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Evaluating the efficacy of bacterial-assisted phytoremediation using maize (Zea mays L.) to uptake heavy metals from fly ash

SAINS TANAH - Journal of Soil Science and Agroclimatology · Vol. 22 No. 2 (2025) · hlm. 317–327

DOI
10.20961/stjssa.v22i2.103856
ISSN
2356-1424, 1412-3606
Terbit
2025-10-22
Penerbit
Universitas Sebelas Maret
Bahasa
en

Abstrak

The agricultural sector faces dual challenges of declining soil fertility and unsustainable waste accumulation. This study examines the synergistic effects of fly ash (FA) and plant growth-promoting bacteria (PGPB) on the growth and physiological performance of maize (Zea mays L.) under controlled (potted) conditions. FA, a coal combustion by-product rich in essential minerals, was applied at varying doses (1–4 t ha-1) to assess its potential as a soil amendment with a bacterial strain (BSNK7) inoculated to enhance nutrient uptake and mitigate stress. Results showed a significant increase in fresh and dry biomass, leaf area, and chlorophyll content in treated plants. The combined application of 1 t ha-1 FA in conjunction with PGPB significantly increased fresh biomass by 1.57%, dry biomass by 0.94%, leaf area by 2.21%, and higher chlorophyll content compared to control (FA 0 t ha-1 and without bacteria). In contrast, FA 4 t ha-1, when applied without bacterial inoculation, resulted in reduced fresh biomass by 19.94% and dry biomass by 17.39%, respectively, compared to the control (FA 0 t ha-1 and without bacteria) which indicates the creation of toxicity at elevated doses. These findings suggest that the integrated use of low-dose FA and PGPB can sustainably enhance maize growth while minimizing environmental risks. The Application of appropriate doses of FA with PGPB can increase crop productivity and soil health simultaneously. Further field-based studies are recommended to validate scalability, optimize application rates, and assess the long-term impacts on soil health impacts.

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21 penulis · 62 tautan kepenulisan bersama · 18 lintas organisasi

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  • Sebelas Maret University
  • King Abdulaziz University
  • National Research and Innovation Agency
  • Gifu University
  • University of Brawijaya
  • Afiliasi tidak diketahui
  • Organisasi berbeda
  • Organisasi sama
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Rekan penulisOrganisasiArtikel bersama
Yanti Rina DarsaniAfiliasi tidak diketahui1
Yanti Rina DarsaniAfiliasi tidak diketahui1
Yiyi SulaemanNational Research and Innovation Agency1
Masganti MasgantiNational Research and Innovation Agency1
Wahida AnnisaAfiliasi tidak diketahui1
Dwi Priyo AriyantoAfiliasi tidak diketahui1
Sumani SumaniSebelas Maret University1
Komariah KomariahSebelas Maret University1
Muhamad Khoiru ZakiGifu University1
Keigo NodaGifu University1
Slamet MinardiSebelas Maret University1
Supriyadi SupriyadiSebelas Maret University1
Hery WidijantoSebelas Maret University1
Reni UstiatikUniversity of Brawijaya1
Brilliant MuktiSebelas Maret University1

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Sumber metadata: OAI-PMH (metadata jurnal) https://jurnal.uns.ac.id/tanah/oai, pertama di-harvest 10 Nov 2026, terakhir terlihat 10 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en">Evaluating the efficacy of bacterial-assisted phytoremediation using maize (Zea mays L.) to uptake heavy metals from fly ash</dc:title>
	<dc:creator xml:lang="en">Al-Solaimani, Samir Gamal</dc:creator>
	<dc:creator xml:lang="en">Al-Khamis, Muhammad Abdusalam</dc:creator>
	<dc:creator xml:lang="en">Zabraqy, Ali Muhammad</dc:creator>
	<dc:creator xml:lang="en">Abo-Elyousr, Kamal Ahmed Mohamed</dc:creator>
	<dc:creator xml:lang="en">Muhammad, Noor</dc:creator>
	<dc:creator xml:lang="en">Sakti, Muchammad Bima Gegana</dc:creator>
	<dc:subject xml:lang="en">Soil amendment</dc:subject>
	<dc:subject xml:lang="en">Microbial inoculation</dc:subject>
	<dc:subject xml:lang="en">Phytostimulation</dc:subject>
	<dc:subject xml:lang="en">Recycling industrial waste</dc:subject>
	<dc:subject xml:lang="en">Sustainable agriculture</dc:subject>
	<dc:description xml:lang="en">The agricultural sector faces dual challenges of declining soil fertility and unsustainable waste accumulation. This study examines the synergistic effects of fly ash (FA) and plant growth-promoting bacteria (PGPB) on the growth and physiological performance of maize (Zea mays L.) under controlled (potted) conditions. FA, a coal combustion by-product rich in essential minerals, was applied at varying doses (1–4 t ha-1) to assess its potential as a soil amendment with a bacterial strain (BSNK7) inoculated to enhance nutrient uptake and mitigate stress. Results showed a significant increase in fresh and dry biomass, leaf area, and chlorophyll content in treated plants. The combined application of 1 t ha-1 FA in conjunction with PGPB significantly increased fresh biomass by 1.57%, dry biomass by 0.94%, leaf area by 2.21%, and higher chlorophyll content compared to control (FA 0 t ha-1 and without bacteria). In contrast, FA 4 t ha-1, when applied without bacterial inoculation, resulted in reduced fresh biomass by 19.94% and dry biomass by 17.39%, respectively, compared to the control (FA 0 t ha-1 and without bacteria) which indicates the creation of toxicity at elevated doses. These findings suggest that the integrated use of low-dose FA and PGPB can sustainably enhance maize growth while minimizing environmental risks. The Application of appropriate doses of FA with PGPB can increase crop productivity and soil health simultaneously. Further field-based studies are recommended to validate scalability, optimize application rates, and assess the long-term impacts on soil health impacts.</dc:description>
	<dc:publisher xml:lang="en">Universitas Sebelas Maret</dc:publisher>
	<dc:date>2025-10-22</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://jurnal.uns.ac.id/tanah/article/view/103856</dc:identifier>
	<dc:identifier>10.20961/stjssa.v22i2.103856</dc:identifier>
	<dc:source xml:lang="en">SAINS TANAH - Journal of Soil Science and Agroclimatology; Vol. 22 No. 2 (2025): December; 317-327</dc:source>
	<dc:source>2356-1424</dc:source>
	<dc:source>1412-3606</dc:source>
	<dc:source>10.20961/stjssa.v22i2</dc:source>
	<dc:language>en</dc:language>
	<dc:relation>https://jurnal.uns.ac.id/tanah/article/view/103856/52059</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2025 Samir Gamal Al-Solaimani, Muhammad Abdusalam Al-Khamis, Ali Muhammad Zabraqy, Kamal Ahmed Mohammed Abo-Elyousr, Noor Muhammad, Muchammad Bima Gegana Sakti</dc:rights>
</oai_dc:dc>