Fig. 1. Soil fractionation sequence for determining the location of microbial biomass (MB). NMT, sodium metatungstate; POM, particulate organic matter; MF, mineral fraction; H-POM, heavy POM; and L-POM, light POM.
Fig. 1. Soil fractionation sequence for determining the location of microbial biomass (MB). NMT, sodium metatungstate; POM, particulate organic matter; MF, mineral fraction; H-POM, heavy POM; and L-POM, light POM.