ISO 14240-2:1997 Preview
Soil quality -- Determination of soil microbial biomass -- Part 2: Fumigation-extraction method
This standard was last reviewed and confirmed in 2014. Therefore this version remains current.
Gives a method for the determination of microbial biomass of soils by measurement of total extractable organic biomass material mainly from freshly killed microorganisms. It is also applicable to the estimation of microbial nitrogen and ninhydrin-reactive nitrogen in soil.
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