From: Distribution of organic carbon fractions in soil aggregates in Chinese fir plantations with different stand ages
Stand age (years)
ROC/OC (%)
POC/OC (%)
MBC/OC (%)
WOC/OC (%)
MOC/OC (%)
0
26.96
31.04
1.34
0.83
0.82
9 
21.13
22.09
0.94
0.66
0.65
17
14.38
21.50
0.85
0.42
0.47
26
23.18
18.53
1.14
0.63
0.87