Pesticide Residues Abatement: A Central to Regenerative Agriculture

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Farming Sustainability".

Deadline for manuscript submissions: closed (20 March 2026) | Viewed by 4133

Special Issue Editors


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Guest Editor
Escuela de Nutrición y Dietética, Facultad de Ciencias para el Cuidado de la Salud, Universidad San Sebastián, Sede Los Leones, Providencia 7500000, Chile
Interests: pesticide residues; non-thermal technologies

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Guest Editor
Chemical Engineering Department, Universidad de La Frontera, Avenida Francisco Salazar 01145, Temuco 4780000, Chile
Interests: pesticides; environmental biotechnology
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Special Issue Information

Dear Colleagues,

Pesticides are used in agriculture to control weeds, pests, and diseases, increasing crop yields. However, the overuse and misuse of pesticides can lead to a high number of residues in food products, soils, and water bodies, increasing the risk to the environment, human health, and biodiversity. Pursuing sustainable agriculture is more important than ever as we strive to feed a growing population while preserving our environment. The strategies for pesticide residue abatement include a range of multidimensional approaches, particularly on innovative practices that can help us achieve regenerative agriculture. The journal Agronomy proposes this Special Issue to showcase the latest high-quality research on this area. We welcome submissions of original articles, systematic reviews, and meta-analyses.

The following subtopics are welcome:

  • Novel technologies to reduce pesticide residues in food, soils, and water;
  • Impact of pesticide residues on soil health;
  • Evidence of pesticide residues in food, soils, and water bodies and risk assessment;
  • Surveillance and enforcement of pesticide residues in soil, food, and water bodies;
  • The role of biopesticides in the reduction of pesticide residues.

Prof. Dr. Sebastián Andres Elgueta Palma
Prof. Dr. Maria Cristina Diez
Guest Editors

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Keywords

  • pesticide residues
  • green technologies
  • risk assessment

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Published Papers (2 papers)

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Research

19 pages, 2209 KB  
Article
Aquatic Ecotoxicity Risk Assessment of Difenoconazole and Its Transformation Residues Using Experimental–In Silico Integrated Approach
by Constantina-Bianca Vulpe, Cosmina-Alecsia Cosma, Andrijana Pujicic, Bianca-Vanesa Agachi, Adriana Isvoran and Adina-Daniela Iachimov-Datcu
Agronomy 2026, 16(8), 774; https://doi.org/10.3390/agronomy16080774 - 9 Apr 2026
Viewed by 444
Abstract
Difenoconazole is a triazole fungicide used to ensure sustainable agricultural, although it may also affect the aquatic environment. This study assessed the effects of this fungicide by both an experimental and a computational approach. The experimental assessment involved the acute exposure of Lemna [...] Read more.
Difenoconazole is a triazole fungicide used to ensure sustainable agricultural, although it may also affect the aquatic environment. This study assessed the effects of this fungicide by both an experimental and a computational approach. The experimental assessment involved the acute exposure of Lemna minor to different concentrations of difenoconazole and the determination of main endpoints such as number of fronds and colony, as well as secondary endpoints represented by gravimetric, morphometrical and biochemical parameters. The in silico analysis consisted of the testing of difenoconazole and 14 of its transformation residues (TRs), using three computational tools (admetSAR, ADMETlab and T.E.S.T.) to assess either their toxicological endpoints (EC50, IGC50) or their probability of affecting a range of model aquatic organisms. The results highlighted a concentration-dependent effect of difenoconazole on both main and secondary endpoints. The calculated EC50 value was 2.47 mg/L (data validated by EC50 on Lemna gibba from Pesticides Properties DataBase), which categorizes difenoconazole as moderately toxic in the aquatic environment. The in silico assessment showed that two of the TRs showed lower toxicity, with these having only one aromatic ring compared to the others analyzed. Full article
(This article belongs to the Special Issue Pesticide Residues Abatement: A Central to Regenerative Agriculture)
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20 pages, 3347 KB  
Article
Optimized Rhamnolipid Production by a Pseudomonas marginalis C9 Strain Isolated from a Biopurification System to Enhance Pesticide Solubilization
by Bárbara Caniucura, Heidi Schalchli, Gabriela Briceño, Marcela Levío-Raimán, Vanessa A. L. Rocha, Denise M. G. Freire and M. Cristina Diez
Agronomy 2024, 14(10), 2416; https://doi.org/10.3390/agronomy14102416 - 18 Oct 2024
Cited by 5 | Viewed by 2845
Abstract
Biopurification systems designed for pesticide treatment are a source of diverse bacteria with environmental and biotechnological applications, including Pseudomonas marginalis C9, which has been reported as a biosurfactant-producing bacterium. The optimization of biosurfactant produced from P. marginalis C9 to enhance the solubility of [...] Read more.
Biopurification systems designed for pesticide treatment are a source of diverse bacteria with environmental and biotechnological applications, including Pseudomonas marginalis C9, which has been reported as a biosurfactant-producing bacterium. The optimization of biosurfactant produced from P. marginalis C9 to enhance the solubility of a hydrophobic pesticide of environmental interest was investigated. The response surface methodology (RSM) was used to optimize the combined effect of the initial pH (5–9), agitation (100–300 rpm), and temperature (24–32 °C) on biosurfactant production. A DASbox® automated mini-bioreactor system was used to evaluate the critical factors in biosurfactant production using a full factorial design (FFD). The results showed that the optimal culture conditions using RSM were a pH of 8.5, a temperature of 25 °C, and agitation at 200 rpm. The extraction yield of the biosurfactant was 7.40 g L−1, the surface tension was reduced to 27.45 mN m−1, and the critical micelle concentration (CMC) was 48.9 mg L−1. The FFD analysis indicated that a high agitation rate (300 rpm) strongly influenced the biosurfactant activity, regardless of the inlet oxygen supply (0.5–1.5 vvm). The rhamnolipid increased the water solubility of chlorpyrifos by 11.2- and 21.7-fold at the CMC and twice the CMC, respectively. Full article
(This article belongs to the Special Issue Pesticide Residues Abatement: A Central to Regenerative Agriculture)
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