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Dry deposition of atmospheric ammonia at Rothamsted in 1976 and 1977

Published online by Cambridge University Press:  27 March 2009

G. A. Rodgers
Affiliation:
Department of Soils and Plant Nutrition, Rothamsted Experimental Station, Harpenden, Hertfordshire

Summary

Soils at Rothamsted receive approximately 4 kg NH3-N/ha/year through dry deposition of atmospheric ammonia. The value is low compared with other nitrogen input processes and reflects the low concentrations of ammonia in the atmosphere. Rainfall is a major factor limiting dry deposition as it removes large amounts of ammonia from the atmosphere. Dry deposition of ammonia is a relatively unimportant source of combined soil nitrogen compared with other natural and artificial sources.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1978

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