JoVE Journal

Environment

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Nanyang Technological University

Calibrated Passive Sampling - Multi-plot Field Measurements of NH₃ Emissions with a Combination of Dynamic Tube Method and Passive Samplers

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12.2K Views

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10:29 min

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March 21st, 2016

DOI :

10.3791/53273-v

March 21st, 2016

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Andreas Pacholski¹^,²

¹Institute of Ecology, Assoc. Institute of Environmental and Sustainable Chemistry, Leuphana University, ²Institute of Crop Science and Plant Breeding, Department of Agronomy and Crop Science, Christian-Albrechts-University Kiel

Podsumowanie

Ammonia emissions are a major threat to the environment by eutrophication, soil acidification and fine particle formation and stem mainly from agricultural sources. This method allows ammonia loss measurements in replicated field trials enabling statistical analysis of emissions and of relationships between crop development and emissions.

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Ammonia Emissions

Calibrated Passive Sampling

Dynamic Tube Method

Multi plot Field Measurements

Replicated Field Trials

Fertilizer Use Efficiency

Environmental Assessment

Rozdziały w tym wideo

0:05

Title

0:56

Experimental Design and General Operational Instructions

1:46

Procedure for Measurement with DTM

6:07

Procedure for Measurement with Passive Samplers

8:09

Results: Cumulative Ammonia Emissions and Treatment Effects on Ammonia Emissions from Field Applied Slurries and Synthetic Nitrogen Fertilizers

9:54

Conclusion

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