90.20 Standard under periodical review Jan 15, 2025
ISO
ISO/TC 190/SC 4 Biological characterization
International Standard
13.080.30 Biological properties of soils
Published
Contains a method for the determination of the active aerobic, heterotrophic microbial biomass in aerated agricultural and mineral soils.
PUBLISHED
ISO 14240-1:1997
90.20
Standard under periodical review
Jan 15, 2025