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Organic Matter of the Water-stable Structural Unites of Haplic Chernozem in Contrasting Variants of Land Use (Steppe vs. bare Fallow)статья
Дата последнего поиска статьи во внешних источниках: 5 июня 2024 г.
- Авторы: Artemyeva Z.S., Varlamov E.B., Zasukhina E.S., Tsomaeva E.V., Kogut B.M.
- Журнал: Moscow University Soil Science Bulletin
- Том: 78
- Номер: Suppl. 1
- Год издания: 2023
- Издательство: Allerton Press Inc.
- Местоположение издательства: United States
- Первая страница: S1
- Последняя страница: S11
- DOI: 10.3103/S0147687423060017
- Аннотация: The organic matter of water-stable macro- (2–1 mm) and free microaggregates (<0.25 mm) isolated from the 2–1 mm air-dry macroaggregates of Haplic Chernozem in the contrasting land use variants was studied by granulo-desitometric fractionation. It was revealed that water-stable free microaggregates are only parts of disintegrated macroaggregates. The composition of microaggregates unstable under the sonication (mWSA) within structural units of different sizes (macro- (WSAma) and microaggregates (WSAmi)) has been studied in detail. The composition of mWSA within WSA of different size is completely identical; they differ only in size, quantity, and packing density. Within WSAmi, the size and quantity of mWSA are by 1.7-and 1130-fold smaller than those within WSAma. The packing density of mWSAma is 1.5-fold less than that of mWSAmi.
- Добавил в систему: Артемьева Зинаида Семеновна