Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

The Effect of Crop Rotation and Cultivation History on Predicted Carbon Sequestration in Soils of Two Experimental Fields in the Moscow Region, Russia

Kristina Prokopyeva
ORCID logo ,
Vladimir Romanenkov
,
Nadezhda Sidorenkova
,
Vera Pavlova
,
Stanislav Siptits
,
Pavel Krasilnikov
* ORCID logo
Version 1 : Received: 29 November 2020 / Approved: 7 December 2020 / Online: 7 December 2020 (09:36:42 CET)

A peer-reviewed article of this Preprint also exists.

Prokopyeva, K.; Romanenkov, V.; Sidorenkova, N.; Pavlova, V.; Siptits, S.; Krasilnikov, P. The Effect of Crop Rotation and Cultivation History on Predicted Carbon Sequestration in Soils of Two Experimental Fields in the Moscow Region, Russia. Agronomy 2021, 11, 226. Prokopyeva, K.; Romanenkov, V.; Sidorenkova, N.; Pavlova, V.; Siptits, S.; Krasilnikov, P. The Effect of Crop Rotation and Cultivation History on Predicted Carbon Sequestration in Soils of Two Experimental Fields in the Moscow Region, Russia. Agronomy 2021, 11, 226.

Abstract

Soil organic carbon (SOC) sequestration in arable soils is a challenging goal for soil management. Multiple factors should be considered for the prediction of the soil capacity to fix atmospheric carbon. In this study, we focused on the effect of crop rotation and previous land use for future carbon sequestration on two experimental fields with identical soils (Retisols) and input of organic fertilizers. We analyzed the SOC dynamics and used the Roth C model to forecast SOC changes under RCP4.5 and RCP8.5 scenarios. Our experimental and modelling results indicated a consistent increase in SOC stocks and the stable fractions of soil organic matter (SOM). The increase in SOC was higher in the experiment with the crop-grassland rotation that in the experiment with a rotation of row crops and barley. With similar total SOC stocks, the efficiency of soil management differed as reflected by the contrasting composition of SOM, as fields with a long cultivation history showed higher SOM stability. The goal of 4‰ annual increase of SOC stocks may be reached under crop- grassland rotation in 2020-40 and 2080-90 when applying mineral or organic fertilizer system for scenario RCP4.5, and mineral fertilizer system in 2080-2090 for scenario RCP8.5.

Keywords

soil organic carbon; long-term experiments; RothC model; climate change; "4 per 1000" initiative; Retisols

Subject

Biology and Life Sciences, Anatomy and Physiology

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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