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5.1
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Journals
Processes
Special Issues
Soil Heavy Metal Pollution and Control
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Soil Heavy Metal Pollution and Control

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Environmental and Green Processes".

Deadline for manuscript submissions: closed (20 August 2022) | Viewed by 2514

Special Issue Editor

Dr. Yanan Wan

E-Mail Website
Guest Editor
College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
Interests: soil; heavy metal pollution; agronomy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Heavy metal pollution of agricultural soil is a global concern, as it can cause severe problems in living systems and damage the ecosystem. Therefore, it is urgent to develop novel and effective approaches for the removal of such heavy metals from the soil–plant system. Recent advancements in research have discovered soil amendments (clay minerals, biochar, nanomaterials and modified materials, etc.), phytoremediation, microbial methods, and combinations of microbial and biochemical methods, which are friendlier and more promising for reducing the pollution risk of heavy metals in agricultural soil.

Therefore, this Special Issue titled “Soil Heavy Metal Pollution and Control” seeks high-quality works focusing on the latest research-based studies on heavy metals, and novel strategies to reduce their risk in the soil–plant system. Relevant researchers throughout the world are invited to contribute their papers to this Special Issue. Topics include, but are not limited to, the following:

  • Transport and fate of heavy metals in the soil–plant system;
  • Risk assessment (models and methods) of heavy metal-polluted soil;
  • Physico-chemical method-based remediation strategies for soil heavy metal pollution and their application;
  • Bioremediation technologies for soil heavy metal pollution and their application;
  • Agronomic measures for the removal of heavy metals.

Dr. Yanan Wan
Guest Editor

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. Processes is an international peer-reviewed open access monthly 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 2400 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

  • heavy metal
  • risk assessment
  • soil amendment
  • passivation
  • physiological barrier
  • phytoremediation
  • microorganism remediation
  • agronomic measure

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Published Papers (1 paper)

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Research

15 pages, 2182 KiB  
Article
Cadmium in Rice Is Affected by Fertilizer-Borne Chloride and Sulfate Anions: Long-Term Field Versus Pot Experiments
by Babar Hussain, Yibing Ma, Jumei Li, Jusheng Gao, Aman Ullah and Nazia Tahir
Processes 2022, 10(7), 1253; https://doi.org/10.3390/pr10071253 - 23 Jun 2022
Cited by 6 | Viewed by 1941
Abstract
In order to investigate the effects of Cl− and SO42− based fertilizers on the accumulation of cadmium (Cd) in rice plants, a long-term experiment, which has been conducted since 1975, and a short-term pot experiment were designed. The results of [...] Read more.
In order to investigate the effects of Cl− and SO42− based fertilizers on the accumulation of cadmium (Cd) in rice plants, a long-term experiment, which has been conducted since 1975, and a short-term pot experiment were designed. The results of the long-term experiment showed that the highest total grain Cd was found in the treatment of fertilizers with rich Cl−, which was 72.7% higher compared to conventional fertilization (CF). However, there was no significant difference between the CF and fertilization with rich SO42− treatments. This phenomenon can be explained by the concentrations of the EDTA extractable Cd being significantly increased by 60% under Cl− treatment, while SO42− treatment showed no significant effect. In the short-term trial, compared to CF, Cd concentrations in the roots increased by 1.07 and 0.93 times in the Cl− and SO42− treated soils, respectively, under Cd1.2 exposure. Meanwhile, Cd concentrations in the shoots enhanced by 96% in Cl− treated soil but decreased by 34.6% in SO42− treated soil. It was therefore concluded that fertilizer-borne Cl− significantly increased the Cd concentration in rice grains in the long-term experiment, but fertilizer-borne SO42− had no significant effect on the Cd concentration in rice grains. However, in the pot experiment, SO42− based fertilizers decreased Cd transport to the shoots of a rice plant grown in a Cd contaminated soil. These findings will improve the rational fertilization of Cd contaminated soils and the production of safer rice. Full article
(This article belongs to the Special Issue Soil Heavy Metal Pollution and Control)
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