Google Scholar
Jien S-H, Tsai, C-C, Hseu Z-Y, Chen Z-S. Baseline concentrations of toxic elements in metropolitan park soils of Taiwan. Terr Aquatic Environ Toxicol. 2011;5:1–7.
Jones GB, Belling GB. The movement of copper, molybdenum, and selenium in soils as indicated by radioactive isotopes. Aust J Agric Res. 1967;18(5):733–40.
Article
CAS
Google Scholar
Joshi UM, Balasubramanian R. Characteristics and environmental mobility of trace elements in urban runoff. Chemosphere. 2010;80(3):310–8.
Article
CAS
PubMed
Google Scholar
Joshi UM, Vijayaraghavan K, Balasubramanian R. Elemental composition of urban street dusts and their dissolution characteristics in various aqueous media. Chemosphere. 2009;77(4):526–33.
Article
CAS
PubMed
Google Scholar
Kabala C, Chodak T, Szerszen L, Karczewska A, Szopka K, Fratczak U. Factors influencing the concentration of heavy metals in soils of allotment gardens in the city of Wroclaw, Poland. Fresenius Environ Bull. 2009;18(7):1118–24.
CAS
Google Scholar
Kabata-Pendias, A. Behavioural properties of trace metals in soils. Appl Geochem 1993;8(2):83–9. https://doi.org/10.1016/S0883-2927(09)80002-4.
Article
Google Scholar
Kabata-Pendias A. Trace elements in soils and plants. Boca Raton: CRC Press; 2011.
Google Scholar
Kachenko AG, Singh B. Heavy metals contamination in vegetables grown in urban and element smelter contaminated sites in Australia. Water Air Soil Pollut. 2006;169(1):101–23.
Article
CAS
Google Scholar
Kahle P. Schwermetallstatus Rostocker Gartenböden. J Plant Nutr Soil Sci. 2000;163(2):191–6.
Article
CAS
Google Scholar
Kaiser ML, Williams ML, Basta N, Hand M, Huber S. When vacant lots become urban gardens: characterizing the perceived and actual food safety concerns of urban agriculture in Ohio. J Food Prot. 2015;78(11):2070–80.
Article
CAS
PubMed
Google Scholar
Kalantari F, Tahir OM, Joni RA, Fatemi E. Opportunities and challenges in sustainability of vertical farming: a review. J Landsc Ecol. 2018;11(1):35–60.
Article
Google Scholar
Kandic S, Tepe SJ, Blanch EW, De Silva S, Mikkonen HG, Reichman SM. Quantifying factors related to urban element contamination in vegetable garden soils of the west and north of Melbourne, Australia. Environ Pollut. 2019;251:193–202.
Article
CAS
PubMed
Google Scholar
Kargar M, Jutras P, Clark OG, Hendershot WH, Prasher SO. Trace element contamination influenced by land use, soil age, and organic matter in Montreal tree pit soil. J Environ Qual. 2013;42(5):1527–33.
Article
CAS
PubMed
Google Scholar
Kelly J, Thornton I, Simpson PR. Urban geochemistry: a study of the influence of anthropogenic activity on the heavy metal content of soils in traditionally industrial and non-industrial areas of Britain. Appl Geochem. 1996;11(1–2):363–70.
Article
CAS
Google Scholar
Kessler R. Urban gardening: managing the risks of contaminated soil. Environ Health Perspect. 2013;121(11–12):A326–33. https://doi.org/10.1289/ehp.121-A326.
Article
PubMed
PubMed Central
Google Scholar
Kessler R. Lead-based decorative paints: where are they still sold-and why? Environ Health Perspect. 2014;122(4):A96–103. https://doi.org/10.1289/ehp.122-A96.
Article
PubMed
PubMed Central
Google Scholar
Kessler K, Umbenhauer S, Noble AR. A survey of the heavy metals present in the soil of a potential urban garden: a service learning approach. J Pa Acad Sci. 2013;87(3):129–33.
CAS
Google Scholar
Kessler B. The dark side of urban gardening. CNY homepage; 2011 (updated in 2014). https://www.cnyhomepage.com/news/the-dark-side-of-urban-gardening/.
Khan S, Cao Q, Zheng YM, Huang YZ, Zhu YG. Health risks of heavy metals in contaminated soils and food crops irrigated with wastewater in Beijing, China. Environ Pollut. 2008;152(3):686–92.
Article
CAS
PubMed
Google Scholar
Kibassa D, Kimaro AA, Shemdoe RS. Heavy metal concentrations in selected areas used for urban agriculture in Dar es Salaam, Tanzania. Sci Res Essays. 2013;8(27):1296–303.
CAS
Google Scholar
Kim BF, Poulsen MN, Margulies JD, Dix KL, Palmer AM, Nachman KE. Urban community gardeners’ knowledge and perceptions of soil contaminant risks. PLoS ONE. 2014;9(2): e87913.
Article
PubMed
PubMed Central
CAS
Google Scholar
Kim HS, Kim KR, Lim GH, Kim JW, Kim KH. Influence of airborne dust on the element concentrations in crop plants cultivated in a rooftop garden in Seoul. Soil Sci Plant Nutr. 2015a;61(sup1):88–97.
Article
CAS
Google Scholar
Kim RY, Yoon JK, Kim TS, Yang JE, Owens G, Kim KR. Bioavailability of heavy metals in soils: definitions and practical implementation—a critical review. Environ Geochem Health. 2015b;37(6):1041–61.
Article
CAS
PubMed
Google Scholar
Kim HS, Kim KR, Kim WI, Owens G, Kim KH. Influence of road proximity on the concentrations of heavy metals in Korean urban agricultural soils and crops. Arch Environ Contam Toxicol. 2017;72(2):260–8.
Article
CAS
PubMed
Google Scholar
Kog YC. Rehabilitation of abandoned non-hazardous tailings ponds. Environ Geotech. 2015;4(1):27–39.
