Table 2 The van Genuchten model parameters of aeolian sandy soil (S) modified by feldspathic sandstone (F).

From: Improving water retention capacity of an aeolian sandy soil with feldspathic sandstone

Mass ratio (F:S)

Saturated water content (θs, %)

Residual water content (θr, %)

Shape parameter (α, cm−1)

Shape parameter (n)

Shape parameter (m)

0:1 (Control, CK)

33.77 ± 0.5191b

4.5 ± 0.0816c

0.015 ± 0.0050b

1.226 ± 0.0155a

0.184 ± 0.0142a

1:5 (T1)

35.08 ± 0.6864b

5.7 ± 0.1700b

0.0089 ± 0.0031b

1.229 ± 0.0077a

0.186 ± 0.0079a

1:2 (T2)

39.85 ± 0.5717b

6.7 ± 0.1700a

0.024 ± 0.0031a

1.191 ± 0.0083a

0.160 ± 0.0045b

1:1 (T3)

38.99 ± 0.7736a

6.5 ± 0.1247a

0.027 ± 0.0019a

1.206 ± 0.0335a

0.171 ± 0.0087ab

  1. Values are the mean ± standard deviation (n = 3). Means with different lowercase letters within a column are significantly different at P < 0.05.
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