Thermolabile and Thermostable Organic Matter of Chernozems under Different Land Uses
| العنوان: | Thermolabile and Thermostable Organic Matter of Chernozems under Different Land Uses |
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| المؤلفون: | Natalia A. Kulikova, Yu. R. Farkhodov, V. I. Lazarev, A. L. Ivanov, B. S. Ilyin, N. V. Yaroslavtseva, V. A. Kholodov, A. Yu. Aydiev |
| المصدر: | Eurasian Soil Science. 53:1066-1078 |
| بيانات النشر: | Pleiades Publishing Ltd, 2020. |
| سنة النشر: | 2020 |
| مصطلحات موضوعية: | chemistry.chemical_classification, Soil organic matter, Soil Science, 04 agricultural and veterinary sciences, 010501 environmental sciences, Furfural, 01 natural sciences, Humus, chemistry.chemical_compound, chemistry, Environmental chemistry, 040103 agronomy & agriculture, 0401 agriculture, forestry, and fisheries, Organic matter, Gas chromatography, Thermolabile, Pyrolysis, Chernozem, 0105 earth and related environmental sciences, Earth-Surface Processes |
| الوصف: | The purpose of the work is a comparative study of the molecular composition of thermolabile (volatilizes at 300°C) and thermostable (volatilizes at 500°C) fractions of organic matter from humus horizons of typical chernozems by double-shot pyrolysis followed by gas chromatographic separation and mass detection of the products. The objects of the study are typical chernozems under different land use types differing in the prevalent trends of organic matter transformation. As is shown, polysaccharides, furfural, and methylfurfural are the major contributors to the pyrolysis products of the chernozem thermolabile matter. The largest share of the pyrolysis products of thermostable matter belongs to nitrogen-containing compounds. It is demonstrated for the first time that the principal component analysis of the data on molecular composition of thermolabile organic matter makes it possible to divide the studied chernozems under different land uses into the groups reflecting the quasi-equilibrium state of soil organic matter, its degradation, or accumulation. |
| تدمد: | 1556-195X 1064-2293 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::b2905a4dc14be7eed399344a84d1bef2 https://doi.org/10.1134/s1064229320080086 |
| حقوق: | CLOSED |
| رقم الأكسشن: | edsair.doi...........b2905a4dc14be7eed399344a84d1bef2 |
| قاعدة البيانات: | OpenAIRE |
Find this article in full text from Springer Verlag. | تدمد: | 1556195X 10642293 |
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