Chernozem Soil Aggregates Micromorphometrical Parameters Dataset (2026) for Kursk Region (Central Russian Upland, Russian Federation)

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In this work, we present the Chernozem Soil Aggregates Micromorphometrical Parameters Dataset for specific areas located in the Central Russian Upland that can be utilized for the development of a digital twin of Chernozem. The present dataset represents a collection of soil aggregates’ micromorphometrical parameters (aggregate total area, minimal and maximal Feret diameters, form factor, elongation, unevenness, orientation) obtained through segmentation of soil thin sections’ digital images. Also, the dataset represents the data on physical and chemical properties of the studied soils (organic carbon content, inorganic carbon content, clay, silt, and sand fractions content, mean weight diameter of aggregates). Soil excavation and sampling were conducted in two stages: 24–25 April 2023 and 4 June 2024. Soil sampling sites were selected to provide a comparison of virgin Chernozem soils with plowed, non-eroded, and severely eroded ones. Soil sections were excavated at 9 key points. Laboratory analysis yielded 60 sets of data on physical and chemical properties and over 51,000 micromorphometric values for soil aggregates.

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