Table 4.
Input data of study sites for model calibration.
| Parameters | High Rainfall | Low rainfall | Irrigated |
|---|---|---|---|
| Pullman | Lind | Moses Lake | |
| Input Data | |||
| Planting date | 15-Oct | 1st Sept | 1st Sept |
| Seed rate (kg ha−1) | 110 | 60 | 106 |
| Plant population (plants m−2) | 200 | 150 | 200 |
| Fertilizer rate (Kg ha−1) | 160–200 | 110–150 | 150–250 |
| Row to row distance (cm) | 25–30 | 40 to 55 | 40 to 55 |
| Emergence | 22-Oct | 8-Sep | 8-Sep |
| Winter dormancy | December to March | December to March | December to March |
| Spring green up | March | March | March |
| End Vegetative | 6-Jun | 18-May | 18-May |
| Flowering | 11-Jun | 23-May | 23-May |
| Begin GF | 4-Jul | 10-Jun | 10-Jun |
| Begin Senescence | 9th July | 15-Jun | 15-Jun |
| Maturity | 3rd August | 10th July | 10th July |
| Harvesting | 14-Aug | 19th July | 19th July |
| Leaf area index (LAI) | 6 | 4 | 6 |
| Kernels per spike | 40–50 | 30–38 | 40–50 |
| Spikes per m2 | 400–600 | 275–300 | 400–600 |
| Thousand kernel weight | 45–55 gm | 38–40 gm | 45–55 gm |
| Biomass (Kg ha−1) | 15879 | 7729 | 20577 |
| Grain Yield (Kg ha−1) | 6779 | 2870 | 8916 |
| Soil depth | Initial soil water (mm mm −1 ) | ||
| 0–0.1 m | 0.13 | 0.05 | 0.05 |
| 0.1–0.2 m | 0.13 | 0.11 | 0.13 |
| 0.2–0.3 m | 0.17 | 0.11 | 0.15 |
| 0.3–0.4 m | 0.17 | 0.12 | 0.15 |
| 0.4–0.5 m | 0.2 | 0.12 | 0.15 |
| 0.5–0.7 m | 0.19 | 0.12 | 0.15 |
| 0.7–1.0 m | 0.2 | 0.13 | 0.16 |
| 1.0–1.5 m | 0.2 | 0.14 | 0.16 |