Parameters

Soil

Rice husk

biochar

Bamboo

biochar

Compost

pH (H₂O)

6.4

9.6

9.1

6.0

Electrical Conductivity (1:10 mS/cm)

0.16

0.94

0.25

0.32

Bulk density (g/cm³)

1.23

0.30

0.37

0.45

C%

2.25

44.81

75.78

33.73

H%

0.98

1.54

3.44

4.21

N%

0.18

0.43

0.35

2.47

C/N

12.50

104.21

216.51

13.65

P%

0.27

0.23

0.26

2.00

K%

0.63

0.71

0.65

2.23