DOI: 10.5593/SGEM2016/B32/S13.036


J. Vilcek, S. Torma, S. Koco
Wednesday 7 September 2016 by Libadmin2016

References: 16th International Multidisciplinary Scientific GeoConference SGEM 2016, www.sgem.org, SGEM2016 Conference Proceedings, ISBN 978-619-7105-62-9 / ISSN 1314-2704, June 28 - July 6, 2016, Book3 Vol. 2, 273-280 pp

The energetic level of plant production in Slovakian in soil-ecological units has been affecting by objective and subjective factors. Objectively, the energetic level has been under influence of soil-climatic and geomorphologic conditions. The subjective factors introduce the selection of agricultural land resources and the level of additional energy inputs in the process of production. Taking into consideration these factors the energetic flows balance of 14 soil-ecological sub-regions of Slovakia has been analysed and the structure optimisation models of plant production have been developed for these sub-regions by the Soil Fertility Research Institute. The models are primarily oriented to the landscape ecology and economics, whereby they are based on the soil productivity potential. The results attained have confirmed that energetic input level and the energy generation comprised plant production products in Slovakia at various heterogeneous conditions. The energetic balance on the level of soil-ecological sub-region has shown considerable dependence on the energetic inputs (r = 0.994) and the energetic outputs (r = 0.995) of soil productivity potential. Energetically, more deposits per 1 ha farming land are on the level 20 GJ.ha-1, while in conditions of basins of higher degree, mountains and uplands are only on the level 10 GJ.ha-1. In lower located regions the energy generation is the highest as well as the energetic gain. However, the efficiency of spent energetic inputs is the highest in higher located regions. It is quite clear that in marginal regions the input intensification does not bring adequate neither energetic, nor economic results.

Keywords: energy balance, energy inputs, energy production, energy efficiency, soil’s production potential

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