Onion vs Tomato
Both are Vegetable. Each axis is a percentile across all 538 crops — 80 means higher than four-fifths of the table. Where an axis is missing, the crop genuinely is not measured that way.
Onion
Tomato
| Measure | Onion | Tomato |
|---|---|---|
| Season | Rabi · Kharif | Year-round |
| Sowing window | Oct–Nov, Jun–Jul | Jun–Jul, Oct–Nov, Jan–Feb |
| Days to harvest | 120–150 | 110–140 |
| Spacing | 15 × 10 cm | 60 × 45 cm |
| Soil pH | 6.0–7.5 | 6.0–7.0 |
| Water | 350–550 | 400–600 |
| Temperature °C | 13–25 | 20–27 |
| Seed rate | 8–10 kg | 250–400 g |
| Yield | 25–35 t | 25–40 t |
| Watch for | Thrips, purple blotch, basal rot | Fruit borer, leaf curl virus, early blight |