| Substrates of culture | Mineral fertilizer (kg ha−1) | Compost treatments (t∙ha−1) | ||
| Background fertilizer | 2nd leaf stage mature | 3rd leaf stage mature | ||
| S1 (no fertilizer) | 0 | 0 | 0 | 0 |
| S2 | 360 (4 g per plant) | 630 (7 g per plant) | 990 (11 g per plant) | 0 |
| S3 | 0 | 0 | 0 | 27 (300 g/plant) |
| S4 | 0 | 0 | 0 | 54 (600 g/plant) |
| S5 | 180 (2 g per plant) | 315 (3.5 g per plant) | 495 (5.5 g per plant) | 27 (300 g per plant) |
| S6 | 90 (1 g per plant) | 157.5 (1.75 g per plant) | 247.5 (2.75 g per plant) | 54 (600 g per plant) |