Accumulation and fractionation of trace metals in a Tunisian calcareous soil amended with farmyard manure and municipal solid waste compost

Journal of Hazardous Materials
W Ben AchibaTahar Gallali

Abstract

A field plots experiment was carried out to assess the effects of repeated application of municipal solid waste compost in comparison to farmyard manure on the accumulation and distribution of trace metals, as well as organic carbon and nitrogen in Tunisian calcareous soil. Compared with untreated soil, the application of the two organic amendments significantly increased the organic carbon and nitrogen contents of the soil. Particle-size fractionations showed that carbon and nitrogen were mainly found to occur in the macro-organic matter fraction (80%). The two organic amendments significantly increased organic carbon in the macro-organic and mineral >150 microm fraction and the 150-50 microm fraction, as well as the organic nitrogen in 150-50 microm and macro-organic fraction. Compared with farmyard manure, municipal solid waste compost significantly increased total Cd, Cu, Pb and Zn contents in the topsoil. These trace metals were mainly present in the macro-organic matter fraction. Significant increases of Cu, Zn and Pb were detected in the 150-50 microm, <50 microm and macro-organic fractions after application of municipal solid waste compost. A significant increase of Cd content was only observed in the 150-50 microm frac...Continue Reading

Citations

May 6, 2014·Journal of Environmental Management·André Cestonaro do AmaralKarin Cristiane Justi
Mar 4, 2014·Ecotoxicology and Environmental Safety·Neng-min Zhu Yu-Deng
Oct 27, 2010·Journal of Hazardous Materials·Jin Hee ParkJae-Woo Chung
Jun 18, 2017·Environmental Science and Pollution Research International·Naghmeh SoltaniMohamad Reza Ahmadi
Mar 27, 2018·Environmental Science and Pollution Research International·Majid KermaniZohreh Bahmani
Jul 22, 2020·Archives of Microbiology·Sonia Mokni-TliliHelmi Hamdi
Jul 19, 2018·Environmental Science and Pollution Research International·Jing Gao, Lucang Wang
May 11, 2020·Waste Management·Carlos Cesar BredaIraê Amaral Guerrini
Jun 14, 2021·Environmental Monitoring and Assessment·Oluwaseun H AnselmKonstantinos Togias

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