Table 2 Effects of biochar and varieties on enzyme activities (U g⁻¹) in the rhizosphere soil of sugarcane

ROC22

318.5 ± 36.1^a

24.4 ± 2.6^b

41,051 ± 7160^a

Z9

308.9 ± 32.6^a

36.2 ± 3.2^a

34,307 ± 4105^a

Biochar (B)

 B0

299.9 ± 47.3^a

28.6 ± 6.3^a

27,967 ± 8129^b

 B1

280.9 ± 41.7^a

31.8 ± 6.3^a

36,637 ± 11602^b

 B2

360.4 ± 60.4^a

30.6 ± 8.1^a

48,434 ± 9393^a

 V

ns

*

ns

 B

ns

ns

*

V × B

ns

**

*