Treatments | Total N in soil (%) | Total N in biomass/biochar (%) | Change in total N of treated soil (%) | |
Cow dung | Biomass (CM) | 0.06 | 1.58 | 0.15 |
Biochar (CC) | 0.06 | 1.19 | 0.15 | |
Poultry manure | Biomass (PM) | 0.06 | 1.67 | 0.16 |
Biochar (PC) | 0.06 | 1.09 | 0.15 | |
Sludge | Biomass (SM) | 0.06 | 0.57 | 0.15 |
Biochar (SC) | 0.06 | 0.50 | 0.15 | |
No treatment | Control (Cont) | 0.06 | No treatment | 0.14 |