Agriculture is the largest source of ammonia emissions and contributes to nitrogen deposition which can impact ecosystem health. This webinar introduces the topic of nitrogen deposition and provides an overview of the role of the National Atmospheric Deposition Program (NADP) in determining nitrogen deposition sources. In addition, the speakers provide an overview of a region being impacted by agriculture related nitrogen deposition and discusses agricultural management practices that may reduce ammonia emissions and nitrogen deposition. This presentation was originally broadcast on September 20, 2024.
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Introduction to Nitrogen Deposition for Agriculture
David Gay, University of Wisconsin-Madison (23:05)
Presentation Slides
Atmospheric Deposition to the Chesapeake Bay: Agricultural Contributions and Modeling
Jesse Bash, U.S. EPA-ORD (16:51)
Presentation Slides
Opportunities for Ammonia Reduction on Animal Farms
Mahmoud Sharara, North Carolina State University (19:10)
Presentation Slides
Questions from the Audience
All presenters (07:16)
More Information
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- About the speakers
- Szögi, A. A., & Vanotti, M. B. (2009). Enhanced animal productivity and health with improved manure management in 2nd Generation Environmentally Superior Technology in North Carolina: II. Air Quality. In Livestock Environment VIII, 31 August–4 September 2008, Iguassu Falls, Brazil (p. 76). American Society of Agricultural and Biological Engineers
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Continuing Education Units
Certified Crop Advisers (CCA, CPAg, or CPSS)
View the archive and take the quiz (not available yet). Visit the CCA continuing education page for additional CEU opportunities.
American Registry of Professional Animal Scientists (ARPAS)
View the archive and report your attendance to ARPAS via their website. Visit the ARPAS continuing education page for additional CEU opportunities.