Article
Google Scholar
Komai Y, Yamamoto K. Heavy metal contamination in urban soils III element status of soil-plant systems in parks and Arable Lands in Sakai, Osaka. Bull Univ Osaka Prefect Ser B Agric Biol. 1982;34:47–56.
CAS
Google Scholar
Komárek M, Ettler V, Chrastný V, Mihaljevic M. Lead isotopes in environmental sciences: a review. Environ Int. 2008;34(4):562–77.
Article
PubMed
CAS
Google Scholar
Kootbodien T, Mathee A, Naicker N, Moodley N. Heavy metal contamination in a school vegetable garden in Johannesburg. S Afr Med J. 2012;102(4):226–7.
CAS
PubMed
Google Scholar
Laidlaw MA, Alankarage DH, Reichman SM, Taylor MP, Ball AS. Assessment of soil element concentrations in residential and community vegetable gardens in Melbourne, Australia. Chemosphere. 2018;199:303–11.
Article
CAS
PubMed
Google Scholar
Langemeyer J, Madrid-Lopez C, Beltran AM, Mendez GV. Urban agriculture—a necessary pathway towards urban resilience and global sustainability? Landsc Urban Plan. 2021;210: 104055.
Article
Google Scholar
Lee JM, Boyle EA, Nurhati IS, Pfeiffer M, Meltzner AJ, Suwargadi B. Coral-based history of lead and lead isotopes of the surface Indian Ocean since the mid-20th century. Earth Planet Sci Lett. 2014;398:37–47.
Article
CAS
Google Scholar
Lee PK, Lim J, Jeong YJ, Hwang S, Lee JY, Choi BY. Recent pollution and source identification of element (loid) s in a sediment core from Gunsan Reservoir, South Korea. J Hazard Mater. 2021;416: 126204.
Article
CAS
PubMed
Google Scholar
Leitão TE, Cameira MR, Costa HD, Pacheco JM, Henriques MJ, Martins LL, Mourato MP. Environmental quality in urban allotment gardens: atmospheric deposition, soil, water and vegetable assessment at Lisbon city. Water Air Soil Pollut. 2018;229(2):1–22.
Article
CAS
Google Scholar
Leitgeb E, Ghosh S, Dobbs M, Englisch M, Michel K. Distribution of nutrients and trace elements in forest soils of Singapore. Chemosphere. 2019;222:62–70.
Article
CAS
PubMed
Google Scholar
Li X, Poon C-S, Liu PS. Heavy metal contamination of urban soils and street dusts in Hong Kong. Appl Geochem 2001;16(11-12):1361–1368. https://doi.org/10.1016/S0883-2927(01)00045-2.
Article
CAS
Google Scholar
Li Q, Wang Y, Li Y, Li L, Tang M, Hu W, Chen L, Ai S. Speciation of heavy metals in soils and their immobilization at micro-scale interfaces among diverse soil components. Sci Total Environ. 2022;15:153862.
Article
CAS
Google Scholar
Lim HS, Segovia E, Ziegler AD. Water quality impacts of young green roofs in a tropical city: a case study from Singapore. Blue-Green Syst. 2021;3(1):145–63.
Article
Google Scholar
Link DD, Walter PJ, Kingston HM. Development and validation of the new EPA microwave-assisted leach method 3051A. Environ Sci Technol. 1998;32(22):3628–32.
Article
CAS
Google Scholar
Liu P, Zhao HJ, Wang LL, Liu ZH, Wei JL, Wang YQ, Jiang LH, Liang DO, Zhang YF. Analysis of heavy metal sources for vegetable soils from Shandong Province, China. Agric Sci China. 2011;10(1):109–19.
Article
CAS
Google Scholar
Loneragan JF, Webb MJ. Interactions between zinc and other nutrients affecting the growth of plants. In: Zinc in soils and plants. Springer: Dordrecht; 1993. p. 119–34.
Chapter
Google Scholar
Long AJ. Trace element soil contamination at urban community gardens in Washington, DC. Environmental analysis program mellon student summer research reports. Paper 5. 2010. http://scholarship.claremont.edu/eap_ea_mellonreports/5.
López R, Hallat J, Castro A, Miras A, Burgos P. Heavy metal pollution in soils and urban-grown organic vegetables in the province of Sevilla, Spain. Biol Agric Hortic. 2019;35(4):219–37.
Article
Google Scholar
Luo C, Liu C, Wang Y, Liu X, Li F, Zhang G, Li X. Heavy metal contamination in soils and vegetables near an e-waste processing site, south China. J Hazard Mater. 2011;186(1):481–90.
Article
CAS
PubMed
Google Scholar
Lupolt SN, Santo RE, Kim BF, Green C, Codling E, Rule AM, Chen R, Scheckel KG, Strauss M, Cocke A, Little NG. The safe urban harvests study: a community-driven cross-sectional assessment of elements in soil, irrigation water, and produce from urban farms and gardens in Baltimore, Maryland. Environ Health Perspect. 2021;129(11): 117004.
Article
CAS
PubMed
PubMed Central
Google Scholar
Mackey EA, Christopher SJ, Lindstrom RM, Long SE, Marlow AF, Murphy KE, Paul RL, Popelka-Filcoff RS, Rabb SA, Sieber JR, Spatz RO. Certification of three NIST renewal soil standard reference materials for element content: SRM 2709a San Joaquin Soil, SRM 2710a Montana Soil I, and SRM 2711a Montana Soil II. NIST Spec Publ. 2010;260(172):1–39.
Google Scholar
Mancebo F. Confronting the dark side of urban agriculture. 2016. https://www.thenatureofcities.com/2016/04/08/confronting-the-dark-side-of-urban-agriculture/.
Mansfield B, Mendes W. Municipal food strategies and integrated approaches to urban agriculture: exploring three cases from the global north. Intern Plan Stud. 2013;18(1):37–60.
