Solid type

Phosphorus desorbed from solid (%)

Control (CT)

25.22 (23.10, 27.01)

Orange peel biochar (OB)

16.67 (14.11, 18.24)

Chicken litter biochar (CB)

14.56 (12.27, 16.56)

Tannery waste biochar (TB)

9.82 (9.01, 10.02)

Algae (AG)

32.26 (30.26, 34.18)

Orange peel biochar + algae (OB + AG)

22.96 (21.45, 23.64)

Chicken litter biochar + algae (CB + AG)

19.15 (18.34, 20.22)

Tannery waste biochar + algae (TB + AG)

15.23 (13.21, 17.44)