Table 1: Summary of mean [± standard error (SE)] soil physical and chemical properties (n = 5) of the silt-loam soil used for the greenhouse experiment.
|
Soil property |
Mean (± SE) |
|
Sand (g g-1) |
0.14 (0.01) |
|
Silt (g g-1) |
0.73 (0.01) |
|
Clay (g g-1) |
0.13 (0.05) |
|
pH |
6.0 (0.03) |
|
Electrical conductivity (dS m-1) |
0.11 (0.01) |
|
Extractable soil nutrients (kg ha-1) |
|
|
Phosphorus |
14.7 (0.7) |
|
Potassium |
125.7 (3.2) |
|
Calcium |
759.7 (19) |
|
Magnesium |
122.0 (2.5) |
|
Sulfur |
8.8 (0.8) |
|
Sodium |
36.0 (1.6) |
|
Iron |
181.6 (3.0) |
|
Manganese |
262.5 (3.3) |
|
Zinc |
14.8 (0.3) |
|
Soil organic matter (Mg ha-1) |
18.1 (0.13) |
|
Total carbon (Mg ha-1) |
7.21 (0.10) |
|
Total nitrogen (Mg ha-1) |
0.77 (0.01) |
|
Carbon:nitrogen ratio |
9.42 (0.11) |