
Fig. 6 Mass-specific magnetic susceptibility (
lf) as a function of time and temperature of exposure for forest topsoil (05 cm, 67 g kg-1 organic C, 12 g kg-1 Fe) and subsoil (515 cm, 20 g kg-1 organic C, 24 g kg-1 Fe) in Oven Experiment II. On the right for each treatment is the
lf measured after 660 min exposure