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Future Phytoremediation Practices for Metal-Contaminated Soils
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Special Issue "Future Phytoremediation Practices for Metal-Contaminated Soils"

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant–Soil Interactions".

Deadline for manuscript submissions: 31 October 2023 | Viewed by 2012

Special Issue Editors

Prof. Dr. Maria Manuela Abreu

E-Mail Website
Guest Editor
Linking Landscape, Environment, Agriculture and Food (LEAF), Research Center, Associated Laboratory TERRA, Instituto Superior de Agronomia (ISA), Universidade de Lisboa, Tapada da Ajuda, 1349-017 Lisboa, Portugal
Interests: phytoremediation of contaminated sites; potential hazardous elements in soil/plant systems; in situ remediation low cost techniques for mine wastes/degraded soils recovery by using Technosols and tolerant plants (spontaneous and non-accumulator edible plants)
Special Issues, Collections and Topics in MDPI journals
Dr. Carmen Pérez-Sirvent

E-Mail Website
Guest Editor
Department of Agricultural Chemistry, Geology and Pedology, Universidad de Murcia, Department of Agricultural Chemistry, Murcia, Spain
Interests: reclamation of contaminated areas; sustainable solutions for the rehabilitation of degraded and contaminated sites such as the application of technosols and wetlands; mine soils and AMD; assessment of health and ecosystem risks caused by potentially toxic elements
Dr. Erika S. Santos

E-Mail Website
Guest Editor
Instituto Superior de Agronomia, LEAF—Linking Landscape, Environment, Agriculture and Food—Research Center, Tapada da Ajuda, Universidade de Lisboa, 1349-017 Lisboa, Portugal
Interests: evaluation of physic-chemical, biological and ecotoxicological quality of degraded/contaminated soils and tailings; environmental rehabilitation of degraded/contaminated areas with green-technologies (phytostabilization, technosols, biochar, nanoparticles, …) and their valorization; plant-soil system

Special Issue Information

Dear Colleagues,

Soil contamination is a worldwide problem with a direct impact on food security, human health and the environment. Human activities are the main sources of soil contamination, such as unsustainable farming practices, industrial and mining activities, sewage and waste disposal, contributing to increase the concentration of potentially toxic substances [chemical elements (e.g. metals, semimetals, radionuclides) and organic compounds] in ecosystems. The development of technologies for the rehabilitation of soil properties, including its fertility and quality is a challenge. Eco-friendly and efficient technologies should be introduced and encouraged to meet Sustainable Development Goals.

Phytoremediation practices that consider the soil-plant system, and particularly the rhizosphere area and soil biota, are environmentally friendly, sustainable, accessible and effective approaches to the recovery of contaminated/polluted soils and ecosystems. They also increase soil organic matter, carbon sequestration and stabilization of inorganic contaminants and the degradation of organic contaminants in soils.

This Special Issue of Plants welcomes articles that present research results in all fundamental and applied fields of Phytoremediation techniques.

 

Prof. Dr. Maria Manuela Abreu

Prof. Carmen Perez-Sirvent

Prof. Dr. Erika Silva Santos

 

Guest Editors

Prof. Dr. Maria Manuela Abreu
Dr. Carmen Pérez-Sirvent
Dr. Erika S. Santos
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Plants is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Soil phytoremediation
  • Eco-friendly technologies
  • Potentially hazardous elements
  • Soil contamination

Published Papers (2 papers)

