Table 1: Some physical and chemical properties of the studied soil.

Particle size distribution (%) Chemical properties

F. Sand

C. Sand

Silt

Clay

Textural class

2.66

6.22

26.10

65.00

Clay

Organic matter (%)

CaCO3 (%)

pH* (1: 2.5)

EC** (dS m-1)

0.96

3.33

7.80

1.12

Soluble cations (meq l-1)** Soluble anions (meq l-1)**

Ca2+

Mg2+

Na+

K+

4.18

2.98

2.75

1.91

CO3-2

HCO3-

Cl-

SO4-2

nd***

5.61

2.29

3.92

Available macronutrient (mg kg-1)

Available Si (mg kg-1)

N

P

K

55.2

28.5

189

Si 268

*Soil water suspension **Soil paste extract ***not determined