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Transformation of Trioctahedral Mica in the Upper Mineral Horizon of Podzolic Soil during the Two-Year-Long Field Experimentстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 11 сентября 2018 г.
- Авторы: Tolpeshta I.I., Sokolova T.A., Vorob’eva A.A., Izosimova Yu G.
- Журнал: Eurasian Soil Science
- Том: 51
- Номер: 7
- Год издания: 2018
- Издательство: Maik Nauka/Interperiodica Publishing
- Местоположение издательства: Russian Federation
- Первая страница: 843
- Последняя страница: 856
- Оригинальные версии: ТРАНСФОРМАЦИЯ ТРИОКТАЭДРИЧЕСКОЙ СЛЮДЫ В ВЕРХНЕМ МИНЕРАЛЬНОМ ГОРИЗОНТЕ ПОДЗОЛИСТОЙ ПОЧВЫ ПО РЕЗУЛЬТАТАМ ДВУХЛЕТНЕГО ПОЛЕВОГО ЭКСПЕРИМЕНТА
- DOI: 10.1134/S1064229318050125
- Аннотация: An experiment on transformation of biotite (fraction <1 μm) particles placed into containers with different permeability in the AEL horizon of podzolic soil was performed in order to estimate the contribution of different factors to the transformation of biotite in the modern soil. After two-year-long incubation in the AEL horizon, biotite was transformed into vermiculite, mixed-layer biotite–vermiculite, and pedogenic chlorite. The most intense vermiculitization of the biotite took place under the impact of fungal hyphae and, to a lower degree,fine plant roots and components of the soil solution. The formation of labile structures from biotite was accompanied by thinning of the mica crystallites, the disturbance of the homogeneity of layers, the removal of interlayer K, the removal and oxidation of octahedral Fe, the increase in the sum of exchangeable cations, and the appearance of exchangeable Al. The process of chloritization was definitely diagnosed upon the action of plant roots and fungal hyphae on the biotite. Strong complexing anions released by fungal hyphae partly inhibited chloritization. Chloritization led to a decrease in the cation exchange capacity of vermiculitic structures.
- Добавил в систему: Соколова Татьяна Алексеевна