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Title: SOME REGULARITIES OF DEGRADATION OF (14C)-LABELED TEA (Tea Sinensis) BIOMASS IN RED AND BROWN FOREST SOILS
SOME REGULARITIES OF DEGRADATION OF (14C)-LABELED TEA (Tea Sinensis) BIOMASS IN RED AND BROWN FOREST SOILS

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Merab Mgeladze; Antaz Kikava; Zhana Tchitanava; Ilia Kalandadze; Besik Kalandadze
10.5593/sgem2022/5.1/s20.051
10.5593/sgem2022/5.1
1314-2704
978-619-7603-46-0
English
22
5.1
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Ecology and Environmental Protection
The studies using (14C)-labeled tea (Tea Sinensis) biomass have demonstrated that tea biomass is degraded in red (Nitisols Ferralic) and brown forest (Humic Cambisols) soils. The application of manganese sludge and manganese sulfate (MnSO4) in these soils increases the mineralization in both soil taxa evidencing an active participation of Mn ions in the degradation of phenolic substances. When applying manganese sludge and/or MnSO4 to the experimental samples, most of 14CO2 is released during the first 60 days as a result of the labeled tea biomass mineralization. The modification (decrease) of MgCO3 of hydrolysis pH reaction of both, the red (Nitisols Ferralic) and brown forest (Humic Cambisols) soil areas and the addition of manganese sludge and or MnSO4 to them dramatically (almost twice or thrice) increase the tea biomass mineralization rate, which was assessed by quantifying 14CO2. The amount of ash in all test reduces as compared to the reference what can be explained by the chemical properties of organic compounds produced as interim products during the biomass degradation.
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https://doi.org/10.5593/sgem2022/5.1/s20.051
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Proceedings of 22nd International Multidisciplinary Scientific GeoConference SGEM 2022
22nd International Multidisciplinary Scientific GeoConference SGEM 2022, 04 - 10 July, 2022
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Turkish Acad Sci.
399-406
04 - 10 July, 2022
website
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biomass, mineralization, environment, reaction, soil

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