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Type of publication: research article
Type of publication (PDB): Straipsnis recenzuojamoje Lietuvos tarptautinės konferencijos medžiagoje / Article in peer-reviewed Lithuanian international conference proceedings (P1e)
Field of Science: Mechanikos inžinerija / Mechanical Engineering (T009)
Author(s): Kraujalis, Alfonsas;Povilaitis, Vaidas
Title: Effects of dry grass and thrashing residues burning on soil and environment
Is part of: New methods, means and technologies for applications of agricultural products : proceedings of the international conference, [18-19 September 2003, Raudondvaris]. Raudondvaris, 2003
Extent: P. 93-97
Date: 2003
ISBN: 9986732190
Abstract: The objective of the present study was to estimate the effect of dry grass and thrashing residues burning on the soil surface on soil and the impact on pollution emission in the environment. The influence of grass and threshing residues burning on soil and environment was measured in February, when the soil was frozen, there was no snow, and the air temperature was 0-3º C. The amount of the burning mass was 0,3-0,8 kg/m², burning speed leeward was 3-4 m/min. During a grass burning span of 3-5 seconds, the temperature of the soil surface rose to 10-22º C, very close to the soil (2-5 cm) to 20-65º C, at the 10-20 cm height to 350-400º C. Since the grass is burnt outdoors, there is enought oxygen during the burning process, and the combustible gas burns completely. The amount of carbon dioxide (CO2) was 2,1-11% the amount of nitrogen oxide (CO), solid particles - ash 3-5% (30-50 kg/ha). Pollution figures are far lower than the standard allows. The composition and quantity of the plants grown in the experimental conditions did not change, the fertile soil layer was not affected by burning, and no damaging effect was identified on entomofauna
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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