Pyrethrum vs Rubber
Both are Plantation. 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.
Pyrethrum
Rubber
| Measure | Pyrethrum | Rubber |
|---|---|---|
| Season | Perennial | Perennial |
| Sowing window | Sep–Oct | Jun–Jul (planting) |
| Days to harvest | 2–3 yr | 6–7 yr to tap |
| Spacing | 45 × 30 cm | 4.9 × 4.9 m |
| Soil pH | 5.5–7.0 | 4.5–6.0 |
| Water | 800–1200 | 2000–3000 |
| Temperature °C | 10–22 | 25–34 |
| Seed rate | Splits | 420 plants |
| Yield | 0.8–1.5 t | 1.5–2 t dry rubber |
| Watch for | Aphid, root rot | Abnormal leaf fall, pink disease |