Table 5: Mean separation on effect of Gypsum and Compost application on Soil salinity.
Treatments |
Dependent variables |
|||||||
Initial EC (mmho ms\cm) |
Residual EC (mmho ms\cm) |
Initial ESP (%) |
Residual ESP (%) |
Initial Ex.ca+2 (meq\100g) |
Residual Ex.ca+2 (meq\100g) |
Initial pH |
Residual pH |
|
Main effect for Compost |
||||||||
0 (control) |
3.8 |
3.78a |
16.01 |
15.97a |
8.02 |
7.93b |
8.43 |
8.32a |
2.5t/ha compost |
3.72 |
3.28a |
15.23 |
13.60a |
11.02 |
8.75b |
8.48 |
7.95a |
5t/ha compost |
3.92 |
2.52a |
14.95 |
12.70a |
8.43 |
10.19b |
8.35 |
7.60b |
Main effect for Gypsum |
||||||||
2t/ha Gypsum |
4.11 |
1.90b |
20.35 |
6.87a |
10.33 |
17.62c |
8.2 |
8.41a |
4t/ha Gypsum |
3.28 |
0.68c |
19.35 |
3.61cd |
12.5 |
21.02a |
8.41 |
8.37a |
Interaction effects |
||||||||
2.5t/ha compost+2t/ha Gypsum |
4.3 |
1.70a |
18.35 |
4.55d |
10.2 |
17.80c |
8.13 |
7.94a |
2.5t/ha compost+4t/ha Gypsum |
3.35 |
0.92c |
15.68 |
1.63c |
11.58 |
23.02a |
8.33 |
7.90a |
5t/ha compost+2t/ha Gypsum |
3.57 |
1.65b |
19.36 |
4.52d |
11.58 |
17.90c |
8.35 |
7.89a |
5t/ha compost+4t/ha Gypsum |
4.01 |
0.36c |
20.5 |
1.46c |
11.85 |
24.55a |
8.43 |
7.87a |
LCD (0.05) |
0.72 |
1.12 |
4.01 |
2.88 |
2.32 |
3079 |
0.35 |
0.5 |
CV (%) |
12.79 |
18.4 |
11.43 |
20.27 |
18.75 |
16.21 |
2082 |
4.09 |
F-test |
ns |
*** |
Ns |
*** |
ns |
*** |
ns |
** |