Carbon dioxide production by soil and its emission in the course of nitrogen containing substances mineralization
1994
Semenov, V.M. | Kuznetsova, T.V. | Rozonova, L.N. | Kudeyarov, V.N.
Net mineralization of 14N in a leached chernozem, grey forest and sod-podzolic soils has been determined in a vegetation experiment with 15N labelled nitrogen fertilizers. C-CO2 emission was determined simultaneously with the help of membrane sampling devices and glass isolators. Soil nitrogen net mineralization is shown to be conjugated with the cumulative C-CO2 emanations from soil; its ratio to the mineralized nitrogen proved to be equal 4-8, when isolators were used and 40-80 in case of membranes. The amount of mineralized nitrogen correlated with its pool in the microbial biomass
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