Table 1. Physical and chemical properties of soil and biochar before the experimentation.

Properties	Soil	Biochar
Porosity (%)	40.12	–
Pore diameter (nm)	4	4
Moisture content (%)	11.23	–
Bulk density (g cm−3)	1.38	–
Specific area (m2 g−1)	2.46	–
pH (water)	5.95	–
SOC (g kg−1)	9.66	–
Total C (g kg−1)	–	674
S (g kg−1)	–	2.39
H (g kg−1)		3.81
SOM (g kg−1)	16.51	–
Total N (g kg−1)	1.34	5.43
Total P (g kg−1)	0.62	46.33
Total K (g kg−1)	–	48.33
Available N (mg kg−1)	130.7	–
Available P (mg kg−1)	22.21	–
Available K (mg kg−1)	230.5	–
C:N ratio	7.16	124.12

Notes.

SOC

Soil organic carbon

SOM

Soil organic matter

N

Nitrogen

P

Phosphorous

K

Potassium

C:N

Carbon to nitrogen ratio

S

Sulfur

H

Hydrogen