Influence of No-Till Practices on the Organic Matter Chemical Composition of Protocalcic, Endocalcic and Pantocalcic Chernozems

Vladimir Alexeevich Kholodov; Yulian Robertovich Farkhodov; Nadezhda Vasilievna Yaroslavtseva; Svyatoslav Vadimovich Maximovich; Sergei Anatolievich Yudin; Nikita Romanovich Ermolaev; Victor Korneevich Dridiger; Boris Sergeevich Ilyin; Vladimir Ivanovich Lazarev; Victor Petrovich Belobrov

doi:10.20944/preprints202111.0475.v1

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preprints.org > biology and life sciences > agricultural science and agronomy > doi: 10.20944/preprints202111.0475.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Influence of No-Till Practices on the Organic Matter Chemical Composition of Protocalcic, Endocalcic and Pantocalcic Chernozems

Vladimir Alexeevich Kholodov

^* ,

Yulian Robertovich Farkhodov

Nadezhda Vasilievna Yaroslavtseva

Svyatoslav Vadimovich Maximovich

Sergei Anatolievich Yudin

Nikita Romanovich Ermolaev

Victor Korneevich Dridiger

Boris Sergeevich Ilyin

Vladimir Ivanovich Lazarev

Victor Petrovich Belobrov

Version 1 : Received: 23 November 2021 / Approved: 25 November 2021 / Online: 25 November 2021 (12:53:08 CET)

How to cite: Kholodov, V.A.; Farkhodov, Y.R.; Yaroslavtseva, N.V.; Maximovich, S.V.; Yudin, S.A.; Ermolaev, N.R.; Dridiger, V.K.; Ilyin, B.S.; Lazarev, V.I.; Belobrov, V.P. Influence of No-Till Practices on the Organic Matter Chemical Composition of Protocalcic, Endocalcic and Pantocalcic Chernozems. Preprints 2021, 2021110475. https://doi.org/10.20944/preprints202111.0475.v1 Kholodov, V.A.; Farkhodov, Y.R.; Yaroslavtseva, N.V.; Maximovich, S.V.; Yudin, S.A.; Ermolaev, N.R.; Dridiger, V.K.; Ilyin, B.S.; Lazarev, V.I.; Belobrov, V.P. Influence of No-Till Practices on the Organic Matter Chemical Composition of Protocalcic, Endocalcic and Pantocalcic Chernozems. Preprints 2021, 2021110475. https://doi.org/10.20944/preprints202111.0475.v1

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MDPI and ACS Style

Kholodov, V.A.; Farkhodov, Y.R.; Yaroslavtseva, N.V.; Maximovich, S.V.; Yudin, S.A.; Ermolaev, N.R.; Dridiger, V.K.; Ilyin, B.S.; Lazarev, V.I.; Belobrov, V.P. Influence of No-Till Practices on the Organic Matter Chemical Composition of Protocalcic, Endocalcic and Pantocalcic Chernozems. Preprints 2021, 2021110475. https://doi.org/10.20944/preprints202111.0475.v1

APA Style

Kholodov, V.A., Farkhodov, Y.R., Yaroslavtseva, N.V., Maximovich, S.V., Yudin, S.A., Ermolaev, N.R., Dridiger, V.K., Ilyin, B.S., Lazarev, V.I., & Belobrov, V.P. (2021). Influence of No-Till Practices on the Organic Matter Chemical Composition of Protocalcic, Endocalcic and Pantocalcic Chernozems. Preprints. https://doi.org/10.20944/preprints202111.0475.v1

Chicago/Turabian Style

Kholodov, V.A., Vladimir Ivanovich Lazarev and Victor Petrovich Belobrov. 2021 "Influence of No-Till Practices on the Organic Matter Chemical Composition of Protocalcic, Endocalcic and Pantocalcic Chernozems" Preprints. https://doi.org/10.20944/preprints202111.0475.v1

Abstract

Reducing the amount of precipitation in summer in the Chernozems area alters soil organic matter (SOM). To compensate for the lack of moisture, farmers are introducing new agricultural technologies such as no-till cultivation. In turn, no-till practices influence the composition of SOM. We examined the impacts of the rise of aridity and no-till technology on the chemical composition of bioavailable and recalcitrant pools of OM. The properties of SOM were assessed using double-shot pyrolysis with gas chromatography/mass spectrometry (GC/MS). The thermolabile substances that are volatilised in the first stage of pyrolysis (300°C) are considered the bioavailable pool. Accordingly, substances are obtained in the second pyrolysis stage (500°C) were attributed to the recalcitrant pool. Identified in both steps of pyrolysis, products were assigned to different chemical groups (lignin-derivative, polysaccharide-fragments, indoles, etc.) and relative abundances were calculated. In work for the separation of substances, a polar column was used for chromatography of the thermolabile fraction. With an increase in aridity in Сhernozems, the content in the bioavailable pool of polysaccharide fragments decreased and the proportion of indoles increased. In the recalcitrant pool, the abundance of six-membered rings with nitrogen and aromatic compounds decreases at the same time the contents of unsubstituted and O-substituted acyclic compounds as well as pyridine increases. The influence of the NT was more noticeable in the recalcitrant OM. The NT practice promotes biological activity and to rich in nitrogen compounds the bioavailable OM; this process contributes to the accumulation of carbon in the recalcitrant OM.

Keywords

Chernozems; No-till; soil organic matter; Calcium; double-shot pyrolysis; GC/MS

Subject

Biology and Life Sciences, Agricultural Science and Agronomy

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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