Journal of Food, Agriculture and Environment

Vol 9, Issue 2,2011
Online ISSN: 1459-0263
Print ISSN: 1459-0255

Soil temperature and gas (CO2 and O2) emissions from soils under different tillage machinery systems


Sidona Buragienė 1*, Egidijus Šarauskis 1, Kęstutis Romaneckas 2, Antanas Sakalauskas 1, Arnoldas Užupis 3, Evaldas Katkevičius 1

Recieved Date: 2011-01-12, Accepted Date: 2011-04-04


With the intensive development of industry, agriculture, forestry, public utilities, and other fields, the issue of climate change has been discussed actively. Increasing emissions of CO2 greenhouse gas is one of the most important causes of the climate change. In agriculture, soil and processes occurring therein form one of the biggest sources of CO2 emissions into the environment. The main objective of this study is to establish the impact of different tillage machines on the emission of CO2 and O2 from soil, to study the dynamics of the upper soil level temperature before and after tillage, and during plant vegetation. The experimental studies of Calcareous hypogleyic luvisol were carried out at the Experimental Station of the Lithuanian University of Agriculture in 2009-2010. The following 5 different tillage machinery systems were applied for the studies: (DP) deep ploughing up to 25 cm depth; (SP) shallow ploughing up to 12 cm depth; (DC) deep chisel cultivation up to 30 cm depth; and (SC) shallow loosening with disc harrow up to 12 cm depth and (DD) direct drilling (no-tilled soil). The studies allowed establishing that the selection of the tillage machinery system influences the emission of CO2 greenhouse gas from soil. The highest CO2 gas emissions were found in case of intensive ploughing (551 ppm); the lowest emissions were observed from soils subjected to hallow loosening with disc harrow and from no-tilled soils (330 ppm). No significant differences in O2 gas emissions in case of applying different tillage machinery systems were established. All options of autumn tillage machinery systems case a decrease in the temperature of the upper layer of soil, while spring ones increase it compared to no-tilled soil.


Tillage machinery systems, CO2 and O2 gas emissions, soil temperature

Journal: Journal of Food, Agriculture and Environment
Year: 2011
Volume: 9
Issue: 2
Category: Environment
Pages: 480-485

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