Table 2.
Irrigation and fertilization management under each cultivation pattern in the field experiments.
| Treatment | Rate of fertilizer application (kg ha-1) |
Irrigation amount at each stage (m3 ha-1) |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| ∗ | N | P2O5 | K2O | ZnSO4 | Organic fertilizer | Soil moisture water | Turning green stage | Jointing stage | Blossom filling stage |
| FP | 225 | 75 | 60 | 0 | 0 | 900 | 600 | 0 | 900 |
| OFP | 180 | 75 | 60 | 0 | 0 | 600 | 0 | 900 | 750 |
| SH | 300 | 150 | 150 | 15 | 1500 | 600 | 0 | 900 | 900 |
| HH | 240 | 90 | 90 | 15 | 1500 | 600 | 0 | 900 | 750 |
∗FP, local farming practice; OFP, optimized cultivation compared with FP; SH, super high-yielding cultivation; HH, high-yielding and high-efficiency cultivation.