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: 15 April 2025 | Viewed by 401

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

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 (1 paper)

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Research

20 pages, 3347 KiB  
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 (registering DOI) - 18 Oct 2024
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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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