Abstract
ATTEMPTS to estimate the numbers of nitrifying organisms in soil have usually been made by some form of dilution technique involving culture of the dilutions in liquid media in tubes (see ref. 1). The number of dilutions, and of replicate tubes at each dilution, that are necessary to give reliable estimates, makes this method extravagant of material and time.
This is a preview of subscription content, access via your institution
Access options
Subscribe to this journal
Receive 51 print issues and online access
$199.00 per year
only $3.90 per issue
Buy this article
- Purchase on Springer Link
- Instant access to full article PDF
Prices may be subject to local taxes which are calculated during checkout
Similar content being viewed by others
References
Stevenson, I. L., and Chase, F. E., Soil Science, 76, 107 (1953).
Singh, B. N., Ann. App. Biol., 33, 112 (1946).
Fisher, R. A., and Yates, F., “Statistical Tables for Biological, Agricultural and Medical Research”, 2nd edit., Table VIII2 (Oliver and Boyd, London, 1943).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
MILLBANK, J. Estimation of Numbers of Nitrosomonas in Soil and Culture. Nature 177, 848–849 (1956). https://doi.org/10.1038/177848a0
Issue Date:
DOI: https://doi.org/10.1038/177848a0
Comments
By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.