Worrying cadmium and lead levels in a commonly cultivated vegetable irrigated with river water in Zimbabwe

References

• Abah, J., Mashebe, P., & Onjefu, S. A. (2020). Heavy metals pollution status of the Katima MuliloUrban open land wastewater disposal centre and the immediate vicinity. Cogent Environmental Science, 6(1), 1726093. https://doi.org/10.1080/23311843.2020.1726093
   Web of Science ®Google Scholar
• Ahn, Y., Yun, H., Pandi, K., Park, S., Ji, M., & Choi, J. (2020). Heavy metal speciation with prediction model for heavy metal mobility and risk assessment in mine-affected soils. Environmental Science and Pollution Research, 27(3), 3213–9. https://doi.org/10.1007/s11356-019-06922-0
   PubMed Web of Science ®Google Scholar
• Bot, Y. S., Nwanjo, H. U., Nwosu, D. C., Olumide, O. B., & Ifenkwe, J. C. (2020). Derangement of kidney biomarkers associated with blood cadmium, lead and chromium in artisans and petrol hawkers in Jos, Nigeria. International Journal of Nephrology and Kidney Failure, 6(1), 1-6. https://doi.org/10.16966/2380-5498.190
   Google Scholar
• Bricas, N. (2019). Urbanization issues affecting food system sustainability. In C. Brand, N. Bricas, D. Conaré, B. Daviron, J. Debru, L. Michael, & C.-T. Soulard (Eds.), Designing urban food policies. Concepts and approaches (pp. 1-25).
   Google Scholar
• Cosgrove, W. J., & Loucks, D. P. (2015). Water management: Current and future challenges and research directions. Water Resource Research, 51(6), 4823–4839. https://doi.org/10.1002/2014WR016869
   Web of Science ®Google Scholar
• Ćwieląg-Drabek, M., Piekut, A., Gut, K., & Grabowski, M. (2020). Risk of cadmium, lead and zinc exposure from consumption of vegetables produced in areas with mining and smelting past. Scientific Reports, 10(1), 3363. https://doi.org/10.1038/s41598-020-60386-8
   PubMed Web of Science ®Google Scholar
• El-Gamal, T. T., & Housian, M. H. (2016). Wastewater challenges and successful implementation of constructed wetlands in Egypt. In H. Hettiarachchi & R. Ardakanian (Eds.), Safe use of wastewater in agriculture: Good practice examples (pp.43-58). United Nations University Institute for Integrated Management of Material Fluxes and of Resources (UNU-FLORES.
   Google Scholar
• Environmental Management Agency [EMA]. (2007). Environmenta management (Effluent and solid waste disposal). EMA.
   Google Scholar
• FAO. 2012. Growing greener cities in Africa. First status report on urban and peri-urban horticulture in Africa. Food and Agriculture Organization of the United Nations.
   Google Scholar
• FAO. (2019). Proposed code of practice for the prevention and reduction of cadmium contamination in cocoa beans (for consideration by CCCF – General comments to provide guidance in the further development of the COP). First draft of a code of practice for the prevention and reduction of cadmium contamination in cocoa.
   Google Scholar
• Green, R. E., & Pain, D. J. (2019). Risks to human health from ammunition-derived lead in Europe. Amio, 48, 954–968. https://doi.org/10.1007/s13280-019-01194-x
   Google Scholar
• Helmecke, M., Fries, E., & Schulte, C. (2020). Regulating water reuse for agricultural irrigation: Risks related to organic micro-contaminants. Environmental Sciences Europe, 32(1), 4. https://doi.org/10.1186/s12302-019-0283-0
   Web of Science ®Google Scholar
• Hilton, C. E. (2017). The importance of pretesting questionnaires: A field research example of cognitive pretesting the Exercise referral Quality of Life Scale (ER-QLS). International Journal of Social Research Methodology, 20(1), 21–34. https://doi.org/10.1080/13645579.2015.1091640
   Web of Science ®Google Scholar
• Holmes, S. (1996). South African water quality guidelines agricultural use: Irrigation. Departmet of Water Affairs and Forestry, Republic of South Africa.
