| Treatment | Biomass dry weight (gr/plant) | ||
|
| Below-ground | Underground | Total |
| Control | 13.6ab | 7.1ab | 21.3abc |
| Pig feces (0.5 kg) | 12.9ab | 9.1b | 22.6bc |
| Pig feces (1 kg) | 15.4b | 9.1b | 25.3c |
| Chicken manure (0.5 kg) | 9.0a | 4.8a | 14.0a |
| Chicken manure (1 kg) | 11.1ab | 5.9a | 17.3ab |
| Urea (0.5 g) | 14.8b | 4.8a | 20.0abc |
| Mean | 12.8 | 6.8 | 20.1 |
| CV (%) | 27.5 | 25.7 | 23.8 |