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Article
A Green Solution for the Rehabilitation of Marginal Lands: The Case of Lablab purpureus (L.) Sweet Grown in Technosols
by
Antonio Aguilar-Garrido
,
Marino Pedro Reyes-Martín
,
Patrícia Vidigal
and
Maria Manuela Abreu
Plants 2023, 12(14), 2682; https://doi.org/10.3390/plants12142682 - 18 Jul 2023
Viewed by 604
Abstract
Reclamation of abandoned mining areas can be a potentially viable solution to tackle three major problems: waste mismanagement, environmental contamination, and growing food demand. This study aims to evaluate the rehabilitation of mining areas into agricultural production areas using integrated biotechnology and combining [...] Read more.
Reclamation of abandoned mining areas can be a potentially viable solution to tackle three major problems: waste mismanagement, environmental contamination, and growing food demand. This study aims to evaluate the rehabilitation of mining areas into agricultural production areas using integrated biotechnology and combining Technosols with a multipurpose (forage, food, ornamental and medicinal) drought-resistant legume, the Lablab purpureus (L.) Sweet. Two Technosols were prepared by combining gossan waste (GW) from an abandoned mining area with a mix of low-cost organic and inorganic materials. Before and after plant growth, several parameters were analysed, such as soil physicochemical characteristics, nutritional status, bioavailable concentrations of potentially hazardous elements (PHE), soil enzymatic activities, and development and accumulation of PHE in Lablab, among others. Both Technosols improved physicochemical conditions, nutritional status and microbiological activity, and reduced the bioavailability of most PHE (except As) of GW. Lablab thrived in both Technosols and showed PHE accumulation mainly in the roots, with PHE concentrations in the shoots that are safe for cattle and sheep consumption. Thus, this is a potential plant that, in conjunction with Technosols, constitutes a potential integrated biotechnology approach for the conversion of marginal lands, such as abandoned mining areas, into food-production areas. Full article
(This article belongs to the Special Issue Future Phytoremediation Practices for Metal-Contaminated Soils)
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Article
Use of Three Different Nanoparticles to Reduce Cd Availability in Soils: Effects on Germination and Early Growth of Sinapis alba L.
by
Rocío González-Feijoo
,
Andrés Rodríguez-Seijo
,
David Fernández-Calviño
,
Manuel Arias-Estévez
and
Daniel Arenas-Lago
Plants 2023, 12(4), 801; https://doi.org/10.3390/plants12040801 - 10 Feb 2023
Cited by 1 | Viewed by 1058
Abstract
Globally, cadmium (Cd) is one of the metals that causes the most significant problems of contamination in agricultural soils and toxicity in living organisms. In this study, the ability of three different nanoparticles (dose 3% w/w) (hydroxyapatite (HANPs), maghemite (MNPs), [...] Read more.
Globally, cadmium (Cd) is one of the metals that causes the most significant problems of contamination in agricultural soils and toxicity in living organisms. In this study, the ability of three different nanoparticles (dose 3% w/w) (hydroxyapatite (HANPs), maghemite (MNPs), or zero-valent iron (FeNPs)) to decrease the availability of Cd in artificially contaminated agricultural soil was investigated. The effect of Cd and nanoparticles on germination and early growth of Sinapis alba L. was also assessed by tolerance/toxicity bioassays. The available Cd contents in the contaminated soil decreased after treatment with the nanoparticles (available Cd decreased with HANPs: >96.9%, MNPs: >91.9%, FeNPs: >94%), indicating that these nanoparticles are highly efficient for the fixation of available Cd. The toxicity/tolerance bioassays showed different behavior for each nanoparticle. The HANPs negatively affected germination (G(%): 20% worsening compared to control soil), early root growth (Gindex: −27.7% compared to control soil), and aerial parts (Apindex: −12%) of S. alba, but showed positive effects compared to Cd-contaminated soils (Gindex: +8–11%; Apindex: +26–47%). MNP treatment in Cd-contaminated soils had a positive effect on germination (G(%): 6–10% improvement) and early growth of roots (Gindex: +16%) and aerial parts (Apindex: +16–19%). The FeNPs had a positive influence on germination (G(%): +10%) and growth of aerial parts (Apindex: +12–16%) but not on early growth of roots (Gindex: 0%). These nanoparticles can be used to reduce highly available Cd contents in contaminated soils, but MNPs and FeNPs showed the most favorable effects on the early growth and germination of S. alba. Full article
(This article belongs to the Special Issue Future Phytoremediation Practices for Metal-Contaminated Soils)
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