SWC measures
|
Soil parameter
|
Slope positions
|
---|
Foot slope
|
Middle slope
|
Upper slope
|
---|
Non-conserved grazing lands
|
SOC (%)
|
1.9 ± 0.1c
|
2.1 ± 0.1ce
|
1.7 ± 0.1c
|
Bulk density (kg m−3)
|
1199 ± 40bcd
|
1310 ± 40ad
|
1315 ± 40a
|
SOC stock (Mg ha−1)
|
18 ± 2ac
|
15 ± 2c
|
15 ± 2c
|
Terraces
|
SOC (%)
|
2.6 ± 0.1abd
|
2.4 ± 0.1bd
|
2.4 ± 0.1de
|
Bulk density(kg m−3)
|
1262.9 ± 40abcd
|
1276.6 ± 40acd
|
1240.8 ± 40abcd
|
SOC stock (Mg ha−1)
|
22 ± 2ab
|
20 ± 2ac
|
22 ± 2ab
|
Exclosures + terraces
|
SOC (%)
|
2.9 ± 0.1a
|
2.8 ± 0.1a
|
2.9 ± 0.1a
|
Bulk density(kg m−3)
|
1218 ± 40abcd
|
1233 ± 40abcd
|
1231 ± 40abcd
|
SOC stock (Mg ha−1)
|
31 ± 2de
|
26 ± 2bde
|
30 ± 2e
|
Exclosures alone
|
SOC (%)
|
2.7 ± 0.1a
|
2.7 ± 0.1ab
|
2.8 ± 0.1ab
|
Bulk density (kg m−3)
|
1315 ± 40a
|
1162 ± 40b
|
1184 ± 40bc
|
SOC stock (Mg ha−1)
|
25 ± 2bd
|
22 ± 2ab
|
23 ± 2ab
|
- Means of each soil parameter followed by the same letter do not differ significantly at P ≤ 0.05