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Table 3.
Effect of zeolite and mineral fertilizers on the agrochemical properties of leached chernozem (average for the vegetation of maize, 2018), mg/kg
| Option | (N‐NH4)+(N‐NO3) | P2O5 | K2O | |||
|---|---|---|---|---|---|---|
| Content | Deviation from control, ± | Content | Deviation | Content | Deviation | |
| Zeolite, 500 kg/ha | 7.8 | – | 148 | ‐ | 119 | ‐ |
| Zeolite, 500 kg/ha | 8.4 | +0.6 | 153 | +5 | 129 | +10 |
| Zeolite, 2000 kg/ha | 8.4 | +0.6 | 158 | +10 | 131 | +12 |
| N60P60 K60 (NPK) | 11.3 | +3.5 | 180 | +32 | 149 | +30 |
| Zeolite, 500 kg/ha + NPK | 11.5 | +3.7 | 181 | +33 | 153 | +34 |
| Zeolite, 20000 kg/ha + NPK | 11.7 | +3.9 | 183 | +35 | 158 | +39 |
| Zeolite, 500 kg/ha + N60 | 11.8 | +4.0 | 150 | +2 | 121 | +2 |
| Zeolite, 2000 kg/ha + N60 | 11.9 | +4.1 | 158 | +10 | 127 | +8 |
| LSD05 | 0.4 | 5 | 8 | |||
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