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A well-established fact: Rapid mineralization of organic inputs is an important factor for soil carbon sequestration
European Journal of Soil Science ( IF 4.2 ) Pub Date : 2022-04-27 , DOI: 10.1111/ejss.13242
Denis Angers 1 , Dominique Arrouays 2 , Rémi Cardinael 3, 4, 5 , Claire Chenu 6 , Marc Corbeels 3, 7 , Julien Demenois 3, 8, 9 , Mark Farrell 10 , Manuel Martin 2 , Budiman Minasny 11 , Sylvie Recous 12 , Johan Six 13
Affiliation  

We have read with interest an opinion paper recently published in the European Journal of Soil Science (Berthelin et al., 2022). This paper presents some interesting considerations, at least one of which is already well known to soil scientists working on soil organic carbon (SOC), that is, a large portion (80%–90%) of fresh carbon inputs to soil is subject to rapid mineralization. The short-term mineralization kinetics of organic inputs is well-known and accounted for in soil organic matter models. Thus, clearly, the long-term predictions based on these models do not overlook short-term mineralization. We point out that many agronomic practices can significantly contribute to SOC sequestration. If conducted responsibly whilst fully recognising the caveats, SOC sequestration can lead to a win-win situation where agriculture can both contribute to the mitigation of climate change and adapt to it, whilst at the same time delivering other co-benefits such as reduced soil erosion and enhanced biodiversity.

中文翻译:

一个公认的事实:有机投入物的快速矿化是土壤固碳的重要因素

我们感兴趣地阅读了最近发表在《欧洲土壤科学杂志》(Berthelin 等人,2022 年)上的一篇观点论文。本文提出了一些有趣的考虑,其中至少有一个为研究土壤有机碳 (SOC) 的土壤科学家所熟知,即土壤中的大部分(80%–90%)新鲜碳输入受到快速矿化。有机输入的短期矿化动力学是众所周知的,并在土壤有机质模型中得到了解释。因此,很明显,基于这些模型的长期预测并没有忽视短期矿化。我们指出,许多农艺实践可以显着促进 SOC 封存。如果在充分认识到警告的同时负责任地进行,
更新日期:2022-04-27
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