| Autor: |
Mikhail V. Yakutin, Boris M. Klenov |
| Rok vydání: |
2021 |
| Předmět: |
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| Zdroj: |
Interexpo GEO-Siberia. 4:80-87 |
| ISSN: |
2618-981X |
| DOI: |
10.33764/2618-981x-2021-4-2-80-87 |
| Popis: |
The article analyzes the change in the indicator of the cation exchange capacity (CEC) in the humus of the latitudinal series of soils in Western Siberia. It is shown that not all humus substances are able to perform the function of cation exchange and participate in the formation of the organic part of the soil EC. It is shown that the organic matter in the latitudinal range of soils in Western Siberia is distributed in accordance with the known geographical pattern of the distribution of the total humus stock and the main characteristics of this stock. An unconventional evaluation method for determining the EC is proposed using analytical data on the content of acidic functional groups in humic acids and the composition of humic substances, which allows us to separately assess the contribution of humic and fulvic acids in the composition of the EC of the soil. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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