Potato vs Yam (Dioscorea)
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.
Potato
Yam (Dioscorea)
| Measure | Potato | Yam (Dioscorea) |
|---|---|---|
| Season | Rabi | Kharif |
| Sowing window | Oct–Nov | Apr–May |
| Days to harvest | 90–120 | 8–10 mo |
| Spacing | 60 × 20 cm | 90 × 60 cm |
| Soil pH | 5.5–6.5 | 5.5–6.5 |
| Water | 450–650 | 1200–1800 |
| Temperature °C | 15–22 | 25–32 |
| Seed rate | 2.5–3 t tubers | 2000–2500 kg |
| Yield | 25–35 t | 20–30 t |
| Watch for | Late blight, aphid, tuber moth | Anthracnose, nematode |