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Agronomy
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Soil Pollution Assessment and Remediation, in the Framework of Health...
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Soil Pollution Assessment and Remediation, in the Framework of Health Improvement

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Agricultural Biosystem and Biological Engineering".

Deadline for manuscript submissions: closed (31 August 2023) | Viewed by 973

Special Issue Editors

Prof. Dr. Simona Vingiani

E-Mail Website
Guest Editor
Department of Agricultural Sciences, University of Naples Federico II, Via Università, 100, 80055 Portici, NA, Italy
Interests: PTE measurements (XRF handheld, ICP-OES); proximal sensors for soil spatial variability; soil survey and mapping; soil properties; andosols and landslides
Dr. Chiara Ferronato

E-Mail Website
Guest Editor
Department of Agriculture Hunt and Fishery, Territorial Planning and Sustainable Agriculture Area, Emilia Romagna Region (IT), Bologna, Italy
Interests: sustainable management of soil; regenerative agriculture; organic farming; organic fertilization; soil remediation; heavy metal contamination; soil monitoring; biochemical soil indicators; soil water relationship; subaqueous soil

Special Issue Information

Dear Colleagues,

Globally, widely contaminated rural and industrial areas are affected by a general lack of ex ante information on the type, quantity, and location of potentially hazardous substances; hence there is an urgent and increasing need for proper investigation tools to enable preliminary screening of soil pollution. Environmental pollution has a strong impact on soil health and, thus, the capacity of the soil to function as a vital living ecosystem to sustain plants, animals, and humans. Proximal soil sensors are non-invasive, time- and cost-efficient techniques for the measurement of within-field variations of soil properties at a very fine spatial scale that can overcome the limitations of spatially scarce data necessary for drawing accurate contaminant maps. Then, detailed analyses of the potential dispersion of contaminants, identification of exposure pathways, and the evaluation of direct and indirect risks for human and soil health in specific residential or commercial/industrial sites will address targeted prevention and remediation strategies. That is the work context of this Special Issue. We aim to collect contributions from in situ and laboratory experimental approaches, thus facilitating the sharing of knowledge on new protocols.

Prof. Dr. Simona Vingiani
Dr. Chiara Ferronato
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. 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

  • soil pollution
  • contaminant dispersion
  • remediation strategies
  • human and soil health

Published Papers (1 paper)

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Research

11 pages, 3515 KiB  
Article
An Analysis of Miscible Displacement and Numerical Modelling of Glyphosate Transport in Three Different Agricultural Soils
by Kamrun Nahar and Robert K. Niven
Agronomy 2023, 13(10), 2539; https://doi.org/10.3390/agronomy13102539 - 30 Sep 2023
Viewed by 783
Abstract
Since the introduction of genetically modified (GM) glyphosate-resistant crops, especially in Australia, the United States, and Canada, the use of glyphosate has exploded, raising concerns about its environmental effects both in terrestrial and aquatic environments. There are several factors that can affect the [...] Read more.
Since the introduction of genetically modified (GM) glyphosate-resistant crops, especially in Australia, the United States, and Canada, the use of glyphosate has exploded, raising concerns about its environmental effects both in terrestrial and aquatic environments. There are several factors that can affect the transport of glyphosate in soil, including the pH of the soil, the iron and aluminium oxides in the soil, and the structure of the soil, as well as the application time and microbial biodegradation in the soil. Furthermore, some field studies have shown that glyphosate, along with its degradation products, can be found deep in the aquatic environment and can contaminate groundwater by leaching, which implies that studying glyphosate leaching through agricultural soils is very crucial. The research in this study involves column-leaching experiments on glyphosate-dosed soils using application and flow rates representative of field conditions with bromide as a non-reactive tracer. To determine whether the observed behaviour of glyphosate is consistent with commonly recognized transport processes, the results obtained were incorporated into a one-dimensional transport model (HYDRUS 1D). Initially, physical transport parameters were determined by fitting experimental bromide breakthrough curves (BTCs) with analytical solutions to advection–dispersion equations (ADEs) for pulse boundary conditions at the upper end and zero-gradient conditions at the lower end. Then, these parameters and those from the sorption experiments were used in HYDRUS 1D to describe glyphosate transport behaviour. After three different glyphosate applications, the columns with soils C and A showed the highest glyphosate leaching rates, which is closely related to their macropore structures since bromide also leached at higher rates. A similar lower glyphosate leaching rate was found for soil B as for bromide BTC, indicating that competition between phosphorus and glyphosate for sorption sites did not result in higher rates of leaching. Full article
(This article belongs to the Special Issue Soil Pollution Assessment and Remediation, in the Framework of Health Improvement)
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