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Type of publication: research article
Type of publication (PDB): Straipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)
Field of Science: Aplinkos inžinerija / Environmental engineering (T004)
Author(s): Buragienė, Sidona;Šarauskis, Egidijus;Romaneckas, Kęstutis;Sasnauskienė, Jurgita;Masilionytė, Laura;Kriaučiūnienė, Zita
Title: Experimental analysis of CO2 emissions from agricultural soils subjected to five different tillage systems in Lithuania
Is part of: Science of the total environment. Amsterdam : Elsevier Science BV, Vol. 514 (2015)
Extent: p. 1-9
Date: 2015
Keywords: Soil CO2 emissions;Soil temperature;Tillage systems;Meteorological conditions;Maize
Abstract: Intensive agricultural production strongly influences the global processes that determine climate change. Thus, tillage can play a very important role in climate change. The intensity of soil carbon dioxide (CO2) emissions, which contribute to the greenhouse effect, can vary depending on the following factors: the tillage system used, meteorological conditions (which vary in different regions of theworld), soil properties, plant residue characteristics and other factors. The main purpose of this research was to analyse and assess the effects of autumn tillage systems with different intensities on CO2 emissions from soils during different seasons and under the climatic conditions of Central Lithuania. The research was conducted at the Experimental Station of Aleksandras Stulginskis University from 2009 to2012; and in 2014. The soils at the experimental site were classified as Eutric Endogleyic Planosol (Drainic). The investigationswere conducted using five tillage systemswith different intensities, typical of the Baltic Region. Deep conventional ploughing was performed at a depth of 230–250 mm, shallow ploughing was conducted at a depth of 120–150 mm, deep loosening was conducted at depths of 250–270 mm, and shallow loosening was conducted at depths of 120–150 mm. The fifth system was a notillage system. Overall, autumn tillage resulted in greater CO2 emissions from the soil over both short- and long-term periods under the climatic conditions of Central Lithuania, regardless of the tillage system applied. The highest soil CO2 emissionswere observed for the conventional deep ploughing tillage system, and the lowest emissions were observed for the no-tillage system. The meteorological conditions greatly influenced the CO2 emissions from the soil during the spring. Soil CO2 emissions were enhanced as precipitation and the air and soil temperatures increased...[...]
Affiliation(s): Lietuvos agrarinių ir miškų mokslų centras
Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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