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Distinctive Features of Composts of Different Origin: A Thorough Examination of the Characterization Results

Ana Catarina Silva (), Ana Teixeira (), Juan Antelo (), Patrícia Valderrama (), Rui Oliveira (), Ana Cunha (), Renaud Gley (), José Paulo Pinheiro (), Sarah Fiol () and Fátima Bento ()
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Ana Catarina Silva: Centre of Chemistry, Department of Chemistry, Campus de Gualtar, University of Minho, 4710-057 Braga, Portugal
Ana Teixeira: Centre of Molecular and Environmental Biology (CBMA), Department of Biology, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
Juan Antelo: Cross-Disciplinary Research Centre in Environmental Technologies (CRETUS), Department of Soil Science and Agricultural Chemistry, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
Patrícia Valderrama: Campus Campo Mourão (UTFPR-CM), Universidade Tecnológica Federal do Paraná, Campo Mourão 87301-006, Paraná, Brazil
Rui Oliveira: Centre of Molecular and Environmental Biology (CBMA), Department of Biology, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
Ana Cunha: Centre of Molecular and Environmental Biology (CBMA), Department of Biology, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
Renaud Gley: Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), Université de Lorraine/CNRS, UMR 7360, F-54000 Nancy, France
José Paulo Pinheiro: Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), Université de Lorraine/CNRS, UMR 7360, F-54000 Nancy, France
Sarah Fiol: Cross-Disciplinary Research Centre in Environmental Technologies (CRETUS), Department of Physical Chemistry, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
Fátima Bento: Centre of Chemistry, Department of Chemistry, Campus de Gualtar, University of Minho, 4710-057 Braga, Portugal

Sustainability, 2022, vol. 14, issue 12, 1-18

Abstract: The potential of composts produced from different origin residues to be used in environmentally friendly agriculture is addressed in this work. Seven composts obtained from different raw materials and composting methodologies are compared using elemental, thermal and spectroscopic characterization data. Despite the stabilization of the organic matter in all composts being adequate for agricultural applications, they display distinct elemental and structural compositions. Likewise, the fertilisers have very different effects on lettuce growth. Despite the observed differences, some common features were found, namely a mass loss (TGA) of 25.2 g per mol C, association between groups of elements ( Fe , Al , Ni , Co , Cr , Cu and S ; Mg , Na , K and P , C , C oxi , N and Pb ) and correlations between the amount of carbon nanostructures and the characteristic aromaticity parameters. These results suggest that the tuning of the compost features for specific cultures may be possible for sustainable food production.

Keywords: compost; vermicompost; urban biowastes; algae biomass; PCA analysis (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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