Bioremediation of Contaminated Soil, Wastewater and Biowaste in Agricultural System

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Ecosystem, Environment and Climate Change in Agriculture".

Deadline for manuscript submissions: closed (25 February 2026) | Viewed by 1089

Special Issue Editors


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Guest Editor
Department of Microbiology and Parasitology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain
Interests: bioremediation; organic contaminants; soil; water; sludge; degrading bacteria; degrading genes; ecotoxicity

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Guest Editor
Institute of Natural Resources and Agrobiology of Seville, Spanish National Research Council (IRNAS-CSIC), 41012 Seville, Spain
Interests: soil and water contamination; bioremediation; pollutant degradation; soil amendments; chemical environmental analysis; potentially toxic elements

Special Issue Information

Dear Colleagues,

The expansion of industry and agriculture, combined with population growth, has raised significant concerns within the scientific community regarding environmental pollution and the depletion of natural resources. Recycling wastewater for irrigation and organic wastes as soil amendments has become common to maintain agricultural yields. But these practices may cause the contamination of soil by both organic and inorganic compounds, resulting in major environmental and agricultural challenges, necessitating the development of sustainable and effective remediation strategies. Among these, bioremediation has emerged as a promising solution, utilizing microorganisms, plants, enzymes, and genetic processes to degrade, transform, or remove pollutants from various environmental matrices. It is widely recognized for its eco-friendly and cost-effective advantages when compared to conventional chemical and physical remediation methods.

This Special Issue focuses on innovative bioremediation technologies applied to agricultural systems, with an emphasis on biostimulation, bioaugmentation (using microbial consortia and isolated microorganisms capable of degrading specific contaminants), genomic bioaugmentation, phytoremediation, and enzymatic degradation, among others.

This Special Issue aims to showcase interdisciplinary studies that integrate microbiology, environmental science, and agronomy to promote sustainable pollution management practices. Topics of interest include, but are not limited to, the following:

  • Bioremediation of organic and inorganic pollutants in agricultural soils, wastewater, and biowastes.
  • Advances in microbial consortia and genetically engineered microorganisms for pollutant degradation.
  • Phytoremediation strategies and microorganism–plant interactions for soil and water cleanup.
  • Enzyme-based remediation techniques for agricultural waste management.

We invite researchers to submit their original research, reviews, and perspectives on cutting-edge advancements in bioremediation for contaminated soil, wastewater, and biowaste in agricultural contexts.

Dr. Alba Lara-Moreno
Dr. Fernando Madrid
Guest Editors

Manuscript Submission Information

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Keywords

  • soil contamination
  • wastewater treatment
  • environmental pollution
  • sustainable agriculture
  • microbial remediation
  • phytoremediation
  • environmental matrices
  • enhanced bioremediation
  • heavy metals
  • organic resistant pollutants

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Published Papers (1 paper)

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Review

37 pages, 1832 KB  
Review
Challenges in Remediation of Hg-Contaminated Agricultural Soils: A Literature Review
by Marin Senila, Cristina Balgaradean and Lacrimioara Senila
Agriculture 2026, 16(8), 849; https://doi.org/10.3390/agriculture16080849 - 11 Apr 2026
Viewed by 577
Abstract
Mercury (Hg) is a ubiquitous element in the environment that may pose a threat to human health due to its toxicity, high mobility through the food chain, and long-lasting persistence. Organic Hg compounds, particularly methylmercury, are more toxic than inorganic mercury due to [...] Read more.
Mercury (Hg) is a ubiquitous element in the environment that may pose a threat to human health due to its toxicity, high mobility through the food chain, and long-lasting persistence. Organic Hg compounds, particularly methylmercury, are more toxic than inorganic mercury due to their easy absorption and persistent retention within the organism. Although natural attenuation can occur in soil through various processes, excessive levels of Hg cause pollution that can adversely affect agricultural soil, making remediation necessary to either remove or stabilize Hg within the soil. This review primarily aims to summarize key remediation strategies—chemical, biological, and physical—developed in recent years for agricultural soil remediation. It discusses the influencing factors, advantages, limitations, mechanisms, and practical applications of these soil remediation technologies. The published literature focuses on identifying plant species and microorganisms capable of remediating Hg-contaminated soils. Emerging amendments, such as biochar and nanomaterials, have been tested for treating mercury (Hg)-polluted soils primarily by immobilizing mercury and reducing its bioavailability and methylation. Ex situ remediation technologies are effective for Hg-contaminated soils but are often costly, labor-intensive, detrimental to soil quality, and generate hazardous secondary waste. In contrast, in situ technologies treat Hg directly within the soil, preserving the soil matrix and its biota. According to the literature, remediation of Hg-contaminated agricultural soils can be compatible with food crop production only if the bioavailable Hg fraction is sufficiently reduced and crop uptake remains below food safety limits. The gap between laboratory trials and actual field applications in Hg-contaminated soil remediation mainly arises from differences in scale, complexity, and the uncertainty of real-world conditions, which often reduce the efficiency and predictability of treatments. This review aims to provide a practical reference for improving the effective remediation of Hg-contaminated soils in the future. Full article
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