Water Chestnut vs Watercress
Both are Aquatic. 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.
Water Chestnut
Watercress
| Measure | Water Chestnut | Watercress |
|---|---|---|
| Season | Kharif | Perennial |
| Sowing window | Jun–Jul | Sep–Oct |
| Days to harvest | 150–180 | 50–70 |
| Spacing | 150 × 150 cm | 20 × 15 cm |
| Soil pH | 6.5–7.5 | 6.5–7.5 |
| Water | Ponded 50–100 cm | Flowing water |
| Temperature °C | 20–32 | 10–20 |
| Seed rate | 150–200 kg | Cuttings |
| Yield | 6–10 t | 20–30 t |
| Watch for | Leaf beetle, aphid | Leaf spot, aphid |