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Sustainable Rehabilitation of Post-Bauxite Mining Land for Albizia falcata Cultivation Using Specific Location Amelioration Technology

Author

Listed:
  • Denah Suswati

    (Faculty of Agriculture, Tanjungpura University, Pontianak 78124, Indonesia)

  • Nugra Irianta Denashurya

    (Faculty of Agriculture, Tanjungpura University, Pontianak 78124, Indonesia)

Abstract

Bauxite mining, catalyzed by the escalating global demand for aluminum, leads to serious environmental repercussions, necessitating the development of efficient land rehabilitation techniques. This study presents a sustainable solution for post-bauxite mining land rehabilitation by leveraging red mud waste and cow manure fertilizer. Applied in PT Antam, Sanggau Regency, West Kalimantan, this research examines the potential of these ameliorants to restore ecological functions and promote the growth of Albizia falcata plants. Our findings reveal a remarkable enhancement in soil pH levels and nutrient availability (N, P, K, Ca, Mg, and Na) when applying a blend of 10% red mud and 20% cow manure fertilizer. Consequently, a significant improvement in the growth of Albizia falcata plants by factors ranging from 8 to 13 times was recorded. These results, alongside potential economic benefits, highlight the promise of this approach not to only confront the challenges posed by bauxite mining but also to contribute to global land rehabilitation strategies. While this study provides substantial insights, it recommends further exploration of this method involving diverse plant species, treatments with different ameliorants, and a broader range of observed variables. The study underscores the critical role of government intervention through stringent regulations and the need for a more comprehensive environmental and cost-benefit analysis to foster sustainable mining practices and responsible land rehabilitation.

Suggested Citation

  • Denah Suswati & Nugra Irianta Denashurya, 2023. "Sustainable Rehabilitation of Post-Bauxite Mining Land for Albizia falcata Cultivation Using Specific Location Amelioration Technology," Sustainability, MDPI, vol. 15(14), pages 1-16, July.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:14:p:10959-:d:1192891
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    References listed on IDEAS

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    1. Kuan, Seng How & Ghorbani, Yousef & Chieng, Sylvia, 2020. "Narrowing the gap between local standards and global best practices in bauxite mining: A case study in Malaysia," Resources Policy, Elsevier, vol. 66(C).
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