Table 2 Physical and chemical properties of the soil of the experiment
Components | |
 Silt % | 20.2 |
 Sand % | 21.6 |
 Clay % | 58.0 |
Chemical analysis | |
 pH | 8.0 |
 Ec | 1.2/ds m−1 |
Soluble ions in soil paste (meq/L) | |
 Ca++ | 4.8 meqL−1 |
 Mg++ | 3.5 meqL−1 |
 K+ | 0.74 meqL−1 |
 Na+ | 1.3 meqL−1 |
 Cl− | 1.24 meqL−1 |
 Hco3− | 5.5 meq−1 |
 S04− | 5.6 meqL−1 |
Available elements (ppm) | |
 P | 112 ppm |
 N | 344 ppm |
 Organic matter% | 2.2 |