Article
Google Scholar
Mapanda F, Mangwayana EN, Nyamangara J, Giller KE. The effect of long-term irrigation using wastewater on heavy metal contents of soils under vegetables in Harare, Zimbabwe. Agric Ecosyst Environ. 2005;107(2–3):151–65.
Article
CAS
Google Scholar
Martin-Moreau M, Ménascé D. Urban agriculture: another way to feed cities. Field actions science reports. 2019; Special Issue 20. https://journals.openedition.org/factsreports/5536. Accessed June 2021.
Marx SK, McGowan HA. Long-distance transport of urban and industrial elements and their incorporation into the environment: sources, transport pathways and historical trends. In: Zereini F, Wiseman C, editors. Urban airborne particulate matter environmental science and engineering. Berlin: Springer; 2010. p. 103–24. https://doi.org/10.1007/978-3-642-12278-1_6.
Chapter
Google Scholar
McBride M. Environmental chemistry of soils. New York: Oxford University Press; 1994.
Google Scholar
McBride MB, Shayler HA, Spliethoff HM, Mitchell RG, Marquez-Bravo LG, Ferenz GS, Russell-Anelli JM, Casey L, Bachman S. Concentrations of lead, cadmium and barium in urban garden-grown vegetables: the impact of soil variables. Environ Pollut. 2014;194:254–61.
Article
CAS
PubMed
PubMed Central
Google Scholar
McClintock N, Miewald C, McCann E. The politics of urban agriculture: sustainability, governance, and contestation. In: The Routledge handbook on spaces of urban politics. Abingdon: Routledge; 2018. p. 361–74.
Chapter
Google Scholar
McIvor K, Cogger C, Brown S. Effects of biosolids based soil products on soil physical and chemical properties in urban gardens. Compost Sci Util. 2012;20(4):199–206.
Article
CAS
Google Scholar
McLaughlin MJ, Zarcinas BA, Stevens DP, Cook N. Soil testing for heavy metals. Commun Soil Sci Plant Anal. 2000;31(11–14):1661–700.
Article
CAS
Google Scholar
Mielke HW, Anderson JC, Berry KJ, Mielke PW, Chaney RL, Leech M. Lead concentrations in inner-city soils as a factor in the child lead problem. Am J Public Health. 1983;73(12):1366–9.
Article
CAS
PubMed
PubMed Central
Google Scholar
Mihali C, Michnea A, Oprea G, Gogoasa I, Pop C, Senila M, Grigor L. Trace element transfer from soil to vegetables around the lead smelter in Baia Mare, NW Romania. J Food Agric Environ. 2012;10(1):828–34.
CAS
Google Scholar
Mikula W, Indeka L. Heavy metals in allotment gardens close to an oil refinery in Plock. Water Air Soil Pollut. 1997;96(1):61–71.
Article
CAS
Google Scholar
Mills JG, Zwarich MA. Heavy metal content of agricultural soils in Manitoba. Can J Soil Sci. 1975;55(3):295–300.
Article
CAS
Google Scholar
Mitchell RG, Spliethoff HM, Ribaudo LN, Lopp DM, Shayler HA, Marquez-Bravo LG, Lambert VT, Ferenz GS, Russell-Anelli JM, Stone EB, McBride MB. Lead (Pb) and other elements in New York City community garden soils: factors influencing contaminant distributions. Environ Pollut. 2014;187:162–9. https://doi.org/10.1016/j.envpol.2014.01.007.
Article
CAS
PubMed
PubMed Central
Google Scholar
Mitra S, Chakraborty AJ, Tareq AM, Emran TB, Nainu F, Khusro A, Idris AM, Khandaker MU, Osman H, Alhumaydhi FA, Simal-Gandara J. Impact of heavy metals on the environment and human health: novel therapeutic insights to counter the toxicity. J King Saud Univ Sci. 2022;29:101865.
Article
Google Scholar
Moller KM, Hartwell JG, Simon-Friedt BR, Wilson MJ, Wickliffe JK. Soil contaminant concentrations at urban agricultural sites in New Orleans, Louisiana. J Agric Food Syst Community Dev. 2018;8(2):139–49.
Google Scholar
Monachese M, Burton JP, Reid G. Bioremediation and tolerance of humans to heavy metals through microbial processes: a potential role for probiotics? Appl Environ Microbiol. 2012;78(18):6397–404.
Article
CAS
PubMed
PubMed Central
Google Scholar
Montaño-López F, Biswas A. Are heavy metals in urban garden soils linked to vulnerable populations? A case study from Guelph, Canada. Sci Rep. 2021;11:11286. https://doi.org/10.1038/s41598-021-90368-3.
Article
CAS
PubMed
PubMed Central
Google Scholar
Morton-Bermea O, Hernández-Álvarez E, González-Hernández G, Romero F, Lozano R, Beramendi-Orosco LE. Assessment of heavy metal pollution in urban topsoils from the metropolitan area of Mexico City. J Geochem Explor. 2009;101(3):218–24.
Article
CAS
Google Scholar
Mortvedt JJ. Heavy metal contaminants in inorganic and organic fertilizers. In: Fertilizers and environment. Dordrecht: Springer; 1996. p. 5–11.
Chapter
Google Scholar
Müller A, Österlund H, Marsalek J, Viklander M. The pollution conveyed by urban runoff: a review of sources. Sci Total Environ. 2020;709: 136125.
Article
PubMed
CAS
Google Scholar
Murray H, Pinchin TA, Macfie SM. Compost application affects element uptake in plants grown in urban garden soils and potential human health risk. J Soils Sediments. 2011;11(5):815–29.
Article
CAS
Google Scholar
Nabulo G, Black CR, Craigon J, Young SD. Does consumption of leafy vegetables grown in peri-urban agriculture pose a risk to human health? Environ Pollut. 2012;162:389–98.
Article
CAS
PubMed
Google Scholar
Navarrete IA, Gabiana CC, Dumo JR, Salmo SG, Guzman MA, Valera NS, Espiritu EQ. Heavy metal concentrations in soils and vegetation in urban areas of Quezon City, Philippines. Environ Monit Assess. 2017;189(4):1–5.
