Significance of Some Soil Amendments and Phosphate Dissolving Bacteria to Enhance the Availability of Phosphate in Calcareous Soil

Table 2

Some properties of the used organic manure (compost).

Characters	Value
Particle size distribution (%)
Sand	65.18
Silt	18.51
Clay	16.31
Textural class	Sandy loam
CaCO3 (%)	22.30
Chemical analysis
pH (1 : 2.5)	8.15
EC (dS/m) 1 : 5	0.53
Soluble ions (meq/100 g soil)
Ca^++	0.37
Mg^++	0.16
Na^+	0.58
K^+	0.08
CO3^−−	0.00
HCO3^−	0.30
Cl^−	0.59
SO4^−−	0.30
Organic matter (%)	0.26
Organic carbon (%)	0.15
Total (%)
N	0.04
P	0.12
K	1.21
Available contents (mg/kg soil)
N	11.7
P	3.32
K	70.0
Fe	3.61
Zn	0.52
Mn	0.44