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Effect of Temperature on Denitrification Rate in Soils
Author(s) -
Stanford George,
Dzienia Stanislaw,
Vander Pol Roger A.
Publication year - 1975
Publication title -
soil science society of america journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.836
H-Index - 168
eISSN - 1435-0661
pISSN - 0361-5995
DOI - 10.2136/sssaj1975.03615995003900050024x
Subject(s) - denitrification , soil water , environmental chemistry , organic matter , atmosphere (unit) , environmental science , chemistry , nitrogen , soil science , thermodynamics , physics , organic chemistry
The effect of temperature on denitrification rate was studied with nine soils differing widely in organic matter content and chemical and physical characteristics. In the range of 15 to 35C, the temperature coefficient of denitrification, Q 10 , was approximately 2. Denitrification rates at 35 and 45C were similar. Between 10 and 5C, denitrification rate declined abruptly. The lower limit of the temperature range conforming to a Q 10 of 2 was estimated to be 11C. In this study of water‐logged soils sealed from the atmosphere, denitrification appeared to obey first‐order kinetics.