| Dose | LVdf | NVef | MTf | VGo | LVdf | NVef | MTf | VGo |
| mg·kg−1 | dry matter (g) ? copper vase* | dry matter (g) ? chrome vase** | ||||||
| 0 | 5.30 | 8.14 | 8.50 | 9.69 | 5.30 | 8.14 | 8.50 | 9.69 |
| 25 | 4.75 | 6.74 | 10.06 | 9.60 | 5.41 | 8.24 | 8.23 | 11.85 |
| 50 | 4.74 | 5.68 | 8.33 | 11.17 | 5.51 | 7.58 | 8.31 | 11.94 |
| 100 | 3.78 | 5.20 | 7.49 | 9.98 | 5.01 | 7.57 | 10.26 | 12.55 |
| 200 | 3.00 | 3.51 | 5.93 | 7.84 | 4.38 | 7.23 | 10.36 | 11.77 |
| 400 | 1.96 | 2.04 | 3.76 | 3.97 | 4.73 | 5.94 | 11.92 | 11.00 |
| 800 | 0.16 | 1.27 | 1.33 | 0.83 | 4.38 | 0.99 | 3.51 | 8.62 |