Table 1.

Experimental soil's physicochemical properties.

Properties	Soil profile
Available potassium (ppm)	112
Available phosphorus (ppm)	6.75
Ammoniac N (mg g−1)	1.58
Electric conductivity (dS m−1)	2.55
Organic matter (%)	0.92
pH	7.23
Clay (%)	11
Silt (%)	33.5
Sand (%)	61
Texture class	Sandy loam soil