Article
CAS
Google Scholar
Nayar S, Goh BP, Chou LM. Environmental impact of heavy metals from dredged and resuspended sediments on phytoplankton and bacteria assessed in in situ mesocosms. Ecotoxicol Environ Saf. 2004;59(3):349–69.
Article
CAS
PubMed
Google Scholar
Nelson M. A study of urban vegetable garden and their soils in Corvallis and Portland, OR. MSc Thesis, Oregon State University, Corvallis; 2018.
Ng OH, Tan BC, Obbard JP. Lichens as bioindicators of atmospheric heavy metal pollution in Singapore. Environ Monit Assess. 2006;123(1):63–74.
Article
CAS
PubMed
Google Scholar
Nguyen TLH, Ohtsubo M, Li L, Higashi T, Kanayama M. Heavy-element contamination of soil and vegetables in wastewater-irrigated agricultural soil in a suburban area of Hanoi, Vietnam. Commun Soil Sci Plant Anal. 2010;41(4):390–407.
Article
CAS
Google Scholar
Nguyen CT, Wasson RJ, Ziegler AD. The hydro-geomorphic status of the Nee Soon freshwater swamp forest catchment of Singapore. Gard Bull Singap. 2018;70(Suppl 1):33–48.
Article
Google Scholar
Nguyen CT, Wasson RJ, Estrada ES, Cantarero SI, Teo C, Ziegler AD. Soil elemental analysis in a high conservation tropical forest in Singapore. J Environ Manag. 2019;232:999–1011.
Article
CAS
Google Scholar
Nguyen CT, Kim DE, Liu J, Cai Y, Liong SY. Elemental concentration in a potentially protected forest catchment in Singapore. Limnology. 2020;21(3):453–63.
Article
CAS
Google Scholar
Nriagu JO. Global inventory of natural and anthropogenic emissions of trace elements to the atmosphere. Nature. 1979;279(5712):409–11.
Article
CAS
PubMed
Google Scholar
Oguntade OA, Adegbuyi AA, Nassir AL, Olagunju SO, Salami WA, Adewale RO. Geoassessment of heavy metals in rural and urban floodplain soils: health implications for consumers of Celosia argentea and Corchorus olitorius vegetables in Sagamu, Nigeria. Environ Monit Assess. 2020;192(3):164. https://doi.org/10.1007/s10661-020-8077-9.
Article
CAS
PubMed
Google Scholar
Ok YS, Lee SS, Jeon WT, Oh SE, Usman AR, Moon DH. Application of eggshell waste for the immobilization of cadmium and lead in a contaminated soil. Eviron Geochem Health. 2011;33(1):31–9.
Article
CAS
Google Scholar
Oka GA, Thomas L, Lavkulich LM. Soil assessment for urban agriculture: a Vancouver case study. J Soil Sci Plant Nutr. 2014;14(3):657–69.
Google Scholar
Olesik JW. ICP-OES capabilities, developments, limitations, and any potential challengers. Spectroscopy. 2020;35:18–21.
Google Scholar
Orsini F, Kahane R, Nono-Womdim R, Gianquinto G. Urban agriculture in the developing world: a review. Agron Sustain Dev. 2013;33(4):695–720.
Article
Google Scholar
Paltseva AA, Cheng Z, Egendorf SP, Groffman PM. Remediation of an urban garden with elevated levels of soil contamination. Sci Total Environ. 2020;722: 137965.
Article
CAS
PubMed
Google Scholar
Pasquini MW, Alexander MJ. Chemical properties of urban waste ash produced by open burning on the Jos Plateau: implications for agriculture. Sci Total Environ. 2004;319(1–3):225–40.
Article
CAS
PubMed
Google Scholar
Patra S, Whaung ST, Kwan WL. Analysis of heavy metals in incineration bottom ash in Singapore and potential impact of pre-sorting on ash quality. Energy Procedia. 2017;143:454–9.
Article
CAS
Google Scholar
Pelfrêne A, Waterlot C, Mazzuca M, Nisse C, Cuny D, Richard A, Denys S, Heyman C, Roussel H, Bidar G, Douay F. Bioaccessibility of trace elements as affected by soil parameters in smelter-contaminated agricultural soils: a statistical modeling approach. Environ Pollut. 2012;160:130–8.
Article
PubMed
CAS
Google Scholar
Petruzzelli G, Pedron F, Rosellini I. Bioavailability and bioaccessibility in soil: a short review and a case study. AIMS Environ Sci. 2020;7(2):208–25.
Article
CAS
Google Scholar
Pham VD, Fatimah MS, Sasaki A, Duong VH, Pham KL, Susan P, Watanabe T. Seasonal variation and source identification of heavy metal (loid) contamination in peri-urban farms of Hue city, Vietnam. Environ Pollut. 2021;278: 116813.
Article
CAS
PubMed
Google Scholar
Pilgrim W, Schroeder B. Multi-media concentrations of heavy metals and major ions from urban and rural sites in New Brunswick, Canada. Environ Monit Assess. 1997;47(1):89–108.
Article
CAS
Google Scholar
Preer JR, Rosen WG. Lead and cadmium content of urban garden vegetables. Trace Subst Environ Health. 1977;11:399–405.
CAS
Google Scholar
Preer JR, Akintoye JO, Martin ML. Elements in downtown Washington, DC gardens. Biol Trace Elem Res. 1984;6(1):79–91.
Article
CAS
PubMed
Google Scholar
Purves D. Contamination of urban garden soils with copper and boron. Nature. 1966;210:1077–8.
Article
CAS
Google Scholar
Quenea K, Lamy I, Winterton P, Bermond A, Dumat C. Interactions between elements and soil organic matter in various particle size fractions of soil contaminated with waste water. Geoderma. 2009;149(3–4):217–23.
