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Table 8.
The dynamics in the biological activity of soil at the recultivated site
| Variant of the experiment | The parameters of the biological activity of soil | ||||
|---|---|---|---|---|---|
| 2012 | 2014 | 2015 | 2017 | ||
| Cellulose-digesting activity, % | |||||
| 3-year composting period | 12.50 | 60.4 | 76.16 | 59.30 | |
| 5-year composting period | 10.80 | 54.3 | 79.68 | 49.05 | |
| Control sample | 19.50 | 28.0 | 29.61 | 25.18 | |
| LSD (0.5) | 4.94 | 10.66 | 18.69 | 12.25 | |
| Ammonifying activity, pH of air environment | |||||
| 3-year composting period | 5.0 | 9.0 | 8.30 | 8.75 | |
| 5-year composting period | 5.67 | 8.7 | 8.50 | 8.75 | |
| Control sample | 5.25 | 7.3 | 7.50 | 5.75 | |
| LSD (0.5) | 0.50 | 0.81 | 1.05 | 1.29 | |
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