| Parameters |
Top soils |
|
Changes of soil in regular interval period |
|
| Initial |
6th year |
12th year |
18th year |
24th year |
| Bulk density (g cm-3) |
1.25±0.02 |
1.40±0.05 |
1.35±0.10 |
1.27±0.01 |
1.24±0.10 |
1.15±0.04 |
| Porosity (%) |
63.6±3.6 |
32.1±5.2 |
50.1±7.7 |
55.8±8.7 |
61.82±7.70 |
62.82±2.30 |
| Maximum water holding capacity (%) |
56.4±2.5 |
29.8±2.8 |
41.2±4.2 |
45.2±5.4 |
51.20±5.20 |
56.20±1.55 |
| Chemical parameter |
| pH |
7.2±0.5 |
6.9±0.2 |
6.9±0.2 |
7.4±0.2 |
7.2±0.2 |
7.66±0.08 |
| Electrical conductivity (mS cm-1) |
0.48±0.09 |
0.32±0.05 |
0.59±0.02 |
0.55±0.05 |
0.61±0.03 |
0.63±0.01 |
| Total nitrogen (mg kg-1) |
95.0±15.2 |
41.00±5.06 |
163.0±1.5 |
283.0±19.4 |
319.0±12.4 |
484.00±79.53 |
| Available nitrogen (mg kg-1) |
31.0±5.3 |
12.0±2.2 |
40.0±5.2 |
84.0±2.1 |
151.0±15.6 |
158.75±16.52 |
| Total phosphorous (mg kg-1) |
86.0±11.2 |
46.0±7.4 |
149.0±6.6 |
169.0±5.7 |
291.0±5.4 |
567.96 ± 14.14 |
| Available phosphorous (mg kg-1) |
41.0±6.3 |
9.2±0.3 |
10.0±0.9 |
19.0±2.6 |
33.0±2.5 |
157.18±8.33 |
| Total potassium (mg kg-1) |
120.0±20.3 |
86±9.8 |
102.0±7.4 |
128.0±12.7 |
162.0±2.3 |
174.25±4.35 |
| Available potassium (mg kg-1) |
31.0±2.2 |
1.8±0.1 |
25.0±0.2 |
31.0±0.2 |
45.0±0.1 |
49.00±0.02 |
| Organic carbon (%) |
3.70±0.04 |
0.099±0.005 |
0.700±0.013 |
1.30±0.17 |
1.45±0.14 |
1.78±0.18 |
| Organic matter (%) |
6.36±0.07 |
0.170±0.008 |
1.204±0.022 |
2.236±0.290 |
2.49±0.24 |
3.06±0.31 |
| Exchangeable cations(c mol(+) kg-1) |
| Na |
0.0300±0.0001 |
0.012±0.006 |
0.019±0.004 |
0.029±0.004 |
0.0440±0.0001 |
0.045±0.001 |
| Ca |
0.046±0.005 |
0.021±0.004 |
0.031±0.004 |
0.042±0.004 |
0.046±0.005 |
0.0480±0.0005 |
| Mg |
0.0160±0.0001 |
0.0060±0.0001 |
0.009±0.002 |
0.015±0.002 |
0.0160±0.0001 |
0.0190±0.0008 |
