Treatments

PH

(H2O)

Total C%

Total N%

Total P%

Exchangeable basic―K+

Exchangeable basic―Ca2+

Exchangeable basic―mg2+

Exchangeable basic―Na+

Cu

Zn

Soil

5.30

0.05

0.04

0.99

0.03

0.98

1.13

-

1.78

0.12

Biochar

9.51

8.61

0.33

7.96

0.86

3.95

2.06

0.68

4.68

1.23

Compost

-

9.35

1.2

1.08

1.78

1.98

0.07

-

-

-