STUDY ON THE INFLUENCE OF BIOCHAR ON PHYSICO-CHEMICAL PROPERTIES OF SOIL

1 POLÁŠKOVÁ Nikola
Co-authors:
1 KALINA Michal 1 SOVOVÁ Šárka 1 SMILEK Jiří
Institution:
1 Brno University of Technology, Faculty of Chemistry, Materials Research Centre, Brno, Czech Republic, EU, Nikola.Polaskova@vut.cz, smilek@fch.vut.cz
Conference:
14th International Conference on Nanomaterials - Research & Application, OREA Congress Hotel Brno, Czech Republic, EU, October 19 - 21, 2022
Proceedings:
Proceedings 14th International Conference on Nanomaterials - Research & Application
Pages:
142-148
ISBN:
978-80-88365-09-9
ISSN:
2694-930X
Published:
23rd November 2022
Proceedings of the conference have already been published in Scopus and we are waiting for evaluation and potential indexing in Web of Science.
Metrics:
201 views / 133 downloads
Abstract

The paper is focused on assessment of the influence of biochar on the soil physico-chemical properties (specific gravity, bulk density, porosity, water retention capacity and maximum water holding capacity, oxidizable carbon content, total nitrogen content, phosphorus, potassium and magnesium content). The selected and examined soil types were: cambisol, fluvisol, chernozem and regosol. There were two types of biochar used for analysis ‒ NovoTerra and Sonnenerde. Soil samples were dried to constant weight and adjusted to grain-size fraction under 2 mm, respectively 0.25 mm. The oxidizable carbon content was measured by oxidation using a mixture of potassium dichromate and sulphuric acid (Walkley-Black method), the total nitrogen content was measured by Kjeldahl method and P, K and Mg content was measured using Mehlich 3 extraction and ICP-OES spectrometer. The results show that biochar has a significant influence on soil characteristics depending on the type of biochar and soil we use for biochar application.

Keywords: Biochar, soil, cambisol, chernozem, fluvisol, regosol

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