Phosphorus Content and Enzymatic Activity  in the Cultural Layers of the Bronze Age Settlement Ksizovo 1 (Xxiv�xxiii ��)

Kashirskaya, N. N.; Potapova, Anastasia; Gak, E.; Ivashov, Maxim; Борисов, А. В.

doi:10.5593/sgem2020/3.1/s13.064

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“…до н.э.) в лесостепной зоне выявило резкое увеличение поступления в почву фосфора, причем максимальные величины содержания минеральных и органических форм фосфора были зафиксированы в местах обнаружения очага [Потапова и др., 2020;Kashirskaya, Potapova et al, 2020]. В культурном слое Михайловского кордона по периметру раскопа 4 экстремально высокое значение органического фосфора -6,3 мг Р 2 О 5 / г почвы -было выявлено в квадрате 20, в восточной части раскопа (рис.…”

Section: результаты исследованийunclassified

Paleosurface studies of the remains of a building in the Mikhailovsky Cordon settlement

Potapova,

Arsenova,

Kashirskaya

et al. 2024

VAAE

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Pedoarchaeological study of the remains of a building on the territory of the Old Slavic site (the settlement of Mik-hailovsky Cordon — the Slavic Borshevo Culture of the late 1st mil. AD) in the Voronezh region were carried out in order to obtain new data on the layout of the settlement, the type of housing building, life sustainability, economy, and residen-tial use. The main purpose of soil research was the identification of the nature of the use of the building and the recon-struction of the economic activities in the adjacent territory. The determination of organic and mineral forms of phos-phates, urease activity, and the quantity of microorganisms of various trophic groups in the ‘natopt’ (trampled soil) at the bottom of the pit and in the soil outside of the building was carried out. It has been established that the most pro-nounced traces of economic activity have been preserved in the soils to the west of the building where the summer stove was located. In this area, the content of phosphates reached 2 mg P2O5/g soil. The soil to the northeast of the construction pit is characterized by the accumulation of organic matter, which is confirmed not only by a high content of organic phosphorus, but also by rather high quantity of saprotrophic bacteria, indicating organic contamination of the soil, which suggests the ingress of organic substrates into the soil (manure, feces, household waste). The values of many indicators of anthropogenic activity inside the building turned out to be unexpectedly low. As such, the low content of phosphates, saprotrophic bacteria and keratinophilic fungi in the analysed ‘natopt’ in the building at the bottom of the pit indicate a low intensity, or periodic use of the premises.

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Section: результаты исследованийunclassified