Article
CAS
Google Scholar
Ragaini RC, Ralston HR, Roberts N. Environmental trace element contamination in Kellogg, Idaho, near a lead smelting complex. Env Sci Technol. 1977;11(8):773–81.
Article
CAS
Google Scholar
Rahman A, Chia LS, Chung DS. Pollution of water by hydrocarbons and heavy metals around Singapore. In: Hew et al., editors. Proc. of 2nd Symp. on environment; 1979. p. 276–93.
Rai PK, Lee SS, Zhang M, Tsang YF, Kim KH. Heavy metals in food crops: health risks, fate, mechanisms, and management. Environ Int. 2019;125:365–85.
Article
CAS
PubMed
Google Scholar
Rajneesh, Sharma RP, Sankhyan NK, Kumar R. Long-term effect of fertilizers and amendments on depth-wise distribution of available NPK, micronutrient cations, productivity, and NPK uptake by maize-wheat system in an acid alfisol of NorthWestern Himalayas. Commun Soil Sci Plant Anal. 2017;48(18):2193–209.
Article
CAS
Google Scholar
Ramchunder SJ, Ziegler AD. Promoting sustainability education through hands-on approaches: a tree carbon sequestration exercise in a Singapore green space. Sustain Sci. 2021;16(3):1045–59.
Article
PubMed
PubMed Central
Google Scholar
Rasmussen PE, Subramanian KS, Jessiman BJ. A multi-element profile of house dust in relation to exterior dust and soils in the city of Ottawa, Canada. Sci Total Environ. 2001;267(1–3):125–40.
Article
CAS
PubMed
Google Scholar
Rate AW. Spatial analysis of soil trace element contaminants in urban public open space, Perth, Western Australia. Soil Syst. 2021;5(3):46.
Article
CAS
Google Scholar
Reimann C, Garrett RG. Geochemical background—concept and reality. Sci Tot Environ. 2005;350(1–3):12–27.
Article
CAS
Google Scholar
Rivellini LH, Adam MG, Kasthuriarachchi N, Lee AK. Characterization of carbonaceous aerosols in Singapore: insight from black carbon fragments and trace element ions detected by a soot particle aerosol mass spectrometer. Atmos Chem Phys. 2020;20(10):5977–93.
Article
CAS
Google Scholar
Rogge N, Theesfeld I, Strassner C. Social sustainability through social interaction—a national survey on community gardens in Germany. Sustainability. 2018;10(4):1085.
Article
Google Scholar
Romic M, Romic D. Heavy metal distribution in agricultural topsoils in urban area. Environ Geol. 2003;43(7):795–805.
Article
CAS
Google Scholar
Rouillon M, Harvey PJ, Kristensen LJ, George SG, Taylor MP. VegeSafe: a community science program measuring soil-element contamination, evaluating risk and providing advice for safe gardening. Environ Pollut. 2017;222:557–66.
Article
CAS
PubMed
Google Scholar
Rózanski SL, Castejón JM, McGahan DG. Child risk assessment of selected element (loid) s from urban soils using in vitro UBM procedure. Ecol Ind. 2021;127: 107726.
Article
CAS
Google Scholar
Ruiz-Cortes E, Reinoso R, Díaz-Barrientos E, Madrid L. Concentrations of potentially toxic elements in urban soils of Seville: relationship with different land uses. Environ Geochem Health. 2005;27(5):465–74.
Article
CAS
PubMed
Google Scholar
Safi Z, Buerkert A. Heavy metal and microbial loads in sewage irrigated vegetables of Kabul, Afghanistan. J Agric Rural Dev Trop Subtrop. 2011;112(1):29–36.
Google Scholar
Salomon MJ, Watts-Williams SJ, McLaughlin MJ, Cavagnaro TR. Urban soil health: a city-wide survey of chemical and biological properties of urban agriculture soils. J Clean Prod. 2020;275: 122900.
Article
CAS
PubMed
PubMed Central
Google Scholar
Sanchez-Camazano M, Sanchez-Martin MJ, Lorenzo LF. Lead and cadmium in soils and vegetables from urban gardens of Salamanca (Spain). Sci Total Environ. 1994;146:163–8.
Article
PubMed
Google Scholar
Sánchez-Monedero MA, Cegarra J, García D, Roig A. Chemical and structural evolution of humic acids during organic waste composting. Biodegradation. 2002;13(6):361–71.
Article
PubMed
Google Scholar
Satarug S, Moore MR. Adverse health effects of chronic exposure to low-level cadmium in foodstuffs and cigarette smoke. Environ Health Pers. 2004;112(10):1099–103.
Article
CAS
Google Scholar
Schram-Bijkerk D, Otte P, Dirven L, Breure AM. Indicators to support healthy urban gardening in urban management. Sci Total Environ. 2018;621:863–71.
Article
CAS
PubMed
Google Scholar
Scokart PO, Meeus-Verdinne K, De Borger R. Mobility of heavy metals in polluted soils near zinc smelters. Water Air Soil Pollut. 1983;20(4):451–63.
Article
CAS
Google Scholar
Selim HM, Amacher MC. Reactivity and transport of heavy metals in soils. Boca Ratopn: CRC Press; 1996.
Google Scholar
Sharma JS, Chu J, Zhao J. Geological and geotechnical features of Singapore: an overview. Tunnel Undergr Space Technol. 1999;14(4):419–31.
Article
Google Scholar
Sharma RK, Agrawal M, Marshall F. Heavy metal contamination in vegetables grown in wastewater irrigated areas of Varanasi, India. Bull Environ Contam Toxicol. 2006;77(2):312–8.
Article
CAS
PubMed
Google Scholar
Sialelli J, Davidson CM, Hursthouse AS, Ajmone-Marsan F. Human bioaccessibility of Cr, Cu, Ni, Pb and Zn in urban soils from the city of Torino, Italy. Environ Chem Lett. 2011;9(2):197–202.
