[Retracted] Spatial-Temporal Variation Characteristics of Soil Moisture and Nutrients Based on Nanomaterials in the Root Zone of Haloxylon ammodendron Seedlings

Table 1

Statistical characteristics of soil moisture content in different layers in April.

Soil depth (cm)	Min	Max	Mean	STDE	CV (%)	Skewness	Kurtosis	K-S test
0~10	1.21	5.08	2.48^d	1.16	0.47	0.82	-0.32	0.64
10~20	4.30	8.99	5.73^c	1.37	0.24	1.02	0.43	0.61
20~30	8.25	16.29	11.04^a	2.23	0.20	0.75	-0.23	0.87
30~40	4.48	9.91	6.81^b	1.79	0.26	0.15	-1.62	0.19
40~50	3.94	7.57	5.19^c	1.07	0.21	0.94	0.40	0.57

Note: test of K-S representing normal distribution. Different lowercase letters showed that the soil moisture content had significant differences in different layers (), .