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Open AccessArticle
Physicochemical Characterization of Vineyard Stump-Derived Hydrochars and Pyrochars and Preliminary Grapevine Tolerance Screening
1
Department of Applied Physics, School of Industrial Engineering, University of Extremadura, Av. de Elvas. s/n, 06006 Badajoz, Spain
2
Department of Plant Biology, Ecology and Earth Sciences, Faculty of Science, University of Extremadura, 06006 Badajoz, Spain
*
Author to whom correspondence should be addressed.
Environments 2026, 13(2), 83; https://doi.org/10.3390/environments13020083 (registering DOI)
Submission received: 8 December 2025
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Revised: 15 January 2026
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Accepted: 23 January 2026
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Published: 2 February 2026
Abstract
This study explores a circular economy strategy for vineyard residue management through the conversion of pruning biomass into carbonaceous materials by hydrothermal carbonization (HTC) and pyrolysis (PYR), with and without iron (Fe) addition. A preliminary pot-based vegetation experiment was conducted as a screening assay to assess initial plant tolerance and exclude evident phytotoxic effects. Chlorophyll index values in grapevine leaves remained within physiological ranges across treatments and sampling dates, although no consistent treatment-related trends could be established. Overall, the results provide a physicochemical characterization of the carbonaceous materials derived from vineyard residues and demonstrate their initial compatibility with grapevine cultivation under controlled conditions. This work lays the groundwork at the material level for future, more comprehensive studies that integrate long-term soil, plant, and field assessments.
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MDPI and ACS Style
Díaz-Rasero, J.M.; Sosa, T.; Ledesma, B.; Román, S.
Physicochemical Characterization of Vineyard Stump-Derived Hydrochars and Pyrochars and Preliminary Grapevine Tolerance Screening. Environments 2026, 13, 83.
https://doi.org/10.3390/environments13020083
AMA Style
Díaz-Rasero JM, Sosa T, Ledesma B, Román S.
Physicochemical Characterization of Vineyard Stump-Derived Hydrochars and Pyrochars and Preliminary Grapevine Tolerance Screening. Environments. 2026; 13(2):83.
https://doi.org/10.3390/environments13020083
Chicago/Turabian Style
Díaz-Rasero, José Manuel, Teresa Sosa, Beatriz Ledesma, and Silvia Román.
2026. "Physicochemical Characterization of Vineyard Stump-Derived Hydrochars and Pyrochars and Preliminary Grapevine Tolerance Screening" Environments 13, no. 2: 83.
https://doi.org/10.3390/environments13020083
APA Style
Díaz-Rasero, J. M., Sosa, T., Ledesma, B., & Román, S.
(2026). Physicochemical Characterization of Vineyard Stump-Derived Hydrochars and Pyrochars and Preliminary Grapevine Tolerance Screening. Environments, 13(2), 83.
https://doi.org/10.3390/environments13020083
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