Article
CAS
Google Scholar
Siddiqui MN, Gondal MA, Nasr MM. Determination of trace elements using laser induced breakdown spectroscopy in insoluble organic materials obtained from pyrolysis of plastics waste. Bull Environ Contam Toxicol. 2009;83(1):141–5.
Article
CAS
PubMed
Google Scholar
Sin YM, Wong MK, Chou LM, Alias NB. A study of the heavy metal concentrations of the Singapore river. In: Fourth symposium on our environment. Dordrecht: Springer; 1991. p. 481–94.
Sipter E, Rózsa E, Gruiz K, Tátrai E, Morvai V. Site-specific risk assessment in contaminated vegetable gardens. Chemosphere. 2008;71(7):1301–7.
Article
CAS
PubMed
Google Scholar
Smith KS, Huyck HL. An overview of the abundance, relative mobility, bioavailability, and human toxicity of elements. Environ Geochem Mineral Depos. 1999;6:29–70.
Google Scholar
Spittler TM, Feder WA. A study of soil contamination and plant lead uptake in Boston urban gardens. Commun Soil Sci Plant Anal. 1979;10(9):1195–210.
Article
CAS
Google Scholar
Spliethoff HM, Mitchell RG, Shayler H, Marquez-Bravo LG, Russell-Anelli J, Ferenz G, McBride M. Estimated lead (Pb) exposures for a population of urban community gardeners. Environ Geochem Health. 2016;38(4):955–71.
Article
CAS
PubMed
PubMed Central
Google Scholar
Srinivas N, Rao SR, Kumar KS. Trace element accumulation in vegetables grown in industrial and semi-urban areas—a case study. Appl Ecol Environ Res. 2009;7(2):131–9.
Article
Google Scholar
Stilwell DE, Musante CL, Rathier TM. Comparison of heavy metals in community garden produce versus store-bought produce. New Haven: Connecticut Agricultural Experiment Station; 2008a. 1020:1–9. https://portal.ct.gov/-/media/CAES/DOCUMENTS/Publications/Bulletins/b1020pdf.pdf. Accessed June 2020.
Stilwell DE, Rathier TM, Musante CL, Ranciato JF. Comparison of heavy metals in community garden produce versus store-bought produce. New Haven: Connecticut Agricultural Experiment Station; 2008b. 1019:1–9.
Su C, Meng J, Zhou Y, Bi R, Chen Z, Diao J, Huang Z, Kan Z, Wang T. Heavy metals in soils from intense industrial areas in South China: spatial distribution, source apportionment and risk assessment. Front Environ Sci. 2022;10:820536. https://doi.org/10.3389/fenvs.2022.820536.
Sun R, Gu D. Air pollution, economic development of communities, and health status among the elderly in urban China. Am J Epidemiol. 2008;168(11):1311–8.
Article
PubMed
PubMed Central
Google Scholar
Sutherland RA, Tolosa CA. Variation in total and extractable elements with distance from roads in an urban watershed, Honolulu, Hawaii. Water Air Soil Pollut. 2001;127(1):315–38.
Article
CAS
Google Scholar
Swaddiwudhipong W, Mahasakpan P, Limpatanachote P, Krintratun S. An association between urinary cadmium and urinary stone disease in persons living in cadmium-contaminated villages in northwestern Thailand: a population study. Environ Res. 2011;111(4):579–83.
Article
CAS
PubMed
Google Scholar
Swiercz A, Zajecka E. Accumulation of heavy metals in the urban soils of the city of Skarzysko-Kamienna (Poland) with regard to land use. Carpath J Earth Environ Sci. 2018;13(1):249–66.
Article
Google Scholar
Szolnoki ZS, Farsang A, Puskás I. Cumulative impacts of human activities on urban garden soils: origin and accumulation of elements. Environ Pollut. 2013;177:106–15.
Article
CAS
PubMed
Google Scholar
Taguchi M, Santini G. Urban agriculture in the Global North & South: a perspective from FAO. Field actions science reports. J Field Act. 2019;24(Special Issue 20):12–7.
Google Scholar
Tam NF, Liu WK, Wong MH, Wong YS. Heavy metal pollution in roadside urban parks and gardens in Hong Kong. Sci Total Environ. 1987;59:325–8.
Article
CAS
PubMed
Google Scholar
Tan LH, Neo H. “Community in Bloom”: local participation of community gardens in urban Singapore. Local Environ. 2009;14(6):529–39.
Article
Google Scholar
Tan LC, Choa V, Tay JH. The influence of pH on mobility of heavy metals from municipal solid waste incinerator fly ash. Environ Monit Assess. 1997;44(1):275–84.
Article
CAS
Google Scholar
Thomas EC, Lavkulich LM. Anthropogenic effects on element content in urban soil from different parent materials and geographical locations: a Vancouver, British Columbia, Canada, study. Soil Sci. 2015;180(4/5):193–7.
Article
CAS
Google Scholar
Thomas EC. Bioavailability assessment of trace element contaminants in urban soils and partitioning of zinc, cadmium, lead, nickel, and copper in the roots, shoots, foliage, and seeds of Chenopodium quinoa. MSc dissertation, University of British Columbia; 2013. p. 79.
Thuy HT, Tobschall HJ, An PV. Distribution of heavy metals in urban soils—a case study of Danang-Hoian area (Vietnam). Environ Geol. 2000;39(6):603–10.
Article
CAS
Google Scholar
Tokalioglu S, Kartal S, Gültekin A. Investigation of heavy-element uptake by vegetables growing in contaminated soils using the modified BCR sequential extraction method. Int J Environ Anal Chem. 2006;86(06):417–30.
Article
CAS
Google Scholar
Tong S, Li H, Wang L, Tudi M, Yang L. Concentration, spatial distribution, contamination degree and human health risk assessment of heavy metals in urban soils across China between 2003 and 2019—a systematic review. Int J Environ Res Public Health. 2020;17(9):3099.
