| Species | Fertilization | Underground dry matter (g/plant) | Top-root ratio | ||
| Control | High moisture | Control | High moisture | ||
| Setaria | CF | 19.4 | 15.2 | 2.3 | 1.7 |
| CF + M | 18.0 | 23.8 | 3.3 | 2.2 | |
| DM | 23.9 | 9.3 | 3.3 | 2.1 | |
| Teff | CF | 4.8 | 6.7 | 6.6 | 5.1 |
| CF + M | 4.9 | 3.8 | 11.3 | 2.7 | |
| DM | 4.1 | 8.5 | 12.4 | 11.7 | |