   Google Scholar
• Huang, L., Rad, S., Xu, L., Gui, L., Song, X., Li, Y., Wu, Z., & Zhongbing Che, Z. (2020). Heavy metals distribution, sources, and ecological risk assessment in Huixian Wetland, South. China Water, 12(2), 431. https://doi.org/10.3390/w12020431
   Web of Science ®Google Scholar
• Kabata-Pendias, A., & Pendias, H. (2001). Trace elements in soils and plants. CRC Press.
   Google Scholar
• Khatri, N., & Tyagi, S. (2015). Influences of natural and anthropogenic factors on surface and groundwater quality in rural and urban areas. Frontiers in Life Science, 8(1), 23–39. https://doi.org/10.1080/21553769.2014.933716
   Web of Science ®Google Scholar
• Kinuthia, G. K., Ngure, V., Beti, D., Lugalia, R., Wangila, A., & Kamau, L. (2020). Levels of heavy metals in wastewater and soil samples from open drainage channels in Nairobi, Kenya: Community health implication. Scientific Reports, 10(1), 8434. https://doi.org/10.1038/s41598-020-65359-5
   PubMed Web of Science ®Google Scholar
• Kubier, A., Wilkin, R., & Pichler, T. (2019). Cadmium in soils and groundwater: A review. Applied Geochemistry, 108, 104388. https://doi.org/10.1016/j.apgeochem.2019.104388
   Web of Science ®Google Scholar
• Mahmood, A., Mahmoud, A. H., El-Abedein, A. I. Z., Ashraf, A., & Almunqedhi, B. M. A. (2020). A comparative study of metal concentration in agricultural soil and vegetables irrigated by wastewater and tube well water. Journal of King Saud University – Science, 32(3), 1861–1864. https://doi.org/10.1016/j.jksus.2020.01.031
   Web of Science ®Google Scholar
• Manisalidis, I., Stavropoulou, E., Stavropoulous, A., & Bezirtzoglou, E. (2020). Environmental and health impacts of air pollution: A review. Frontiers in Public Health, 8, 14. https://doi.org/10.3389/fpubh.2020.00014
   PubMed Web of Science ®Google Scholar
• Mar, S. S., Okazaki, M., & Motobayashi, T. (2012). The influence of phosphate fertiliser application levels and cultivars on cadmium uptake by Komatsuna (Brassica rapa L. var. perviridis). Soil Science and Plant Nutrition, 58(4), 492–502. https://doi.org/10.1080/00380768.2012.704394
   Web of Science ®Google Scholar
• Nkwunonwo, U. C., Odika, P. O., & Onyi, N. I. (2020). A review of the health implications of heavy metals in food chain in Nigeria. The Scientific World Journal, 2020, 1–11. https://doi.org/10.1155/2020/6594109
   Google Scholar
• Pant, N., Kumar, G., Upadhyay, A., Gupta, Y., & Chaturvedi, P. (2014). Correlation between lead and cadmium concentration and semen quality. Andrologia, 47(8), 887–891. https://doi.org/10.1111/and.12342
   PubMed Web of Science ®Google Scholar
• Pedzisai, E., Kowe, P., Matarira, C. H., Katanha, A., & Rutsvara, R. (2014). Enhancing food security and economic welfare through urban agriculture in Zimbabwe. Journal of Food Security, 2(3), 79–86. doi: 10.12691/jfs-2-3-2
   Google Scholar
• Rahimzadeh, M. R., Rahimzadeh, M. R., Kazemi, S., & Moghadamnia, A. (2017). Cadmium toxicity and treatment: An update. Caspian Journal of Internal Medicine, 8(3), 135–145. https://doi.org/10.22088/cjim.8.3.135
   PubMed Web of Science ®Google Scholar
• Roberts, T. L. (2014). Cadmium and phosphorus fertilisers: The issues and the science. Procedia Engineering, 83, 52–59. https://doi.org/10.1016/j.proeng.2014.09.012
