Table 2 Independent sample t-tests for mean annual soil moisture content at different depths in Yangjiagou (forest land) and Dongzhuanggou (grassland) watersheds.
Depth (cm) | 0–10 | 10–20 | 20–40 | 40–60 | 60–80 | 80–100 | 0–100 | |
|---|---|---|---|---|---|---|---|---|
t-test forequality of means | t | 0.64 | 0.27 | −1.99 | −3.12 | −4.71 | −5.04 | −3.26 |
Sig. | 0.53 | 0.79 | 0.06 | 0.005 | 0.000 | 0.000 | 0.004 | |
df | 21 | 21 | 21 | 21 | 21 | 21 | 21 | |
