Table 1.

Differences in EEG and TG amounts at different soil depths. Different lowercases in the same column at each group indicates the differences between soil depths, statistically significant at p < 0.05.

Depth cm	EEG	TG	EEG/SOC	TG/SOC	EEG/N	TG/N	EEG/P	TG/P	EEG/TG
Average of pooled values
0–20	0.745d	5.80d	0.017a	0.13a	0.022a	0.16ab	0.013a	0.090a	0.14a
20–40	0.563c	4.17c	0.019a	0.13a	0.019a	0.14a	0.010a	0.071a	0.16a
40–60	0.413b	3.50bc	0.018a	0.15ab	0.018a	0.14a	0.013a	0.13ab	0.20a
60–80	0.328ab	3.07ab	0.020a	0.17bc	0.023a	0.19b	0.010a	0.10ab	0.18a
80–100	0.290a	2.40a	0.022a	0.19c	0.024a	0.19b	0.043b	0.25b	0.21a
Linear changes	y = −0.006x + 0.75	y = −0.040x + 5.8	y = 7E-05 + 0.02	y = 0.001x + 0.11	y = 5E-05x + 0.02	y = 0.001x + 0.14	y = 0.0003x + 0.003	y = 0.002x + 0.04	y = 0.001x + 0.140
R2	0.230	0.228	0.02	0.06	0.01	0.03	0.013	0.012	0.009
p-level	0.000	0.000	0.011	0.000	0.131	0.003	0.032	0.037	>0.05
CV% (coefficient of variation)
0–20	0.36	0.37	0.42	0.35	0.51	0.41	2.27	1.92	0.40
20–40	0.53	0.51	0.55	0.46	0.66	0.62	0.77	0.81	0.59
40–60	0.80	0.61	0.67	0.53	0.83	0.51	1.36	2.01	1.35
60–80	0.94	0.68	1.00	0.56	0.97	0.64	1.47	1.42	1.47
80–100	0.98	0.73	0.85	0.69	0.86	0.70	3.77	3.74	1.43

Note: EEG/SOC, relative ratio of the carbon in EEG to total SOC; TG/SOC, relative ratio of the carbon in TG to total SOC; EEG/N, relative ratio of the nitrogen in EEG to total soil N; TG/N, relative ratio of the nitrogen in TG to total soil N; EEG/P, relative ratio of the phosphorus in EEG to total soil P; TG/P, relative ratio of the phosphorus in TG to total soil P; EEG/TG, relative ratio of the EEG to TG.