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Table 1.
Soil characteristics of the experimental plot, 2016 (experimental field of KSAA)
| Index | Genetic horizon | ||
|---|---|---|---|
| Aп | AB | ||
| 1. Power, cm | 0‐20 | 20‐36 | |
| 2. Granulometric composition, particle content, % | less than 0.01 mm | 38.5 | 36.9 |
| less than 0.001 mm | 57.7 | 57.1 | |
| 3. Soil density, g/cm3 | 1.09 | 1.14 | |
| 4. Acidity, pH of the extract | water | 6.42 | 6.35 |
| saline | 5.62 | 5.56 | |
| 5. Hydrolytic acidity, Ng | mg . eq. per 100 g of soil | 3.21 | 1.25 |
| 6. Absorption capacity, CEC | mg . eq. per 100 g of soil | 28.4 | 16.5 |
| 7. The degree of saturation with bases, V, % | 88.7 | 92.5 | |
| 8. Absorbed base, mg . eq per 100 g of soil | Ca2+ | 18.5 | 12.8 |
| Mg2+ | 6.7 | 2.5 | |
| 9. Content, % | Ntotal | 0.264 | 0.264 |
| P2O5 | 0.135 | 0.135 | |
| К2O | 2.22 | 2.22 | |
| Humus | 4.63 | 3.26 | |
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