Table 5.

The CSWSD of different types (0–200 cm).

Time	AS	PT	HR	PS	RP
2017/10	0.09 ± 0.09b	0.24 ± 0.13b	0.18 ± 0.35b	− 0.19 ± 0.30c	0.44 ± 0.31a
2018/05	0.29 ± 0.08b	0.44 ± 0.12a	0.44 ± 0.23a	− 0.07 ± 0.27c	0.45 ± 0.12a
2018/10	0.18 ± 0.10c	0.41 ± 0.09a	0.22 ± 0.28bc	− 0.02 ± 0.24d	0.37 ± 0.35ab
2019/05	0.21 ± 0.11d	0.61 ± 0.11b	0.38 ± 0.18c	− 0.22 ± 0.27e	0.82 ± 0.26a
2019/10	0.14 ± 0.20 cd	0.57 ± 0.29b	0.36 ± 0.35bc	0.01 ± 0.28d	0.83 ± 0.37a

Different letters on the same line indicate significant differences (p < 0.05).