Long-Term Effect of Tillage Systems on Planosol Physical Properties, CO 2 Emissions and Spring Barley Productivity

Aušra Sinkevičienė (), Kęstutis Romaneckas, Karolina Jackevičienė, Toma Petrikaitė, Jovita Balandaitė and Rasa Kimbirauskienė ()
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Aušra Sinkevičienė: Department of Agroecosystems and Soil Sciences, Agriculture Academy, Vytautas Magnus University, Studentu Str. 11, Kaunas District, LT-53362 Akademija, Lithuania
Kęstutis Romaneckas: Department of Agroecosystems and Soil Sciences, Agriculture Academy, Vytautas Magnus University, Studentu Str. 11, Kaunas District, LT-53362 Akademija, Lithuania
Karolina Jackevičienė: Department of Agroecosystems and Soil Sciences, Agriculture Academy, Vytautas Magnus University, Studentu Str. 11, Kaunas District, LT-53362 Akademija, Lithuania
Toma Petrikaitė: Department of Agroecosystems and Soil Sciences, Agriculture Academy, Vytautas Magnus University, Studentu Str. 11, Kaunas District, LT-53362 Akademija, Lithuania
Jovita Balandaitė: Department of Agroecosystems and Soil Sciences, Agriculture Academy, Vytautas Magnus University, Studentu Str. 11, Kaunas District, LT-53362 Akademija, Lithuania
Rasa Kimbirauskienė: Department of Agroecosystems and Soil Sciences, Agriculture Academy, Vytautas Magnus University, Studentu Str. 11, Kaunas District, LT-53362 Akademija, Lithuania

Land, 2024, vol. 13, issue 8, 1-15

Abstract: As the population grows, more food is needed to keep the food supply chain running smoothly. For many years, intensive farming systems have been used to meet this need. Currently, due to intense climate change and other global natural problems, there is a shift towards sustainable use of natural resources and simplified methods of tillage. Soil tillage intensity influences the distribution of nutrients, and soil’s physical and mechanical properties, as well as gas flows. The impact of reduced tillage on these indices in spring barley cultivation is still insufficient and requires more analysis on a global scale. This study was carried out at Vytautas Magnus University, Agriculture Academy (Lithuania) in 2022–2023. The aim of the investigation was to determine the effect of the tillage systems on the soil temperature, moisture content, CO 2 respiration and concentration in spring barley cultivation. Based on a long-term tillage experiment, five tillage systems were tested: deep and shallow moldboard ploughing, deep cultivation-chiseling, shallow cultivation-chiseling, and no tillage Shallow plowing technology has been found to better conserve soil moisture and maintain higher temperatures in most cases. During almost the entire study period, the spring barley crop with deep cultivation had lower moisture content and lower soil temperature. Shallow cultivation fields in most cases increased CO 2 emissions and CO 2 concentration. When applying direct sowing to the uncultivated soil (10–20 cm), the concentration of CO 2 decreased from 0.01 to 0.148 percent. pcs. The results show that in direct sowing fields, most cases had a positive effect on crop density. Direct sowing fields resulted in significantly lower, from 7.9 to 26.5%, grain yields of spring barley in the years studied.

Keywords: soil moisture and temperature; spring barley; CO 2 emissions; tillage system (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2024
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