Association between irrigation thresholds and promotion of soil organic carbon decomposition in sandy soil

Abstract Soil organic carbon (SOC) has a significant effect on the carbon cycle, playing a vital role in environmental services and crop production. Increasing SOC stock is identified as an effective way to improve carbon dioxide sequestration, soil health, and plant productivity. Knowing soil water...

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Autores principales:	Jean-Pascal Matteau, Paul Célicourt, Guillaume Létourneau, Thiago Gumiere, Christian Walter, Silvio J. Gumiere
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d2f6e32f296f41788b10c40f1d25276a
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spelling	oai:doaj.org-article:d2f6e32f296f41788b10c40f1d25276a2021-12-02T14:02:53ZAssociation between irrigation thresholds and promotion of soil organic carbon decomposition in sandy soil10.1038/s41598-021-86106-42045-2322https://doaj.org/article/d2f6e32f296f41788b10c40f1d25276a2021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86106-4https://doaj.org/toc/2045-2322Abstract Soil organic carbon (SOC) has a significant effect on the carbon cycle, playing a vital role in environmental services and crop production. Increasing SOC stock is identified as an effective way to improve carbon dioxide sequestration, soil health, and plant productivity. Knowing soil water is one of the primary SOC decomposition driver, periods in the crops growth stages with increased water movement might influence the SOC dynamics. Here, we evaluate the temporal effect of four precision irrigation thresholds ( $$-15$$ - 15 , $$-30$$ - 30 , $$-45$$ - 45 , and $$-60$$ - 60 kPa) in potato crop on SOC dynamics using the Partial Least Square algorithm and the Tea Bag Index in a sandy soil under potato production. The difference of SOC decomposition rate between the precision irrigation thresholds is developed in the second quarter of the growing season, between 38 and 53 days after planting. This critical period occurred in a stage of strong vegetative growth and rapid irrigation cycles. The precision irrigation threshold affected the decomposition rate of SOC. A faster decomposition of labile organic carbon was promoted by water excess ( $$-15$$ - 15 kPa). The dryer ( $$-30$$ - 30 , $$-45$$ - 45 , and $$-60$$ - 60 kPa) precision irrigation thresholds did not show any differences. The advancement of this knowledge may promote soil health conservation and carbon sequestration in agricultural soil.Jean-Pascal MatteauPaul CélicourtGuillaume LétourneauThiago GumiereChristian WalterSilvio J. GumiereNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jean-Pascal Matteau Paul Célicourt Guillaume Létourneau Thiago Gumiere Christian Walter Silvio J. Gumiere Association between irrigation thresholds and promotion of soil organic carbon decomposition in sandy soil
description	Abstract Soil organic carbon (SOC) has a significant effect on the carbon cycle, playing a vital role in environmental services and crop production. Increasing SOC stock is identified as an effective way to improve carbon dioxide sequestration, soil health, and plant productivity. Knowing soil water is one of the primary SOC decomposition driver, periods in the crops growth stages with increased water movement might influence the SOC dynamics. Here, we evaluate the temporal effect of four precision irrigation thresholds ( $$-15$$ - 15 , $$-30$$ - 30 , $$-45$$ - 45 , and $$-60$$ - 60 kPa) in potato crop on SOC dynamics using the Partial Least Square algorithm and the Tea Bag Index in a sandy soil under potato production. The difference of SOC decomposition rate between the precision irrigation thresholds is developed in the second quarter of the growing season, between 38 and 53 days after planting. This critical period occurred in a stage of strong vegetative growth and rapid irrigation cycles. The precision irrigation threshold affected the decomposition rate of SOC. A faster decomposition of labile organic carbon was promoted by water excess ( $$-15$$ - 15 kPa). The dryer ( $$-30$$ - 30 , $$-45$$ - 45 , and $$-60$$ - 60 kPa) precision irrigation thresholds did not show any differences. The advancement of this knowledge may promote soil health conservation and carbon sequestration in agricultural soil.
format	article
author	Jean-Pascal Matteau Paul Célicourt Guillaume Létourneau Thiago Gumiere Christian Walter Silvio J. Gumiere
author_facet	Jean-Pascal Matteau Paul Célicourt Guillaume Létourneau Thiago Gumiere Christian Walter Silvio J. Gumiere
author_sort	Jean-Pascal Matteau
title	Association between irrigation thresholds and promotion of soil organic carbon decomposition in sandy soil
title_short	Association between irrigation thresholds and promotion of soil organic carbon decomposition in sandy soil
title_full	Association between irrigation thresholds and promotion of soil organic carbon decomposition in sandy soil
title_fullStr	Association between irrigation thresholds and promotion of soil organic carbon decomposition in sandy soil
title_full_unstemmed	Association between irrigation thresholds and promotion of soil organic carbon decomposition in sandy soil
title_sort	association between irrigation thresholds and promotion of soil organic carbon decomposition in sandy soil
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/d2f6e32f296f41788b10c40f1d25276a
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Association between irrigation thresholds and promotion of soil organic carbon decomposition in sandy soil

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