NDLI: Phosphatase activity in the surface and buried chestnut soils of the Volga-Don interfluve

Content Provider	Springer Nature Link
Author	Khomutova, T. E. Demkina, T. S. Kashirskaya, N. N. Demkin, V. A.
Copyright Year	2012
Abstract	The phosphatase activity (PA) was studied in the chestnut paleosols buried in 1718–1720 under the Anna Ivanovna rampart in the southern part of the Privolzhskaya Upland and in the middle of the third millennium BC under the burial mound of the Bronze Age on the Northern Yergeni Upland; the background analogues of these soils were also examined. The PA values in the fresh soil samples varied from 2.5 to 37 mg of P$_{2}$O$_{5}$/10 g of soil per h with maximums in the A1 horizon of the surface soils and in the B1 horizon of the paleosols. The PA values depended on the time of storage of the samples: with time, they increased by 2.6–2.9 times in the A1 horizon of the background surface soil and decreased by 20–60% in the other soil samples. The specific distribution patterns of the PA values in the soil profiles remained the same independently of the time of storage of the samples. Relatively small amounts of the soil samples were sufficient for the reliable determination of the PA: 1–2 g for the A1 horizon and 3–5 g for the B1 and B2 horizons. The time of incubation with the substrate had to be increased up to 4 h for the long-stored samples.
Starting Page	423
Ending Page	428
Page Count	6
File Format	PDF
ISSN	10642293
Journal	Eurasian Soil Science
Volume Number	45
Issue Number	4
e-ISSN	1556195X
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2012-04-15
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Geotechnical Engineering & Applied Earth Sciences
Content Type	Text
Resource Type	Article
Subject	Earth-Surface Processes Soil Science

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