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. 2021 May 25;11:10841. doi: 10.1038/s41598-021-90359-4

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Soil temperature and soil moisture (0–5 cm) as influenced by moisture treatments in 2018 (a) and 2019 (b). Dashed line in the legend represents the soil temperature and solid line represents the soil moisture. Daily CO₂ fluxes during the growing season in 2018 (c) and 2019 (d). Legend for daily CO₂ fluxes is same as soil moisture. Vertical dashed line represents shelter establishment date and solid line represents shelter removal date. Inset: cumulative CO₂ emissions during the growing season. Error bars represent standard error (n = 3).