Organic Molecular Markers in Soils Ameliorated with Biochar

Authors

  • Irena Atanassova Institute of Soil Science, Agrotechnologies and Plant Protection “Nikola Poushkarov”
  • Milena Harizanova Institute of Soil Science, Agrotechnologies and Plant Protection “Nikola Poushkarov”
  • Maya Benkova Institute of Soil Science, Agrotechnologies and Plant Protection “Nikola Poushkarov”
  • Tsetska Simeonova Institute of Soil Science, Agrotechnologies and Plant Protection “Nikola Poushkarov”
  • Lyuba Nenova Institute of Soil Science, Agrotechnologies and Plant Protection “Nikola Poushkarov”

DOI:

https://doi.org/10.7546/CRABS.2022.03.18

Abstract

The study analyzed the organic molecular marker signatures in a maize cultivated Fluvisol ameliorated with 5 and 10 t.ha−1 biochar at the experimental field of the ISSAPP N. Poushkarov institute in Bulgaria. The n-alkane signatures and the carbon preference index (CPI) in the biochar treated soils revealed that sources of SOM were predominantly of microbial/thermal origin, while the source was only thermal in the pure biochar sample, (CPIodd/even0.84). There was evidence from the molecular marker analysis that biochar addition may initially bring improvement of soil microbiological status. There was no significant co-occurrence of polycyclic aromatic hydrocarbons released from biochar several months after incorporation in the soil.

Author Biographies

Irena Atanassova, Institute of Soil Science, Agrotechnologies and Plant Protection “Nikola Poushkarov”

Mailing Address:
Institute of Soil Science, Agrotechnologies and Plant Protection “Nikola Poushkarov”
7, Bansko Shosse St
1331 Sofia, Bulgaria

E-mail: i.d.atanassova@abv.bg

Milena Harizanova, Institute of Soil Science, Agrotechnologies and Plant Protection “Nikola Poushkarov”

Mailing Address:
Institute of Soil Science, Agrotechnologies
and Plant Protection “Nikola Poushkarov”
7, Bansko Shosse St
1331 Sofia, Bulgaria

E-mail: m.harizanova@mail.bg

Maya Benkova, Institute of Soil Science, Agrotechnologies and Plant Protection “Nikola Poushkarov”

Mailing Address:
Institute of Soil Science, Agrotechnologies
and Plant Protection “Nikola Poushkarov”
7, Bansko Shosse St
1331 Sofia, Bulgaria

E-mail: majaben@abv.bg

Tsetska Simeonova, Institute of Soil Science, Agrotechnologies and Plant Protection “Nikola Poushkarov”

Mailing Address:
Institute of Soil Science, Agrotechnologies
and Plant Protection “Nikola Poushkarov”
7, Bansko Shosse St
1331 Sofia, Bulgaria

E-mail: cecka_simeonova@abv.bg

Lyuba Nenova, Institute of Soil Science, Agrotechnologies and Plant Protection “Nikola Poushkarov”

Mailing Address:
Institute of Soil Science, Agrotechnologies
and Plant Protection “Nikola Poushkarov”
7, Bansko Shosse St
1331 Sofia, Bulgaria

E-mail: lyuba_dimova@abv.bg

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Published

27-03-2022

How to Cite

[1]
I. Atanassova, M. Harizanova, M. Benkova, T. Simeonova, and L. Nenova, “Organic Molecular Markers in Soils Ameliorated with Biochar”, C. R. Acad. Bulg. Sci. , vol. 75, no. 3, pp. 467–474, Mar. 2022.

Issue

Section

Agricultural Sciences