Soil Pollution and Remediation in Sustainable Agriculture

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Soil and Plant Nutrition".

Deadline for manuscript submissions: 30 November 2024 | Viewed by 526

Special Issue Editor


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Guest Editor
Departamento de Engenharia Rural, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
Interests: soil organic matter; animal manure; cover crops; heavy metal; aoil pollution
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Special Issue Information

Dear Colleagues,

Soil pollution refers to the presence of a chemical product or substance outside its natural environment and/or in a concentration higher than normal, which has adverse effects on any non-target organism. Currently, there are numerous sources of soil pollution in agricultural activities, such as the use of pesticides (fungicides, insecticides, and herbicides, among others), industrial fertilizers, animal waste, and industrial residues, among others. The main pollutant elements added to the soil with these products are heavy metals, such as arsenic (As), cadmium (Cd), chrome (Cr), copper (Cu), lead (Pb), and zinc (Zn), among others. Even essential heavy metals for plants, such as Cu and Zn, when present in excessive amounts in the soil, inhibit plant development, affect soil biota, and cause the contamination of water sources. Thus, the use of remediation techniques (chemical, physical, and biological, among others) in polluted soils is an important strategy to maintain soil productivity.

In this Special Issue, we aim to exchange knowledge on various aspects related to agricultural soil pollution as well as the use of remediation techniques to minimize the adverse effects caused by the application of pollutant elements, including, but not limited to, heavy metals.

Dr. Cledimar Rogério Lourenzi
Guest Editor

Manuscript Submission Information

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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. Agronomy 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 2600 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
  • animal wastes
  • organic compost
  • cover plants
  • no-tillage system
  • soil organic carbon
  • copper
  • zinc

Published Papers (1 paper)

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Research

13 pages, 1977 KiB  
Article
Uptake of Thallium(I) by Rice Seedlings Grown in Different Soils: Key Soil Properties Determining Soil Thallium Availability
by Liang-Sin Huang, Puu-Tai Yang, Yu-An Lu, Wei-Lin Liu, Tsung-Ju Chuang and Shan-Li Wang
Agronomy 2024, 14(4), 718; https://doi.org/10.3390/agronomy14040718 - 29 Mar 2024
Viewed by 403
Abstract
This study investigated the uptake of thallium (Tl) by rice seedlings grown in different soils with varying physiochemical properties and Tl levels to elucidate the key factors governing soil Tl availability and accumulation in rice plants. The bioconcentration factors of Tl in rice [...] Read more.
This study investigated the uptake of thallium (Tl) by rice seedlings grown in different soils with varying physiochemical properties and Tl levels to elucidate the key factors governing soil Tl availability and accumulation in rice plants. The bioconcentration factors of Tl in rice roots (2.5–25.6) and shoots (1.5–14.7) indicated high soil Tl availability and efficient uptake and translocation of Tl in rice plants, with significant variations across soil types. Growth suppression and visual toxic symptoms, such as stem buckling, yellowish leaf tips, and withering leaf edges, occurred at low soil Tl levels due to high Tl toxicity. The accumulation of Tl by rice plants was influenced by both soil and plant-related factors. Cation exchange reactions primarily influenced the concentration of Tl in soil solution, with potassium ions (K+) acting as competitors for cation exchange sites with Tl+ ions and effective inhibitors of Tl uptake by rice plants. Increasing soil K content may mitigate soil Tl availability in contaminated soils by reducing soil Tl(I) adsorption and plant uptake. This study elucidates the key mechanisms governing soil Tl bioavailability and highlights potential management strategies to reduce Tl accumulation in crops. Full article
(This article belongs to the Special Issue Soil Pollution and Remediation in Sustainable Agriculture)
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