Plant Soil Environ., 2017, 63(8):342-347 | DOI: 10.17221/291/2017-PSE

Soil N2O emissions under conventional and reduced tillage methods and maize cultivationOriginal Paper

Beata RUTKOWSKA1, Wiesław SZULC*,1, Ewa SZARA1, Monika SKOWROŃSKA2, Tamara JADCZYSZYN3
1 Agricultural Chemistry Department, Faculty of Agriculture and Biology, Warsaw University of Life Sciences - SGGW, Warsaw, Poland
2 Department of Agricultural and Environmental Chemistry University of Life Sciences in Lublin, Lublin, Poland
3 Institute of Soil Science and Plant Cultivation - State Research Institute,

The study concerned the determination of nitrous oxide (N2O) emissions under conventional and reduced tillage conditions. In the reduced cultivation, a soil cultivating seed drill was used for simultaneous sowing of seeds and subsurface application of fertilizer. The emission levels of the gas tested were dependent on the year of the study and the method of soil tillage, and were subject to considerable changes during the growing season. The use of reduced soil tillage significantly limited emissions of the analysed gas into the atmosphere. Depending on the year of the study, N2O emission in the reduced tillage system was from 15% to 40% lower than in the conventional system. Low levels of easily mineralized components in soil could have been the cause of the reduction in N2O emissions to the atmosphere.

Keywords: greenhouse gas; global warming; Zea mays; conventional tillage

Published: August 31, 2017  Show citation

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RUTKOWSKA B, SZULC W, SZARA E, SKOWROŃSKA M, JADCZYSZYN T. Soil N2O emissions under conventional and reduced tillage methods and maize cultivation. Plant Soil Environ. 2017;63(8):342-347. doi: 10.17221/291/2017-PSE.
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