Casuarina vs Hardwickia
Both are Tree. 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.
Casuarina
Hardwickia
| Measure | Casuarina | Hardwickia |
|---|---|---|
| Season | Perennial | Perennial |
| Sowing window | Jun–Jul | Jun–Jul |
| Days to harvest | 4–7 yr | 30–50 yr |
| Spacing | 2 × 2 m | 5 × 5 m |
| Soil pH | 6.0–8.5 | 6.5–8.0 |
| Water | 700–1200 | 500–1000 |
| Temperature °C | 20–38 | 20–42 |
| Seed rate | Seedlings | Nursery |
| Yield | 20–30 m³/yr | 2–4 m³/yr |
| Watch for | Blister bark, termite | Heart rot, borer |