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Effect of agricultural microplastic and mesoplastic in the vermicomposting process: Response of Eisenia fetida and quality of the vermicomposts obtained
Abstract
This work evaluates the effect of agricultural plastic waste (APW) in two particle sizes, microplastic and film debris, and subjected to a pre-treatment by exposure to UV-C, in the development of the vermicomposting process. Eisenia fetida health status and metabolic response and the vermicompost quality and enzymatic activity were determined. The environmental significant of this study is mainly related to how can affect plastic presence (depending on
[ver mas...]
This work evaluates the effect of agricultural plastic waste (APW) in two particle sizes, microplastic and film debris, and subjected to a pre-treatment by exposure to UV-C, in the development of the vermicomposting process. Eisenia fetida health status and metabolic response and the vermicompost quality and enzymatic activity were determined. The environmental significant of this study is mainly related to how can affect plastic presence (depending on plastic type, size and/or if it is partially degraded) not only to this biological process of organic waste degradation, but also to the vermicompost characteristics, since these organic materials will be reintroduced in the environment as organic amendments and/or fertilizers in agriculture. The plastic presence induced a significant negative effect in survival and body weight of E. fetida with an average decrease of 10% and 15%, respectively, and differences on the characteristics of the vermicomposts obtained, mainly related with NPK content. Although the plastic proportion tested (1.25% f. w.) did not induce acute toxicity in worms, effects of oxidative stress were found. Thus, the exposure of E. fetida to AWP with smaller size or pre-treated with UV seemed to induce a biochemical response, but the mechanism of oxidative stress response did not seem to be dependent on the size or shape of plastic fragments or pre-treated plastic.
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Author
Blesa Marco, Z.E.;
Sáez-Tovar, José;
Pedraza Torres, A.M.;
Martínez-Sabater, Encarnación;
Orden, Luciano;
Andreu-Rodríguez, Francisco Javier;
Bustamante, María Ángeles;
Marhuenda-Egea, F.C.;
López, M.J.;
Suárez-Estrella, F.;
Moral, Raúl;
Fuente
Environmental Pollution : 122027 (Available online 24 June 2023)
Date
2023-06
Editorial
Elsevier
ISSN
0269-7491
1873-6424
1873-6424
Formato
pdf
Tipo de documento
artículo
Palabras Claves
Derechos de acceso
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Metadata
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