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Type of publication: Tezės kituose recenzuojamuose leidiniuose / Theses in other peer-reviewed publications (T1e)
Field of Science: Energetika ir termoinžinerija / Energetics and thermal engineering (T006)
Author(s): Bleizgys, Rolandas;Mažeikienė, Reda
Title: Reduction of ammonia emissions from cattle manure using biopreparations
Is part of: Rural Development 2017 [elektroninis išteklius]: Bioeconomy Challenges : The 8th international scientific conference, 23-24th November, 2017, Aleksandras Stulginskis University : abstracts book. Akademija : Aleksandras Stulginskis University, 2017
Extent: p. 149
Date: 2017
Note: Puslapiai nurodyti pagal pataisytą leidinį
Keywords: NH3 emissions;manure;cowsheds;biopreparations
ISBN: 9786094491238
Abstract: Experimental studies performed at the laboratory enabled to find out the effect of the biopreparation on the process of ammonia volatilization from manure. Adding biopreparation to manure was found to slow down ammonia emission from manure. Depending on the manure composition, temperature of the environment, and duration of exposure to the biopreparation, the emission was found to decrease by up to 22%. The maximum effect was observed on the day 6–14, whereas 30 days after biopreparation’s use its effect was significantly decreased. The effect of biopreparation on ammonia volatilization was observed to be higher under more intensive ammonia emissions, i.e. when the manure was fresh, with no crust formed on its surface, under high air flow velocity above the manure and high ammonia concentration gradient in the surface of the manure.Use of the biopreparation is highly recommended for reduction of ammonia emissions in litter-free barns where liquid manure accumulates. Its use is consistent with the modernization tendencies to implement litter-free liquid manure technologies. The effect of the biopreparation was found to be more pronounced in summer time
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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