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September 02-03, 2019 | Berlin, Germany
6th World Conference on Climate Change
Volume 10 Journal of Earth Science & Climatic Change
ISSN: 2157-7617 Climate Change 2019
September 02-03, 2019
Carbon sequestration in the soil fertilized with digestate as a method of mitigating the CO2 emissions
Katarzyna Wójcik Oliveira
Lublin University of Technology, Poland
The currently observed increase of the CO2 concentration in the atmosphere contributes to the global warming.
Carbon sequestration is one of the ways to mitigate the CO2 emissions to the atmosphere. Soil can play a
significant role in carbon retention and reduction of the greenhouse effect. On the other hand, soils especially
degraded ones and that used as agricultural land require fertilization. One of the method of improving the fertility
of the soils involves using the organic waste, which can be a valuable source of nutrients and has a positive effect on
the physical and physicochemical properties of soils. The effect of digestate properties on carbon fate in soil were the
aim of the study. The pot experiment with using slightly acid soil (pH 5.6) and two types of digestates: (a) from the
biogas plant and (2) the anaerobically stabilized sewage sludge from a municipal wastewater treatment plant were
conducted. The digestates were added to the soil in doses that increase the initial carbon concentration to 2% dry
weight, and the pots which included the soil-waste mixtures and soil alone (as control sample) were incubated at
20°C for 60 days in thermostated chamber. During the experiment the soil samples (in three repetitions) were taken
four times, after the 1st, 3rd , 6th and 9th week. The significant decrease of organic carbon content were observed until
the 6th week, and then the carbon content was stabilized. In the soil without amendments, the content of organic
carbon did not change significantly.
Recent Publications
1. Borowski G., StępniewskiW.,WójcikOliveiraK. 2017. Effect of starch binder for properties of charcoal briquettes,
International Agrophysics, Vol. 31, Issue 4, 571-574.
2. M., G. Niedbała, M. Adamski, M. Czechlowski, T. Wojciechowski, A. Czechowska-Kosacka, K. Wójcik-Oliveira,
2018. Modeling Methods and Predicting Potato Yield - Examples and Possibilities of Application, Journal of
Research and Applications in Agricultural Engineering, Vol. 63(4).
3. Kujawska J., Wójcik-Oliveira K, Effect of vermicomposting on concentration of heavy metals in soil with drill
cuttings, Journal of Ecological Engineering, vol. 20, issue 7, 2018.
4. Wójcik Oliveira K. and Niedbała G., Mitigation of greenhouse gases emissions impact and their influence on
terrestrial ecosystem, IOP CONFERENCE SERIES: EARTHAND ENVIRONMENTAL SCIENCE (EES), ISSN:
1755-1315, w: Earth and Environmental Science, 8th International Conference on Future Environment and
Energy (ICFEE 2018), Phuket, Thailand, January 10-12, 2018, s.151-155.
Katarzyna Wójcik Oliveira, J Earth Sci Clim Change 2019, Volume: 10