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Immobilization of Cd, Pb and Zn through Organic Amendments in Wastewater Irrigated Soils

Author

Listed:
  • Kouser Majeed Malik

    (Soil Fertility Survey and Soil & Water Testing Institute, Rawalpindi 46300, Pakistan)

  • Khalid Saifullah Khan

    (Institute of Soil Science, Pir Mehr Ali Shah Arid Agriculture University, Rawalpindi 46300, Pakistan)

  • Shah Rukh

    (National Centre of Excellence in Geology, University of Peshawar, Peshawar 25130, Pakistan)

  • Ahmad Khan

    (Institute of Soil Science, Pir Mehr Ali Shah Arid Agriculture University, Rawalpindi 46300, Pakistan)

  • Saba Akbar

    (Institute of Soil Science, Pir Mehr Ali Shah Arid Agriculture University, Rawalpindi 46300, Pakistan)

  • Motsim Billah

    (Department of Life Sciences, Abasyn University Islamabad Campus, Islamabad 44000, Pakistan)

  • Saqib Bashir

    (Department of Soil and Environmental Sciences, Ghazi University, DG Khan 32200, Pakistan)

  • Subhan Danish

    (Department of Soil Science, Bahauddin Zakariya University, Multan 66000, Pakistan)

  • Mona S Alwahibi

    (Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia)

  • Mohamed Soliman Elshikh

    (Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia)

  • Abdullah Ahmed Al-Ghamdi

    (Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia)

  • Abd El-Zaher M. A. Mustafa

    (Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia)

Abstract

Due to the scarcity of water, raw sewage effluents are often used to irrigate arable suburban soils in developing countries, which causes soil contamination with toxic metals. Soil microorganisms involved in biochemical transformations are sensitive to heavy metals contamination. The study was designed to investigate the effect of organic amendments on the microbial activity of cadmium (Cd), lead (Pb) and zinc (Zn) fractions and their bioavailability in soils contaminated with wastewater irrigation. Three metal contaminated soils under wastewater irrigation were collected, ground, sieved and added to incubation jars. Two organic amendments: wheat straw and chickpea straw, were applied (1% w / w ) to the soil before incubation for 84 days at 25 °C. The CO 2 -C evolution after 1, 2, 3, 5, 7, 10 and 14 days was measured and thereafter was also measured weekly. Soil samples collected at 0, 14, 28, 42, 56, 70 and 84 days after incubation were analyzed for microbial biomass carbon (MBC). Sequential extraction for metal fractionation of samples was carried out collected at 0, 28, 56 and 84 days. Three soils differed significantly in evolved MBC and ∑CO 2 -C. Chickpea straw addition significantly increased soil MBC as compared to the wheat straw. Organic amendments significantly increased ∑CO 2 -C evolution from the soils, which was higher from chickpea straw. The addition of crop residues did not affect total Pb, Cd and Zn contents in soils. The concentration of exchangeable, carbonate bound and residual fractions of Pb, Cd and Zn decreased (6–27%), while the organic matter bound fraction increased (4–75%) with straw addition. Overall, the organic amendments improved microbial activity and reduce the bioavailability of toxic metals in wastewater irrigated soils. Furthermore, organic amendments not only reduce economic losses as they are cheap to produce but also minimize human health risks from heavy metals by hindering their entry into the food chain.

Suggested Citation

  • Kouser Majeed Malik & Khalid Saifullah Khan & Shah Rukh & Ahmad Khan & Saba Akbar & Motsim Billah & Saqib Bashir & Subhan Danish & Mona S Alwahibi & Mohamed Soliman Elshikh & Abdullah Ahmed Al-Ghamdi , 2021. "Immobilization of Cd, Pb and Zn through Organic Amendments in Wastewater Irrigated Soils," Sustainability, MDPI, vol. 13(4), pages 1-16, February.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:4:p:2392-:d:504179
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    Citations

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    Cited by:

    1. Samia Yaseen & Syeda Fasiha Amjad & Nida Mansoora & Shameem Kausar & Huma Shahid & Saad A. M. Alamri & Sulaiman A. Alrumman & Ebrahem M. Eid & Mohammad Javed Ansari & Subhan Danish & Rahul Datta, 2021. "Supplemental Effects of Biochar and Foliar Application of Ascorbic Acid on Physio-Biochemical Attributes of Barley ( Hordeum vulgare L.) under Cadmium-Contaminated Soil," Sustainability, MDPI, vol. 13(16), pages 1-17, August.
    2. Syeda Fasiha Amjad & Nida Mansoora & Israr Ud Din & Rana Khalid Iqbal & Ghulam Hussain Jatoi & Ghulam Murtaza & Samia Yaseen & Maliha Naz & Subhan Danish & Shah Fahad & Rahul Datta, 2021. "Application of Zinc Fertilizer and Mycorrhizal Inoculation on Physio-Biochemical Parameters of Wheat Grown under Water-Stressed Environment," Sustainability, MDPI, vol. 13(19), pages 1-14, October.
    3. Mirosław Wyszkowski & Natalia Kordala & Marzena S. Brodowska, 2023. "Trace Element Content in Soils with Nitrogen Fertilisation and Humic Acids Addition," Agriculture, MDPI, vol. 13(5), pages 1-13, April.
    4. Chao Hu & Yujun Dai & Hongqing Hu & Changchun Li & Kailiang Chen & Yafang Tang, 2023. "Comparative Study on the Leaching Characteristics of Cd Passivated in Soils under Continuous Simulated Acid Rain," Sustainability, MDPI, vol. 15(7), pages 1-11, April.

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