Article
CAS
PubMed Central
Google Scholar
Tran TQ, Chou TY, Chen MH, Hoang VT, Nhi T. Estimating spatial distribution and mapping risk element pollution in urban agricultural land of Nhi Binh area, Ho Chi Minh City, Vietnam. Int J Res Agric Sci. 2020;7(30):2348–3997.
Google Scholar
Tresch S, Moretti M, Le Bayon RC, Mäder P, Zanetta A, Frey D, Fliessbach A. A gardener’s influence on urban soil quality. Front Environ Sci. 2018;6:25.
Article
Google Scholar
Tsang DC, Yip AC, Olds WE, Weber PA. Arsenic and copper stabilisation in a contaminated soil by coal fly ash and green waste compost. Environ Sci Pollut Res. 2014;21(17):10194–204.
Article
CAS
Google Scholar
US Environmental Protection Agency. Method 200.7—trace elements in water, soils, and biosolids by inductively coupled plasma-atomic emissions spectrometry. Washington: EPA; 2001.
Google Scholar
US Environmental Protection Agency. Update for Chapter 5 of the exposure factors handbook. In: Exposure factors handbook. Washington: EPA; 2017.
Google Scholar
Varrica D, Dongarrà G, Sabatino G, Monna F. Inorganic geochemistry of roadway dust from the metropolitan area of Palermo, Italy. Environ Geol. 2003;44(2):222–30.
Article
CAS
Google Scholar
Vazhacharickal PJ, Predotova M, Chandrasekharam D, Bhowmik S, Buerkert A. Urban and peri-urban agricultural production along railway tracks: a case study from the Mumbai Metropolitan Region. J Agric Rural Dev Trop Subtrop. 2013;114(2):145–57.
Google Scholar
Veeken A, Nierop K, de Wilde V, Hamelers B. Characterisation of NaOH-extracted humic acids during composting of a biowaste. Bioresour Technol. 2000;72(1):33–41.
Article
CAS
Google Scholar
Violante A, Cozzolino V, Perelomov L, Caporale AG, Pigna M. Mobility and bioavailability of heavy metals and elementloids in soil environments. J Soil Sci Plant Nutr. 2010;10(3):268–92.
Article
Google Scholar
Von Braun MC, Von Lindern IH, Khristoforova NK, Kachur AH, Yelpatyevsky PV, Elpatyevskaya VP, Spalinger SM. Environmental lead contamination in the Rudnaya Pristan-Dalnegorsk mining and smelter district, Russian Far East. Environ Res. 2002;88(3):164–73.
Article
CAS
Google Scholar
Voutsa D, Grimanis A, Samara C. Trace elements in vegetables grown in an industrial area in relation to soil and air particulate matter. Environ Pollut. 1996;94(3):325–35.
Article
CAS
PubMed
Google Scholar
Wang XS, Qin Y, Chen YK. Heavy meals in urban roadside soils, part 1: effect of particle size fractions on heavy metals partitioning. Environ Geol. 2006;50(7):1061–6.
Article
CAS
Google Scholar
Wang L, Tao W, Smardon RC, Xu X, Lu X. Speciation, sources, and risk assessment of heavy metals in suburban vegetable garden soil in Xianyang City, Northwest China. Front Earth Sci. 2018;12(2):397–407.
Article
CAS
Google Scholar
Wang Y, Tan SN, Yusof ML, Ghosh S, Lam YM. Assessment of heavy metal and elementloid levels and screening potential of tropical plant species for phytoremediation in Singapore. Environ Pollut. 2022;295: 118681.
Article
CAS
PubMed
Google Scholar
Warman PR, Cooper JM. Fertilization of a mixed forage crop with fresh and composted chicken manure and NPK fertilizer: effects on soil and tissue Ca, Mg, S, B, Cu, Fe, Mn and Zn. Can J Soil Sci. 2000;80(2):345–52.
Article
Google Scholar
Warming M, Hansen MG, Holm PE, Magid J, Hansen TH, Trapp S. Does intake of trace elements through urban gardening in Copenhagen pose a risk to human health? Environ Pollut. 2015;202:17–23.
Article
CAS
PubMed
Google Scholar
Warren HV, Delavault RE, Fletcher KW. Element pollution—a growing problem in industrial and urban areas. CIM Bull (canada). 1971;64(711):34–45.
CAS
Google Scholar
Waterlot C, Pruvot C, Ciesielski H, Douay F. Effects of a phosphorus amendment and the pH of water used for watering on the mobility and phytoavailability of Cd, Pb and Zn in highly contaminated kitchen garden soils. Ecol Eng. 2011;37(7):1081–93.
Article
Google Scholar
Weber AM, Mawodza T, Sarkar B, Menon M. Assessment of potentially toxic trace element contamination in urban allotment soils and their uptake by onions: a preliminary case study from Sheffield, England. Ecotoxicol Environ Saf. 2019;170:156–65.
Article
CAS
PubMed
Google Scholar
Weindorf DC, Zhu Y, Chakraborty S, Bakr N, Huang B. Use of portable X-ray fluorescence spectrometry for environmental quality assessment of peri-urban agriculture. Environ Monit Assess. 2012;184(1):217–27.
Article
PubMed
Google Scholar
Wiederhold JG. Element stable isotope signatures as tracers in environmental geochemistry. Environ Sci Technol. 2015;49(5):2606–24.
Article
CAS
PubMed
Google Scholar
Wilcke W, Müller S, Kanchanakool N, Zech W. Urban soil contamination in Bangkok: heavy metal and aluminium partitioning in topsoils. Geoderma. 1998;86(3–4):211–28.
Article
CAS
Google Scholar
Winkler B, Maier A, Lewandowski I. Urban gardening in Germany: cultivating a sustainable lifestyle for the societal transition to a bioeconomy. Sustainability. 2019;11(3):801.
