Dynamics of denitrification and ammonification activities in the abandoned and intensely cultivated gray forest soils (Tula oblast)

The results of experimental study of daily dynamics of denitrification activity and the activity and population density of ammonifiers in the abandoned (converted to long-term fallow) and intensely cultivated gray forest soils (Luvic Retic Greyzemic Phaeozems (Aric)) are discussed. The potential den...

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Bibliographic Details
Published in:Eurasian soil science 2017-04, Vol.50 (4), p.438-444
Main Authors: Emer, N. R., Kostina, N. V., Golichenkov, M. V., Netrusov, A. I.
Format: Article
Language:English
Subjects:
Ammonification
Denitrification
Earth and Environmental Science
Earth Sciences
Forest soils
Geotechnical Engineering & Applied Earth Sciences
Population density
Soil Chemistry
Soil microbiology
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Summary:The results of experimental study of daily dynamics of denitrification activity and the activity and population density of ammonifiers in the abandoned (converted to long-term fallow) and intensely cultivated gray forest soils (Luvic Retic Greyzemic Phaeozems (Aric)) are discussed. The potential denitrification activity in the arable soil is higher than that in the fallow soil, whereas the actual denitrification activity in the arable soil is lower. Data on the dynamics of ammonification do not show reliable differences between the activities of ammonifiers in the arable and fallow soils, though the number of ammonifying bacteria is considerably higher in the arable soil. Differences in daily dynamics of the numbers of ammonifiers in the fallow and arable soils are shown.
ISSN:1064-2293
1556-195X
DOI:10.1134/S1064229317040032