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Table 2.
Enzymatic activity of leached chernozem depending on the use of zeolite as maize fertilizer
| Option | Hydrolase activity | Oxidoreductase | ||||
|---|---|---|---|---|---|---|
| Protease, mg glycine 1 g of soil/24 g | Cellulase, mg glucose/ 10 g soil/48 g | Phosphatase, mg P2O5/1 g soil/30 min | Polyphenol oxidase, ml 0.01 per solution I2/1/1 g of soil | Peroxidase, ml of solution I2 / 1/1 g of soil / 2min | Catalase, cm 3O2 / 1 g soil / 2 min | |
| Control | 8.66 | 6.45 | 2.61 | 8.20 | 3.95 | 13.,09 |
| Zeolite, 500 kg/ha | 8.89 | 6.48 | 2.66 | 8.31 | 3.79 | 14.88 |
| Zeolite, 500 kg/ha + N60 | 9.21 | 7.11 | 2.96 | 8.49 | 3.89 | 14.16 |
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