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Title: TEMPORAL VARIATIONS IN GREENHOUSE GAS EMISSIONS FROM AGRICULTURAL SOILS
TEMPORAL VARIATIONS IN GREENHOUSE GAS EMISSIONS FROM AGRICULTURAL SOILS

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Kristine Valujeva; Jovita Pilecka-Ulcugaceva; Kristaps Siltumens; Olga Skiste; Inga Grinfelde
10.5593/sgem2024/3.1/s13.39
10.5593/sgem2024/3.1
1314-2704
978-619-7603-70-5
English
24
3.1
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Soils
Soil moisture, soil temperature, nutrient availability, and land use practices affect the GHG emissions from soils. In this study, the aim is to determine and analyse GHG emissions from agricultural soils in five monitoring sites. The mobile spectrophotometer Picarro G2508 is used for the quantification of N2O, CH4, and CO2 soil flux across five monitoring sites used for agricultural production during the growing seasons from 2017 to 2023. Findings reveal significant variations in GHG emissions across the monitoring sites. Specifically, the average N2O emissions at monitoring sites used form agricultural production varied from 3.73 to 46.54 g N2O ha-1 day-1, while the average CO2 emissions ranged from 65.75 to 166.08 kg CO2 ha-1 day-1, and CH4 assimilation ranged from 1.50 to 5.30 g CH4 ha-1 day-1. Meteorological conditions exert a considerable effect on soil microbiological activity within a growing season, further impacting GHG emissions. These findings highlight the complex interplay between soil dynamics, environmental factors, and GHG emissions in agricultural systems. This study contributes valuable insights into the understanding of GHG emissions from agricultural soils, providing essential information for policymakers, land managers, and stakeholders involved in developing sustainable agricultural practices and mitigating climate change.
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[9] Valujeva, K., Pilecka-Ulcugaceva, J., Skiste, O., Liepa, S., Lagzdins, A., Grinfelde, I. Soil tillage and agricultural crops affect greenhouse gas emissions from Cambic Calcisol in a temperate climate, Acta Agriculturae Scandinavica, Section B — Soil & Plant Science 2022, 72:1, 835-846, DOI: 10.1080/09064710.2022.2097123
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[11] Muhlbachova G, Ruzek P, Kusa H, Vavera R. CO2 emissions from soils under different tillage practices and weather conditions. Agronomy. 2023; 13(12):3084. https://doi.org/10.3390/agronomy13123084
The research was funded by ‘Assessment of the Impact of Land Reclamation on the Reduction of Climate Change (Flood Risk)’, of the Ministry of Agriculture of the Republic of Latvia.
conference
https://doi.org/10.5593/sgem2024/3.1/s13.39
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Proceedings of 24th International Multidisciplinary Scientific GeoConference SGEM 2024
24th International Multidisciplinary Scientific GeoConference SGEM 2024, 1 - 07 July, 2024
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian 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; Russian Acad Arts; Turkish Acad Sci.
321-328
1 - 07 July, 2024
website
9705
nitrous oxide, carbon dioxide, methane, Picarro G2508, land management

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