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Review

The Increase of Soil Organic Matter Reduces Global Warming, Myth or Reality?

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Department of Agrochemistry and Environment, Miguel Hernandez University of Elche, Avda. de la Universidad s/n, 03202 Elche, Alicante, Spain
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Laboratory of Chemical Engineering and Engineering Sustainability, Faculty of Pure and Applied Sciences, Environmental Conservation and Management, Open University of Cyprus, P.O. Box 12794, Latsia 2252, Nicosia, Cyprus
*
Author to whom correspondence should be addressed.
Academic Editors: Claus Jacob and Ryusuke Hatano
Received: 6 November 2020 / Revised: 14 January 2021 / Accepted: 5 March 2021 / Published: 8 March 2021
(This article belongs to the Special Issue Feature Papers 2020 Editors' Collection)
The soil has lost organic matter in the past centuries. Adding organic matter to soils is one of the management practices applied to recover the levels of soil carbon of the past and to improve soil properties. Is it a good practice to reduce global warming? In fact, one of the practices promoted to combat climate change is increasing soil organic matter. However, the addition of organic residues to the soil could facilitate the liberation of CO2 and wastes could also have no positive effects on soil properties (i.e., pollution). In this sense, what it is important is: (a) to know which is the expected effect of the organic matter added to the soil; (b) how this application alters the soil processes; (c) which are the management practices that should be applied; (d) how much is the real amount of carbon sequester by the soil and; (e) the balance at short and long period after the application of the organic matter. The adequate strategy should be to favour the increment of biologically stabilized soil organic matter considering medium and long time. However, it is necessary to adapt the strategies to the local environmental conditions. View Full-Text
Keywords: carbon stock; climate change; humus; organic wastes; soil management carbon stock; climate change; humus; organic wastes; soil management
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MDPI and ACS Style

Navarro-Pedreño, J.; Almendro-Candel, M.B.; Zorpas, A.A. The Increase of Soil Organic Matter Reduces Global Warming, Myth or Reality? Sci 2021, 3, 18. https://doi.org/10.3390/sci3010018

AMA Style

Navarro-Pedreño J, Almendro-Candel MB, Zorpas AA. The Increase of Soil Organic Matter Reduces Global Warming, Myth or Reality? Sci. 2021; 3(1):18. https://doi.org/10.3390/sci3010018

Chicago/Turabian Style

Navarro-Pedreño, Jose, María B. Almendro-Candel, and Antonis A. Zorpas 2021. "The Increase of Soil Organic Matter Reduces Global Warming, Myth or Reality?" Sci 3, no. 1: 18. https://doi.org/10.3390/sci3010018

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