Investigation of the intensity of carbon dioxide emissions by steppe soil when introducing fallow lands into circulation

Author:

Bobrenko Igor,Goman Natalia,Nezhevlyak Olga,Bobrenko Elena,Kormin Viktor

Abstract

The paper reflects the results of studying the temporal variability of carbon dioxide fluxes by the soils of deposits when they are introduced into agricultural circulation. The purpose of the research is to study the change in carbon dioxide emissions by the soils of fallow lands in the conditions of the steppe of Western Siberia. In 2022, research was conducted in the Omsk Region at key sites. The soils of the site are solodic, malodorous medium low-sodium columnar heavy loamy meadow-chernozem; cortical columnar heavy loamy saline meadow-chernozem, fine-grained low-humus heavy loamy meadow malt. Seasonal changes in carbon dioxide fluxes by soils on deposits when introduced into circulation using agrotechnical technology are significant (Figure 2) with a maximum in July (67.7 g CO2/m2/day) and a minimum in September (16.7 g CO2/m2/day); on deposits with combined technology, respectively, 54.4 and 14.1 g CO2/m2/day. Agrotechnical technology contributed to a greater emission of carbon dioxide from the soils of the deposit than combined. The system of agrotechnical techniques when introducing fallow soils into agricultural circulation has a significant impact on the release of carbon dioxide by the soil surface. Of the soil level of the deposit without treatment, it was 162% with agrotechnical technology (tillage), and with combined (tillage + herbicide application) 133%.

Publisher

EDP Sciences

Subject

General Medicine

Reference21 articles.

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2. Kanamatova D. A., Ensuring food security of the Russian Federation. The Eurasian Scientific Journal, 13(6):70ECVN621,

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