Biochar a Promising Soil Conditioner - Study on its Effect on Soil Properties and Carbon Sequestration

abstract

English

Soil represents a dynamic ecosystem, which is responsible for the vitality of living organisms both below and above the Earth surface. The traditional way of land cultivation means primarily the use of inorganic salts based on nitrogen, phosphorus and potassium (NPK). These salts provide nutrients to plants almost immediately but on a short time scale and negatively affects soil salinity and the life of soil microorganisms. One of the possible solutions to improve soils condition is the use of soil conditioners such as biochar – a solid product of pyrolysis of various biomass residues, which stabilize the organic carbon in soils. The work was focused on a description of routes how biochar affects soil fertility and physicochemical properties. For these purposes, we combined various extraction techniques to separate and subsequently characterize mobile fractions of biochars (containing the EBC certificate for the use in agriculture) with the pot cultivation experiments (model plant Zea mays), where we studied the application of these EBC biochar samples (0, 10 and 20 g/kg of soil) to the model soils (common soil types in the Czech Republic). The results of our work confirmed the biochar potential to improve soil fertility due to the continual release of macro and microelements and on a minor scale also the organic molecules to the surrounding soil.

biochar; extraction; organic matter; macro and micro elements; specific surface area; soil characterization

KALINA, M.; SOVOVÁ, Š.; TRUDIČOVÁ, M.; HAJZLER, J.; ŠIRŮČEK, D.; KUBÍKOVÁ, L.; POŘÍZKA, J.; SMILEK, J.; ENEV, V.

10. 11. 2021

LE PENSEUR di Antoinetta Andriouli

Brienza (PZ), Italy

978-88-95315-82-9

1st International Joint Congress on "Sustainable Management of Cultural Landscape in the context of the European Green Deal"

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