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All Journal Jurnal Ilmu Tanah dan Lingkungan (Journal of Soil Science and Environment) Journal of Tropical Soils Jurnal Agroindustri SAINS TANAH - Journal of Soil Science and Agroclimatology Jurnal Agrotek Tropika Agroekoteknologi Tropika Lembab Jurnal Agrotropika Jurnal Ilmiah Biologi UMA (JIBIOMA) Jurnal Wacana Pertanian Jurnal Pengabdian Fakultas Pertanian Universitas Lampung
Sri Yusnaini
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Electrical & Electronics Engineering Energy Environmental Science Industrial & Manufacturing Engineering

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Effect of biochar on microbial population in heavy metal contaminated soil for 23 years Yusnaini, Sri; Octalyani, Erninda; Dirmawati, Suskandini Ratih; Salam, Abdul Kadir; Handayani, Iin Purwati
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 22, No 2 (2025): December
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v22i2.93984

Abstract

Soil microbial populations and activities have been repeatedly reported to be severely affected by high concentrations of heavy metals. However, little of this information comes from tropical soil. The fungal and bacterial populations in tropical soils contaminated with heavy metals were observed in a laboratory study. Soils that have been amended once with different rates of heavy-metal-containing waste (0-60 Mg ha-1) in 1998 (23 years ago) were used in this study. We then treated the contaminated soils with different rates of biochar (0-10 Mg ha-1). Biochar is known to significantly reduce heavy metal contaminants through various immobilization reactions. The soil-biochar mixtures were allowed to equilibrate at the soil field water capacity, maintained by a common water reservoir beneath the soil-biochar mixtures, for 4 weeks. After this period, the soil fungal and bacterial populations were counted. The results of the present study showed that high soil levels of Cu and Zn significantly enhanced the fungal population. In contrast, the bacterial population was not affected by the presence of Cu and Zn. In the highly contaminated pots, the addition of biochar significantly enhanced the population of soil fungi (identified as Aspergillus sp.), but it did not affect the population of bacteria. The results of the study suggest that biochar application led to significant enhancement of the population of Aspergillus sp. in pots with high soil Cu and Zn levels, most likely through improved habitat conditions provided by biochar’s porous structure, which could be leveraged in bioremediation efforts for heavy metal-contaminated soils.
Co-Authors Abdul Kadir Abdul Kadir Salam Aditya, Dinar Afandi Afandi Afriliyanti, Rizki Agus Karyanto Aini, Septi Nurul Ainin Niswati Ainin Niswati, Ainin Antari, Jeni Ardiyani, Novia Pratiwi Arif, M. A. Syamsul Arif, Mas Achmad Syamsul Bambang Irawan /E21207042 Buchori, Henrie Dedy Prasetyo Dedy Prasetyo Dermiyati Dermiyati Dermiyati, Dermiyati DWI HAPSORO Fembriarti Erry Prasmatiwi Flora Gamasika Gama, Dimmas Pranata Hafiz Luthfi Handayani, Iin Purwati Hery Novpriansyah Imaria, Dwi Irwan Irwan Jamalam Lumbanraja, Jamalam Lumbanraja Jessica Amarastha Hayu Panjerratri Kresna Shifa Usodri Kus Hendarto, Kus Kusuma Handayani, Kusuma Kuswanta Futas Hidayat Listyowati, Mastutik Sri M. Yogi Riyantama Isjoni Maria Viva Rini Maulana Malik Musa Nonaka, Masanori Novpriansyah, Hery Nur Afni Afrianti Nur Afni Afrianti Nurlita, Nadya Octalyani, Erninda Pamela, Ahmad Bintang Pangestuning, Endah Pramana, Yanuar Sigit Ragil Saputra Ramadani, Winih Sekaringtyas Ramadhani, Winih Sekaringtyas Rivaie, Arivin Roby Fernandi Rochmah Agustrina Rusdi Evizal Sadiyah, Nyimas Sarno, . Setyo Widagdo Sholihah, Fairuz Nabila Sugeng Triyono Sugiatno Sugiatno Sumardi Sumardi . Supriatin Supriatin, Supriatin Supriyanti, Arni Suskandini Ratih Dirmawati Sutopo Ghani Nugroho Tandaditya Ariefandra Airlangga Tunsiyah, Tunsiyah Utomo, Muhajir Vivin Vivin Yunita Siwi Palupi Zaqyah, Irene