Table 3 Ratio of some essential elements to their homologous nonessential elements in leaves and soils (0.1 M HCl extraction)
From: Application of ionomics to plant and soil in fields under long-term fertilizer trials
| Â | K/Na | Ca/Sr | Ca/Ba | Mg/Sr | Mg/Ba | P/As | Zn/Cd |
|---|---|---|---|---|---|---|---|
Soil | 5 | 180 | 79 | 14 | 6 | 50 | 33 |
Leaf | 93 | 318 | 1602 | 201 | 1016 | 13,059 | 204 |