Compute planting density and seedling count from spacing and area.
每亩株数 = 666.7 / (株距m × 行距m),单株占地 = 株距 × 行距。本工具按株行距与面积计算理论种植密度与总用苗量,供合理密植参考;纯前端计算。
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Density from spacing | D = 666.7/(a·b) | crop texts |
| Optimum density | Variety-specific range | variety bulletins |
| Seeding rate | Rate formula | GB/T 3543.4-1995 |
根据作物株距、行距与种植面积,计算理论种植密度和总用苗量。