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A method to determine mineralization kinetics of a decomposable part of soil organic matter in the soil

Author

Listed:
  • L. Kolář

    (Faculty of Agriculture, University of South Bohemia in České Budějovice, Czech Republic)

  • F. Klimeš

    (Faculty of Agriculture, University of South Bohemia in České Budějovice, Czech Republic)

  • R. Ledvina

    (Faculty of Agriculture, University of South Bohemia in České Budějovice, Czech Republic)

  • S. Kužel

    (Faculty of Agriculture, University of South Bohemia in České Budějovice, Czech Republic)

Abstract

A new method was proposed that complements the value of active carbon in the soil expressed as hot-water soluble carbon Chws. The method is based on vacuum measurements of biochemical oxygen demand (BOD) of soil suspensions using an Oxi Top Control system manufactured by the WTW Merck Company that is destined for hydrochemical analyses of organically contaminated waters. Measurements will provide BOD values for particular days of incubation; total limit BODt can be determined from these values, and it is possible to calculate the rate constant k1 of mineralization of a decomposable part of soil organic matter. It is typical of soil organic matter (SOM) of a given soil sample and comparable with the BOD5:COD (chemical oxygen demand) ratio that is used to evaluate degradability of water organic contamination in hydrochemical analytics.

Suggested Citation

  • L. Kolář & F. Klimeš & R. Ledvina & S. Kužel, 2003. "A method to determine mineralization kinetics of a decomposable part of soil organic matter in the soil," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 49(1), pages 8-11.
    • Handle: RePEc:caa:jnlpse:v:49:y:2003:i:1:id:4082-pse
    DOI: 10.17221/4082-PSE
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    Citations

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    Cited by:

    1. R. Duffková & H. Macurová, 2011. "Soil biological quantity and quality parameters of grasslands in various landscape zones," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 57(12), pages 577-582.
    2. Hana KARABCOVÁ & Lubica POSPÍŠILOVÁ & Karel FIALA & Petr ŠKARPA & Marie BJELKOVÁ, 2015. "Effect of organic fertilizers on soil organic carbon and risk trace elements content in soil under permanent grassland," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 10(4), pages 228-235.
    3. L. Kolář & S. Kužel & A. Hanušová & J. Gergel & R. Ledvina & M. Šindelářová & Š. Silovská & P. Štindl, 2005. "The use of Spectroquant Merck BOD photometric test to evaluate the stabilityof organic matters in soil," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 51(1), pages 46-50.
    4. L. Kolář & M. Maršálek & J. Frelich & S. Kužel & P. Smetana & J. Zedníková & M. Švecová, 2009. "Changes in methane release from organic matter passing through the digestive tract of horses," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 54(3), pages 112-120.
    5. Stanislav KUŽEL & Ladislav KOLÁŘ & Jiří GERGEL & Jiří PETERKA & Jana BOROVÁ-BATT, 2010. "Influence of the degree of soil organic matter lability on the calcium carbonate equilibrium of soil water," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 5(2), pages 58-68.
    6. Ladislav Kolář & Rostislav Ledvina & Stanislav Kužel & František Klimeš & Pavel Štindl, 2006. "Soil Organic Matter and its Stability in Aerobic and Anaerobic Conditions," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 1(2), pages 57-64.
    7. L. Kolář & F. Klimeš & J. Gergel & M. Švecová, 2007. "Relationship between soil organic matter lability and liming requirement in acid sandy-loam cambisols," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 53(1), pages 24-32.

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