Article
Google Scholar
Wiseman CL, Zereini F, Püttmann W. Traffic-related trace element fate and uptake by plants cultivated in roadside soils in Toronto, Canada. Sci Total Environ. 2013;442:86–95.
Article
CAS
PubMed
Google Scholar
Witzling L, Wander M, Phillips E. Testing and educating on urban soil lead: a case of Chicago community gardens. J Agric Food Syst Community Dev. 2010;1(2):167–85.
Article
Google Scholar
Wong JW. Heavy metal contents in vegetables and market garden soils in Hong Kong. Environ Technol. 1996;17(4):407–14.
Article
CAS
Google Scholar
Wood AK, Ahmad Z, Shazili NA, Yaakob R, Carpenter RO. Geochemistry of sediments in Johor Strait between Malaysia and Singapore. Cont Shelf Res. 1997;17(10):1207–28.
Article
Google Scholar
Wortman SE, Lovell ST. Environmental challenges threatening the growth of urban agriculture in the United States. J Environ Qual. 2013;42(5):1283–94.
Article
CAS
PubMed
Google Scholar
Wu HY, Ting YP. Element extraction from municipal solid waste (MSW) incinerator fly ash—chemical leaching and fungal bioleaching. Enzyme Microb Technol. 2006;38(6):839–47.
Article
CAS
Google Scholar
Wuana RA, Okieimen FE. Heavy metals in contaminated soils: a review of sources, chemistry, risks and best available strategies for remediation. Int Sch Res Not. 2011;2011(2011): 402647. https://doi.org/10.5402/2011/402647.
Article
Google Scholar
Wuzhong N, Haiyan M, Jixiu H, Xinxian L. Heavy metal concentrations in vegetable garden soils from the suburb of Hangzhou, People’s Republic of China. Bull Environ Contam Toxicol. 2004;72(1):165–9.
Article
CAS
PubMed
Google Scholar
Xia X, Chen X, Liu R, Liu H. Heavy metals in urban soils with various types of land use in Beijing, China. J Hazard Mater. 2011;186(2–3):2043–50.
Article
CAS
PubMed
Google Scholar
Xiong T, Dumat C, Pierart A, Shahid M, Kang Y, Li N, Bertoni G, Laplanche C. Measurement of element bioaccessibility in vegetables to improve human exposure assessments: field study of soil–plant–atmosphere transfers in urban areas, South China. Environ Geochem Health. 2016;38(6):1283–301.
Article
CAS
PubMed
Google Scholar
Xue ZJ, Liu SQ, Liu YL, Yan YL. Health risk assessment of heavy metals for edible parts of vegetables grown in sewage-irrigated soils in suburbs of Baoding City, China. Environ Monit Assess. 2012;184(6):3503–13.
Article
CAS
PubMed
Google Scholar
Yang J-H, Na M-H. The effects of urban farming on well-being of the elderly: a focus on social, psychological, and environmental well-being. Int J Soc Sci Humanit. 2017;7:82–7.
Article
Google Scholar
Young SD. Chemistry of heavy metals and elementloids in soils. In: Alloway BJ, editor. Heavy metals in soils: trace elements and elementloids in soils and their bioavailability. Dordrecht: Springer; 2013.
Google Scholar
Yuen JQ, Olin PH, Lim HS, Benner SG, Sutherland RA, Ziegler AD. Accumulation of potentially toxic elements in road deposited sediments in residential and light industrial neighborhoods of Singapore. J Environ Manag. 2012;101:151–63.
Article
CAS
Google Scholar
Zahran S, Laidlaw MAS, McElmurry SP, Filippelli GM, Taylor M. Linking source and effect: resuspended soil lead, air lead, and children’s blood lead levels in Detroit, Michigan. Environ Sci Technol. 2013;47:2839–45. https://doi.org/10.1021/es303854c.
Article
CAS
PubMed
Google Scholar
Zeng X, Xu X, Boezen HM, Huo X. Children with health impairments by heavy metals in an e-waste recycling area. Chemosphere. 2016;148:408–15.
Article
CAS
PubMed
Google Scholar
Zezza A, Tasciotti L. Urban agriculture, poverty, and food security: empirical evidence from a sample of developing countries. Food Policy. 2010;35(4):265–73.
Article
Google Scholar
Zhao Y-F, Shi X-Z, Huang B, Yu D-S, Wang H-J, Sun W-X, Oboern I, Blomback K. Spatial distribution of heavy metals in agricultural soils of an industry-based peri-urban area in Wuxi, China. Pedosphere. 2007;17(1):44–51.
Article
Google Scholar
Zhong X, Joimel S, Schwartz C, Sterckeman T. Assessing the future trends of soil trace element contents in French urban gardens. Environ Sci Pollut Res. 2022;29(3):3900–17.
Article
Google Scholar
Zhou CY, Wong MK, Koh LL, Wee YC. Soil lead and other element levels in industrial, residential and nature reserve areas in Singapore. Environ Monit Assess. 1997;44:605–15. https://doi.org/10.1023/A:1005712519751.
Article
CAS
Google Scholar
Ziss E, Friesl-Hanl W, Götzinger S, Noller C, Puschenreiter M, Watzinger A, Hood-Nowotny R. Exploring the potential risk of heavy metal pollution of edible cultivated plants in urban gardening contexts using a citizen science approach in the project “heavy metal City-Zen.” Sustainability. 2021;13(15):8626.
Article
CAS
Google Scholar
Zu Y, Bock L, Schvartz C, Colinet G, Li Y. Mobility and distribution of lead, cadmium, copper and zinc in soil profiles in the peri-urban market garden of Kunming, Yunnan Province, China. Arch Agron Soil Sci. 2014;60(1):133–49.
Article
CAS
Google Scholar
Zwolak A, Sarzynska M, Szpyrka E, et al. Sources of soil pollution by heavy metals and their accumulation in vegetables: a review. Water Air Soil Pollut. 2019;230:164. https://doi.org/10.1007/s11270-019-4221-y.
Article
CAS
Google Scholar