Table 1 Properties of biochar applied

pH

10.3

Electric conductivity (µS cm^− 1)

928

TC (%)

65.2

TN (%)

0.55

Dichromate oxidizable organic C

4.62

Water Soluble Carbon

142

Water Soluble Nitrogen

92.21

Ash content (%)

3.41

Carbonates content (% CaCO₃)

12.55

CEC (cmol_c kg^− 1)

33.31

NH₄-N sorption (mg NH₄- N g^− 1)

2.23

NO₃-N sorption (mg NO₃- N g^− 1)

N.S.