The effects of biochar grain size on radish plants under low water availability

Lenka Botyanszká, Justína Vitková, Natália Botková, Lucia Toková and Ján Gaduš
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Lenka Botyanszká: Institute of Hydrology, Slovak Academy of Sciences, Bratislava, Slovak Republic
Justína Vitková: Institute of Hydrology, Slovak Academy of Sciences, Bratislava, Slovak Republic
Natália Botková: Institute of Hydrology, Slovak Academy of Sciences, Bratislava, Slovak Republic
Lucia Toková: Institute of Hydrology, Slovak Academy of Sciences, Bratislava, Slovak Republic
Ján Gaduš: Institute of Environmental Management, Faculty of European Studies and Regional Development, Slovak University of Agriculture, Nitra, Slovak Republic

Plant, Soil and Environment, 2024, vol. 70, issue 4, 203-209

Abstract: Low water availability is a significant constraint on global crop production. Exploration is needed regarding plant responses to drought in interaction with biochar, encompassing optimised water use and carbon allocation strategies. The size of the biochar particles also plays an important role, especially in influencing the dynamics of water and plant growth. This study explored the potential impact of biochar treatment on radish growth and drought tolerance. Finer biochar particles lead to the most substantial available water content for plants, increasing at around 30%, while medium and larger fractions increase by about 22% and 16%, respectively, compared to control soil. The chlorophyll fluorescence technique showed improved water management of drought stress at larger fractions of biochar. Our research underscores the potential of biochar treatments for environmental stresses and water scarcity in modern agriculture.

Keywords: biochar fraction size; water stress; carbon rich material; silt loam soil (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:70:y:2024:i:4:id:414-2023-pse

DOI: 10.17221/414/2023-PSE

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