Table 1.

Initial soil parameters measured prior to the establishment of the trenching and leaf litter input treatments.

Soil depth (cm)	SOC (%)	TN (%)	C:Nsoil	Soil depth (cm)	ρsoil (g cm−3)
0–5	5.67 ± 0.39	0.335 ± 0.020	16.71 ± 0.26	0–5	1.15 ± 0.07
5–15	2.14 ± 0.17	0.121 ± 0.008	17.48 ± 0.33
15–30	0.79 ± 0.05	0.051 ± 0.002	15.02 ± 0.38	20–25	1.35 ± 0.03
30–60	0.31 ± 0.02	0.035 ± 0.001	9.025 ± 0.41	40–45	1.49 ± 0.02
60–100	0.22 ± 0.01	0.032 ± 0.001	6.78 ± 0.27	60–65	1.55 ± 0.02

SOC, soil organic carbon; TN, total soil nitrogen; C:N_soil, soil C:N ratios; ρ_soil, soil bulk density.