Length of Incubation for Enumerating Nitrifying Bacteria Present in Various Environments1
Open Access
- 1 January 1975
- journal article
- Published by American Society for Microbiology in Applied Microbiology
- Vol. 29 (2) , 265-268
- https://doi.org/10.1128/aem.29.2.265-268.1975
Abstract
The effect of incubation time on most-probable-number estimates of autotrophic nitrifying bacteria was investigated by using waters, rooted aquatic plants, sediments, and slimes as inoculum sources. Maximum most probable numbers of the NH4+-oxidizing group were attained in 20 to 55 days (median, 25). Estimates of NO2- oxidizers were highest at termination (103 to 113) days.Keywords
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