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Stability of soil aggregates and their ability of carbon sequestration

Author

Listed:
  • Vladimír ŠIMANSKÝ

    (Department of Soil Science, Faculty of Agrobiology and Food Resources and)

  • Daniel BAJČAN

    (Department of Chemistry, Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture in Nitra, Nitra, Slovak Republic)

Abstract

One of the most important binding agents for forming stable aggregates is a soil organic matter (SOM), which can be retained in various size fractions of aggregates. If aggregates are water-resistant, they retain more carbon. Therefore, the aim of this study was to evaluate the stability of aggregates and their ability of carbon sequestration in different soil types and soil management systems in Slovakian vineyards. The highest content of water-stable macro-aggregates (WSAma) was determined in Cambisols, and the lowest in Fluvisols. The highest content of WSAma (size fraction 0.5-3 mm) was determined in Chernozems, decreasing within the following sequence: Fluvisols > Leptosols > Cambisols > Luvisols. The soil type had a statistically significant influence on the re-distribution of soil organic matter in size fractions of water-stable aggregates. The highest content of SOM in water-stable aggregates of the vineyards was determined in grassy strips in-between the vineyard rows in comparison to intensively cultivated rows of vineyard. The highest values of carbon sequestration capacity (CSC) in WSAma were found in Cambisols > Leptosols and the lowest values of CSC were in Fluvisols. The micro-aggregates represented a significant carbon reservoir for the intensively cultivated soils (rows of vineyard). On the other hand, increasing of macro-aggregates (size fraction 0.5-3 mm) was characteristic for grassland soils (between the rows of vineyard).

Suggested Citation

  • Vladimír ŠIMANSKÝ & Daniel BAJČAN, 2014. "Stability of soil aggregates and their ability of carbon sequestration," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 9(3), pages 111-118.
    • Handle: RePEc:caa:jnlswr:v:9:y:2014:i:3:id:106-2013-swr
    DOI: 10.17221/106/2013-SWR
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    References listed on IDEAS

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    1. Václav KADLEC & Ondřej HOLUBÍK & Eva PROCHÁZKOVÁ & Jana URBANOVÁ & Martin TIPPL, 2012. "Soil organic carbon dynamics and its influence on the soil erodibility factor," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 7(3), pages 97-108.
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    Cited by:

    1. Andrej C. KIMURA & Maria Rita SCOTTI, 2016. "Soil aggregation and arbuscular mycorrhizal fungi as indicators of slope rehabilitation in the São Francisco River basin (Brazil)," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 11(2), pages 114-123.

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