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. 2014 Apr 6;2014:160403. doi: 10.1155/2014/160403

Table 2.

Two-way ANOVA results on spatial (site, soil layer) variations of different soil physicochemical properties in poplar shelterbelt forests in Songnen Plain.

Index pH value EC Bulk density Soil moisture
Site
F 55.21 2.08 29.76 111.05
P value 0.000 0.068 0.000 0.000
Soil layer
F 7.13 3.90 7.62 9.34
P value 0.000 0.004 0.000 0.000
Interaction
F 0.26 0.56 1.55 1.22
P value 1.000 0.937 0.062 0.232

Site-related differences (mean and their statistical significance)
Dumeng 8.49a 105.7ab 1.51a 5d
Fuyu 8.46a 152.1a 1.40bc 17a
Lanling 7.68b 122.6ab 1.43b 9c
Mingshui 7.44b 80.9b 1.32d 16a
Zhaodong 8.51a 114.9ab 1.39bc 13b
Zhaozhou 8.53a 139.5ab 1.38c 9c
Largest/lowest ratio 1.15 1.88 1.14 1.89

Soil layer-related differences (mean and their statistical significance)
0–20 cm 8.08ab 105.2b 1.37c 13a
20–40 cm 8.00b 173.7a 1.39bc 12ab
40–60 cm 8.15ab 114.4ab 1.41abc 11ab
60–80 cm 8.32a 110.2b 1.43ab 10b
80–100 cm 8.38a 92.9b 1.43a 10b
Largest/lowest ratio 1.05 1.87 1.04 1.30

Mean of pooled data 8.19 119.28 1.41 11

Note: Different lowercases indicate the related differences between different soil layers or between different sites were statistically significant (P < 0.05).