Table 4 Main effects of sub-watersheds, landscape positions, land-use types, and soil depths on selected soil chemical properties

 Untreated

0.046^b

6.30^a

0.063^b

6.23^b

0.44^b

0.42^b

 Treated

0.063^a

6.11^b

0.107^a

11.12^a

0.54^a

0.98^a

 Upper

0.056

6.16

0.078

8.79

0.41^b

0.68

 Lower

0.053

6.24

0.092

8.56

0.57^a

0.72

 Crop

0.054

6.23

0.091

9.84^a

0.48

0.76^a

 Grazing

0.055

6.17

0.079

7.51^b

0.50

0.65^b

 0–15 cm

0.047^b

6.33^a

0.102^a

10.15^a

0.56^a

0.85^a

 15–30 cm

0.062^a

6.07^b

0.068^b

7.20^b

0.42^b

0.56^b

P–SW

***

**

***

***

**

***

P–LP

ns

ns

ns

ns

***

ns

P–LU

ns

ns

ns

***

ns

*

P–SD

*

***

**

***

***

***