Open Access
Table 3.
Effect of mechanically activated zeolite on the dynamics of forms of potassium of leached chernozem, mg/kg
| Variant | Total potassium according to Buryanov) | Water soluble potassium | Exchange potassium according to Maslova | Non-exchangeable potassium according to Belkin | Unextractable residue |
|---|---|---|---|---|---|
| Control | 14300 | 10 | 294 | 1654 | 12341 |
| N60P60K60 – background | 14600 | 15 | 320 | 1535 | 12730 |
| background + MZ 10 t/ha | 14600 | 15 | 344 | 1481 | 12760 |
| background + MZ 15 t/ha | 15300 | 16 | 353 | 1491 | 13440 |
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