Enter the number of seeds tested and daily germination counts to compute germination percentage, germination energy, germination index (GI) and vigour index (VI).
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Germination percentage | GP = normal / total × 100 | GB/T 3543.4-1995 |
| Germination energy | GE within initial count days | ISTA Rules |
| Vigour index (VI) | VI = GI × seedling length | Abdul-Baki & Anderson 1973 |
种子发芽率与活力指数计算器。农业种植工具,帮助计算种植参数与产量。