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Use of Bio-Preparations to Reduce Ammonia Emissions from Cattle Farming: Effects of Manure Storage Time and Ventilation Intensity

Author

Listed:
  • Reda Mažeikienė

    (Agriculture Academy, Vytautas Magnus University, 44248 Kaunas, Lithuania)

  • Rolandas Bleizgys

    (Agriculture Academy, Vytautas Magnus University, 44248 Kaunas, Lithuania)

Abstract

Ammonia emissions are both an environmental and health issue. Biological preparations (also known as biopreparations) have attracted interests as a tool to reduce ammonia emissions from livestock. However, little is known about their effectiveness in modulating evaporating NH 3 from manure. The aim of this study was to evaluate the effectiveness of one biopreparation product (MycroZyme© Micron Bio-Systems Ltd., Bridgwater, UK) by studying the dynamics of NH 3 gas evolution, taking into account factors such as manure storage time (fresh or stored) and the application method (sprayed or mixed). Experimental studies were performed with control manure (manure without biopreparation) and manure treated with the biopreparation. Data showed that the use of biopreparation slowed down the ammonia emission from manure, so the ammonia concentration in the wind tunnel decreased on average from 21.69 ± 0.9 to 14.43 ± 1.5 ppm. The effect of the biopreparation on ammonia evaporation was higher in the presence of more intensive ammonia emission conditions; i.e., when the manure was fresh, there was no crust on the surface, and the airflow over the manure was intense, and there was a large gradient of ammonia concentration on the manure surface. Based on the obtained results, recommendations were made to reduce ammonia emissions in litter-less cowsheds, where liquid manure is stored.

Suggested Citation

  • Reda Mažeikienė & Rolandas Bleizgys, 2022. "Use of Bio-Preparations to Reduce Ammonia Emissions from Cattle Farming: Effects of Manure Storage Time and Ventilation Intensity," Agriculture, MDPI, vol. 12(10), pages 1-11, October.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:10:p:1626-:d:935056
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    References listed on IDEAS

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    1. Vilma Naujokienė & Indrė Bagdonienė & Rolandas Bleizgys & Mantas Rubežius, 2021. "A Biotreatment Effect on Dynamics of Cattle Manure Composition and Reduction of Ammonia Emissions from Agriculture," Agriculture, MDPI, vol. 11(4), pages 1-19, April.
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