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Type of publication: Straipsnis Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or / and Scopus (S1)
Field of Science: Aplinkos inžinerija / Environmental engineering (T004);Ekologija ir aplinkotyra / Ecology and environmental sciences (N012)
Author(s): Buragienė, Sidona;Šarauskis, Egidijus;Romaneckas, Kęstutis;Adamavičienė, Aida;Kriaučiūnienė, Zita;Avižienytė, Dovilė;Marozas, Vitas;Naujokienė, Vilma
Title: Relationship between CO2 emissions and soil properties of differently tilled soils
Is part of: Science of the total environment. Amsterdam : Elsevier Science BV, 2019, Vol. 662
Extent: p. 786-795
Date: 2019
Keywords: CO2 emission;Soil tillage;Physical;Chemical and biological soil properties;Correlation;Meteorological conditions
Abstract: Different tillage technologies have different effects on CO2 emissions from soil. Unfortunately, little information exists about the impact of different types of tillage as compared with no-tillage, and the main controls. The aim of this research is to determine the relationship between physicomechanical, chemical and biological properties of soil and CO2 emissions from differently tilled soils under the climatic conditions of central Lithuania before and after autumn tillage. The studies were conducted in 2009–2012 and 2014 at the Experimental Station of Aleksandras Stulginskis University in Central Lithuania. Different tillage technologies were applied: deep ploughing at 23–25 cm depth (DP); shallow ploughing at 12–15 cm depth (SP); deep cultivation with a cultivator at 25–27 cm depth (DC); shallow cultivation with a disc harrow at 12–15 cm depth (SC); and no-tillage (NT). The correlation of physicomechanical, chemical and biological soil properties with CO2 emissions was determined. During all the experimental period total CO2 emissions from soil in DP, SP, DC, SC and NT technologies were respectively 6.05, 4.25, 4.97, 4.42, 3.94 μmol m−2 s−1 before autumn soil tillage and 29.88, 22.50, 16.73, 13.72, 10.00 μmolm−2 s−1 after autumn tillage. Negative correlation between soil temperature and CO2 emissions before the autumn tillage from soil was evidenced (r = −0.98). A strong negative correlation between soil respiration and total soil porosity was observed. Correlation between aeration soil porosity and CO2 emissions was strong. After autumn tillage, the strongest correlations were found between soil penetration resistance and respiration in the upper (r = −0.75) and deeper (r = −0.71) layers
Affiliation(s): Agronomijos fakultetas
Lietuvos agrarinių ir miškų mokslų centro Rumokų bandymų stotis
Miškų ir ekologijos fakultetas
Vytauto Didžiojo universitetas
Žemės ūkio inžinerijos fakultetas
Appears in Collections:1. Straipsniai / Articles
Universiteto mokslo publikacijos / University Research Publications

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