IMPACT OF DIFFERENT SOIL TILLAGE SYSTEMS AND NITROGEN FERTILIZATION ON SOIL CARBON DIOXIDE (CO2) EMISSION FOR ORTHIC LUVISOL IN WESTERN SLOVAKIA
Jan Horak, Dusan Igaz, Elena Kondrlova, Tomas Borza, Jan Cimo
Pages: 88-95
Published: 1 Jun 2014
Views: 4,265
Downloads: 1,119
Citations: 2 (Google Scholar)
Abstract: Agricultural management practices such as soil tillage may influence decay rates of dead biomass, leading to the changes of soil CO2 emission. The aim of this study was to evaluate the effect of conventional tillage (CT) and reduced tillage (RT) combined with unamended control (N0) and addition of nitrogen fertilizers (N1) on soil CO2 emission from cropland during the studied period (April-December in 2012). Weekly CO2 flux, soil temperature, and soil water content were monitored during the studied period in western Slovakia. Soil CO2 emission generally did not differ between conventional tillage compared with reduced tillage for both nitrogen treatments. Daily soil CO2 emission averaged 87.2, 87.1, 98.2 and 102.9 kg CO2 ha-1 day-1 for CTN0, RTN0, CTN1, and RTN1, respectively. A significant correlation (p < 0.05) between the CO2 flux and soil temperature in conventionally and reduced tilled plots could lead to the easy conclusion that only the soil temperature (and not the soil moisture) was a controlling factor for fertilized and not fertilized plots, which wasn’t our case.
Keywords: soil co2 emission, conventional tillage, reduced tillage, agro-ecosystem
Cite this article: Jan Horak, Dusan Igaz, Elena Kondrlova, Tomas Borza, Jan Cimo. IMPACT OF DIFFERENT SOIL TILLAGE SYSTEMS AND NITROGEN FERTILIZATION ON SOIL CARBON DIOXIDE (CO2) EMISSION FOR ORTHIC LUVISOL IN WESTERN SLOVAKIA. Journal of International Scientific Publications: Ecology & Safety 8, 88-95 (2014). https://www.scientific-publications.net/en/article/1000078/
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