Fig. 1. Thermogravimetry–differential scanning calorimetry (TG–DSC) thermograms for (a) cellulose (b) lignin (c) cellulose and lignin mixed (50:50 w/w); free light fraction soil organic matter (FLF-SOM) and intra-aggregate light fraction soil organic matter (IALF–SOM) from (d) arable (e) grassland and (f) bare fallow soils; and (g) DSC and (h) TG traces for arable, grassland, and bare fallow organomineral–soil organic matter (M-SOM) and whole soil (WS) samples.