Effect of crop residues on CO2 flux in the CTF system during soil tillage by a disc harrow Lemken Rubin 9

T. Šima and M. Dubeňová
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T. Šima: Department of Machines and Production Systems, Faculty of Engineering, Slovak University of Agriculture in Nitra, Nitra, Slovak Republic
M. Dubeňová: Department of Production Engineering, Faculty of Engineering, Slovak University of Agriculture in Nitra, Nitra, Slovak Republic

Research in Agricultural Engineering, 2013, vol. 59, issue SpecialIssue, S15-S21

Abstract: Carbon dioxide is one of the most important greenhouse gases. Agriculture, especially soil tillage, contributes to CO2 emissions significantly. The aim of the paper was the comparison of the amounts of carbon dioxide emissions released from the soil into the atmosphere depending on the controlled traffic farming (CTF) and crop residues. Three variants of the experiment were realised: before the soil tillage, immediately after the soil tillage, and seven days after the soil tillage. The soil tillage was carried out after the harvest of winter wheat by disc harrow Lemken Rubin 9 with a tractor John Deere 8230 on the loamy soil. The monitoring points were selected in parts of the field with and without the crop residues and in trafficked and non-trafficked areas. The CTF system affects CO2 flux, the amounts of emissions from the non-trafficked areas being higher than those from the trafficked areas. The crop residues left on the field cause a decrease of CO2 flux. The incorporation of crop residues causes an increase of CO2 flux.

Keywords: carbon dioxide; emissions from the soil; controlled traffic farming; soil compaction (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlrae:v:59:y:2013:i:specialissue:id:46-2012-rae

DOI: 10.17221/46/2012-RAE

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