Table 1. Physicochemical characteristics of soil and biochar.

Name of variables	Soil	Biochar
Textural class	Sandy loam	ND
Sand (%)	46 + 5.7	ND
Silt (%)	33.6 + 6.0	ND
Clay (%)	20.3 + .4	ND
EC (dSm-1)	1.360	2.330
pH	7.9	7.5
Available K (mg kg-1 d.m.)	108.45	ND
Available P (mg kg-1 d.m.)	11.40	491
Total Na+ (mg kg-1 d.m.)	ND	6.40
Total K+ (mg kg-1 d.m.)	ND	279
Total Ca (mg kg-1 d.m.)	ND	401
Total P (mg kg-1 d.m.)	ND	630
Total N (mg kg-1 d.m.)	ND	1914.7