Table 2.

Variation of soil properties under different changes in precipitation (n = 3, mean ± SE).

Treatment	0–10 cm			10–20 cm			20–30 cm			p Value from Two-Way ANOVA
	P50	P100	P150	P50	P100	P150	P50	P100	P150	L	P	L × P
C (g kg−1)	16.72 ± 1.34	18.22 ± 1.57	18.76 ± 3.05	13.89 ± 3.81	15.29 ± 1.35	18.07 ± 2.92	14.05 ± 1.70	16.31 ± 2.28	13.80 ± 1.73	0.03	0.18	0.38
N (g kg−1)	2.21 ± 0.08	2.12 ± 0.16	2.19 ± 0.05	2.29 ± 0.12	2.24 ± 0.09	2.15 ± 0.09	2.28 ± 0.29	2.10 ± 0.04	1.89 ± 0.25	0.19	0.07	0.35
P (g kg−1)	0.74 ± 0.15	0.82 ± 0.00	0.79 ± 0.05	0.85 ± 0.02	0.85 ± 0.03	0.78 ± 0.02	0.83 ± 0.01	0.87 ± 0.03	0.76 ± 0.01	0.28	0.05	0.28
AP (mg kg−1)	4.80 ± 1.38	3.68 ± 0.89	4.45 ± 0.32	3.86 ± 1.61	2.85 ± 0.32	3.49 ± 0.79	2.45 ± 0.44	2.49 ± 0.27	2.99 ± 0.95	0.00	0.22	0.79
pH	7.78 ± 0.05	7.84 ± 0.04	7.72 ± 0.08	7.83 ± 0.08	8.02 ± 0.15	7.91 ± 0.08	7.87 ± 0.08	8.06 ± 0.04	7.98 ± 0.22	0.00	0.02	0.63
SM (%)	5.20 ± 0.17	7.29 ± 1.22	8.88 ± 0.10	6.94 ± 1.41	8.71 ± 0.40	8.17 ± 1.49	4.76 ± 0.43	8.64 ± 1.16	9.05 ± 0.38	0.20	0.00	0.046
SFD	2.79 ± 0.03	2.77 ± 0.05	2.78 ± 0.06	2.87 ± 0.05	2.80 ± 0.08	2.75 ± 0.03	2.81 ± 0.05	2.78 ± 0.11	2.82 ± 0.08	0.67	0.37	0.44
MWD	1.73 ± 0.19	1.74 ± 0.37	1.78 ± 0.34	1.24 ± 0.37	1.58 ± 0.65	1.89 ± 0.07	1.71 ± 0.25	1.67 ± 0.52	1.59 ± 0.45	0.63	0.58	0.55
GMD	1.22 ± 0.04	1.22 ± 0.09	1.32 ± 0.08	1.11 ± 0.08	1.19 ± 0.15	1.26 ± 0.02	1.21 ± 0.06	1.21 ± 0.13	1.19 ± 0.11	0.66	0.56	0.56
Compactness (Pa)	1397.30 ± 336.67	705.67 ± 86.16	943.08 ± 331.02	1296.58 ± 610.82	580.92 ± 75.13	914.33 ± 361.56	1466.17 ± 592.27	808.00 ± 189.21	1259.25 ± 384.18	0.39	0.00	0.98

Notes: L, Soil layer; P, Precipitation treatment; L × P, soil layer × Precipitation; C, soil organic carbon; N, soil total nitrogen; P, soil total phosphorus; AP, soil available phosphorus; SM, soil moisture; SFD, Soil fractal dimension; MWD, soil mean weight diameter; GMD, geometer mean diameter. The same as below.