USE OF AN ELECTROLYTIC RESPIROMETER TO STUDY DENITRIFICATION IN SOIL
- 1 June 1958
- journal article
- research article
- Published by Canadian Science Publishing in Canadian Journal of Microbiology
- Vol. 4 (3), 303-316
- https://doi.org/10.1139/m58-032
Abstract
An electrolytic respirometer and gas-sampling attachment suitable for soil denitrification studies is described. With this apparatus, control of moisture and oxygen content in incubating soils is obtained over long periods while at the same time small quantities of gases released by denitrilication are retained for estimation. Experiments using N13 confirmed the value of this apparatus. Only slight denitrification was found under aerobic conditions in a Walla Walla silt loam soil, and the conditions under which denitrification took place indicated the specific role of substrate level and the related gas-exchange characteristics of the system.Keywords
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