   Google Scholar
• Sayo, S., Kiratu, J. M., & Nyamato, G. S. (2020). Heavy metal concentrations in soil and vegetables irrigated with sewage effluent: A case study of Embu sewage treatment plant. Scientific African. https://doi.org/10.1016/j.sciaf.2020.e00337
   Google Scholar
• Schaefer, H. R., Dennis, S., & Fitzpatrick, S. (2020). Cadmium: Mitigation strategies to reduce dietary exposure. Journal of Food Science, 85(2), 260–267. https://doi.org/10.1111/1750-3841.14997
   PubMed Web of Science ®Google Scholar
• Sims, B., Corsi, S., Gbehounou, G., Kienzle, J., Taguchi, M., & Theodor Friedrich, T. (2018). Sustainable weed management for conservation agriculture: Options for smallholder farmers. Agriculture, 8(8), 118. https://doi.org/10.3390/agriculture8080118
   Web of Science ®Google Scholar
• Sun, J., Fan, Q., Ma, J., Cui, L., Quan, G., Yan, J., Wu, L., Hina, K., Abdul, B., & Wang, H. (2020). Effects of biochar on cadmium (Cd) uptake in vegetables and its natural downward movement in saline-alkali soil. Environmental Pollutants and Bioavailability, 32(1), 36–46. https://doi.org/10.1080/26395940.2020.1714487
   Web of Science ®Google Scholar
• Tibugari, H., Chiduza, C., & Mashingaidze, A. B. (2020a). A survey of problem weeds of sorghum and their management in two sorghum-producing districts of Zimbabwe. Cogent Social Sciences, 6(1), 1738840. https://doi.org/10.1080/23311886.2020.1738840
   Web of Science ®Google Scholar
• Tibugari, H., Chiduza, C., & Mashingaidze, A. B. (2020b). Farmer knowledge, attitude and practices on sorghum allelopathy in five sorghum producing districts of Zimbabwe. South African Journal of Plant and Soil, 1–8. https://doi.org/10.1080/02571862.2019.1706003
   Web of Science ®Google Scholar
• Tytła, M., & Kostecki, M. (2019). Ecological risk assessment of metals and metalloid in bottom sediments of water reservoir located in the key anthropogenic “hot spot” area (Poland). Environmental Earth Sciences, 78(179), 2–17. https://doi.org/10.1007/s12665-019-8146-y
   Google Scholar
• United States Department of Agriculture [USDA]. (2016). Urban agriculture toolkit. United States Department of Agriculture.
   Google Scholar
• Vetrimurugan, E., Brindha, K., Elango, L., & Ndwandwe, O. M. (2017). Human exposure risk to heavy metals through groundwater used for drinking in an intensively irrigated river delta. Applied Water Science, 7(6), 3267–3280. https://doi.org/10.1007/s13201-016-0472-6
   Web of Science ®Google Scholar
• Yan, A., Wang, Y., Tan, S. N., Yusof, M. L. M., Ghosh, S., & Chen, Z. (2020). Phytoremediation: A promising approach for revegetation of heavy metal-polluted land. Frontiers in Plant Science, 11, 359. https://doi.org/10.3389/fpls.2020.00359
   PubMed Web of Science ®Google Scholar
• Zhu, Q., Li, X., & Ge, R. S. (2020). Toxicological effects of cadmium on mammalian testis. Frontiers in Genetics, 11, 527. https://doi.org/10.3389/fgene.2020.00527
   PubMed Web of Science ®Google Scholar
• Zwolak, A., Sarzyńska, M., Szpyrka, E., & Stawarczyk, K. (2019). Sources of soil pollution by heavy metals and their accumulation in vegetables: A review. Water, Air and Soil Pollution, 230(7), 164. https://doi.org/10.1007/s11270-019-4221-y
   Web of Science ®Google Scholar