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The biochar effect on soil respiration and nitrification

Author

Listed:
  • Barbora ŠLAPÁKOVÁ

    (Department of Microbiology, Nutrition and Dietetics, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • Julie JEŘÁBKOVÁ

    (Department of Soil Science and Soil Protection, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • Karel VOŘÍŠEK

    (Department of Microbiology, Nutrition and Dietetics, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • Václav TEJNECKÝ

    (Department of Soil Science and Soil Protection, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • Ondřej DRÁBEK

    (Department of Soil Science and Soil Protection, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

Abstract

Soil microorganisms play a main role in the nutrient cycle and they also play an important role in soil health. This article studies the influence of three rates of biochar (0.5, 1 and 3%) in comparison with control (0 biochar) in two different soils (Valečov and Čistá) on soil microbiota activities. The biochar was prepared from 80% of digestate from Zea mays L. and 20% of cellulose fibres by pyrolysis (470°C, 17 min). The biochar ability to influence microbial processes in soil was determined by respiration and nitrification tests. There were no significant differences between basal respiration of control samples and biochar-amended samples. Basal respiration in the Valečov soil reached average amounts from 1.32 to 1.52 mg CO2/h/100 g. In the Čistá soil, basal respiration reached average amounts from 1.40 to 1.49 mg CO2/h/100 g. No significant differences were proved also in nitrification tests of both soils. Nitrifying potential was the highest in 3% rate of biochar amendment. There were no negative changes in the measured soil parameters. CO2 efflux was not higher in biochar-amended soil.

Suggested Citation

  • Barbora ŠLAPÁKOVÁ & Julie JEŘÁBKOVÁ & Karel VOŘÍŠEK & Václav TEJNECKÝ & Ondřej DRÁBEK, 2018. "The biochar effect on soil respiration and nitrification," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 64(3), pages 114-119.
    • Handle: RePEc:caa:jnlpse:v:64:y:2018:i:3:id:13-2018-pse
    DOI: 10.17221/13/2018-PSE
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    1. L. Růžek & M. Růžková & M. Koudela & L. Bečková & D. Bečka & Z. Kruliš & E. Šárka & K. Voříšek & Š. Ledvina & B. Šalounová & J. Venyercsanová, 2015. "Biodegradation of composites based on maltodextrin and wheat B-starch in compost," Horticultural Science, Czech Academy of Agricultural Sciences, vol. 42(4), pages 209-214.
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