| Group of Elements | Element | Composition, mg/kg | ||
|---|---|---|---|---|
| SM | CW | Background | ||
| Fertilizer elements | N | 21280 | 22000 | 27720 |
| P | 3090 | 2140 | 3440 | |
| K | 13600 | 12570 | 26960 | |
| Ameliorant components | Ca | 1320 | 2400 | 4240 |
| Mg | 2430 | 1100 | 1460 | |
| Major elements | Si | 2120 | 1940 | 1630 |
| Al | 270 | 140 | 125 | |
| Na | 240 | 90 | 90 | |
| Fe | 710 | 830 | 450 | |
| Mn | 165 | 140 | 25 | |
| Toxic metals | Ni | 425 | 355 | 5 |
| Cu | 255 | 215 | 6 | |
| Co | 10 | 9 | 0,2 | |
| Trace elements | Zn | 11 | 13 | 38 |
| Cr | 15 | 11 | 8 | |
| Pb | 3 | 3 | 0,2 | |