| Soil characteristics |
Unit |
NGST |
HSLM |
| EG |
GG |
EG |
GG |
| 0-5 cm |
| Moisture |
% |
28.98 ± 7.11 a |
4.22 ± 2.30 b |
11.18 ± 1.13 a |
6.94 ± 1.24 b |
| pH (H2O) |
|
9.62 ± 0.20 a |
8.83 ± 0.17 b |
6.84 ± 0.07 |
6.97 ±0.14 |
| EC |
mS/m |
95.16 ± 30.86 a |
11.12 ± 3.47 b |
9.02 ± 1.05 a |
4.76 ±0.66 b |
| Organic C |
g/kg |
32.80 ± 8.74 a |
5.55 ± 1.29 b |
26.39 ±2.60 a |
18.81 ±1.84 b |
| Total N |
g/kg |
3.16 ± 0.76 a |
0.81 ± 0.22 b |
3.10 ±0.41 a |
2.00 ±0.10 b |
| Soil C:N |
|
17.38 ± 3.15 |
13.88 ± 2.13 |
11.09 ±0.26 |
11.18 ±0.13 |
| Sand |
% |
46.98 ±2.80 a |
88.42 ± 5.74 b |
56.87 ± 6.02 |
62.05 ± 3.59 |
| Silt |
% |
19.62 ± 6.13 a |
4.80 ± 3.24 b |
16.68 ±2.11 |
14.43 ±1.71 |
| Clay |
% |
33.40 ± 5.83 a |
6.78 ± 3.23 b |
26.45 ±3.96 |
23.52 ±2.03 |
| Available P |
mg/kg |
27.13 ± 10.96 |
32.17 ± 8.96 |
39.21 ±6.34 |
32.34 ±7.38 |
| 5-15 cm |
| Moisture |
% |
20.88 ± 1.60 a |
2.72 ± 0.36 b |
7.52 ± 0.34 |
6.68 ± 0.94 |
| pH (H2O) |
|
9.50 ± 0.47 |
9.38 ± 0.23 |
7.17 ± 0.15 |
7.11 ± 0.14 |
| EC |
mS/m |
67.04 ± 38.77 a |
9.85 ± 2.91 b |
8.21 ± 3.39 a |
4.47 ± 0.62 b |
| Organic C |
g/kg |
13.30 ± 2.50 a |
1.95 ± 0.51 b |
20.51 ±2.20 a |
14.53 ±2.98 b |
| Total N |
g/kg |
2.20 ± 1.06 a |
0.41 ± 0.10 b |
2.24 ± 0.37 a |
1.55 ± 0.31 b |
| Soil C:N |
|
19.81 ± 4.02 a |
11.82 ± 5.19 b |
11.51 ± 0.26 a |
10.93± 0.34 b |
| Sand |
% |
53.16 ± 6.58 a |
92.64 ± 4.62 b |
53.81 ± 10.14 |
62.52 ± 3.48 |
| Silt |
% |
20.54 ± 12.17 a |
1.99 ± 3.01 b |
18.40 ± 4.11 a |
13.66 ±1.60 b |
| Clay |
% |
26.30 ± 8.29 a |
5.37 ± 2.12 b |
27.79 ±6.18 |
23.82 ±1.97 |
| Available P |
mg/kg |
13.98 ± 1.63 |
17.20 ± 3.68 |
30.23 ±3.99 a |
21.48 ±2.21b |
|
| Means (± SE) for each variable followed by different letter indicate significant differences between EG and GG within the same sites (P<0.05) |
| Table 2: Physico-chemical characteristics of soil in the study sites in 0-5 and 5-15 cm layers. |
