Effect of temperature and soil phosphorus status on the determination of extractable phosphorus by Olsen's method—development of a correction factor
- 1 January 1987
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in The Analyst
- Vol. 112 (6) , 917-919
- https://doi.org/10.1039/an9871200917
Abstract
The determination of extractable phosphorus by Olsen's method is dependent on the temperature of the extracting solution. In order to standardise the results obtained for soils to a given temperature (under conditions where soil testing laboratories are not air conditioned) a correction factor has been developed. Unlike a previously developed correction factor this takes account of the soil phosphorus status. The factor was tested on a group of soils and was found to be workable.Keywords
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