Table A.
Physical and chemical properties of experimental farm soil (average of two seasons).
| Mechanical analysis |
Soil texture | |||
|---|---|---|---|---|
| Clay (%) | Silt (%) | Fine sand (%) | Coarse sand (%) | Sandy clay |
| 43.49 | 9.10 | 13.52 | 33.89 | |
| Chemical analysis | ||||||||||||
| pH | E C m.mohs/ cm | Organic matter (%) | Soluble cations (meq. / l) |
Soluble anions (meq. / l) |
Available (ppm) |
|||||||
| Mg++ | Ca++ | K + | Na+ | Cl- | HCO3 - | SO4 - - | N | P | K | |||
| 7.82 | 0.97 | 0.58 | 2.7 | 1.6 | 1.5 | 3.5 | 4.4 | 1.6 | 3.5 | 21.0 | 9.35 | 73.0 |