Schlagwort: soil carbon sequestration

Peer-reviewed Publications

Enebe et al. (2026): Rock powder amendment in enhancing plant-mediated carbon sequestration

Matthew Chekwube Enebe, Richard W. Griffin, Javad Barouei, Ram Ray, IN: Frontiers in Climate, https://doi.org/10.3389/fclim.2026.1863945

The global quest for controlling climate change and ensuring environmental sustainability has necessitated the need for the adoption of environmentally friendly measures for greenhouse gas emission control. These novel solutions for combating the rapid increase in greenhouse gas emissions involves the amendment of soil with rock powder for enhancing rock weathering and carbon capture. Under the influence of plant roots rhizosphere effects (rhizosphere acidification and organic acid secretion) that control nutrients and ions flux, rock powder undergoes weathering to release nutrients for plant uptake. These nutrients promote plants overall productivity, and photosynthetic potential for optimum uptake and conversion of CO₂ into organic carbon. This process of enhancing plant health, productivity and carbon uptake in the presence of weathered rock mineral is term rock powder enhanced plant-mediated carbon sequestration. In fact, plant-mediated carbon sequestration centers on the biological and physiological processes of photosynthesis involving carbon uptake, conversion into organic carbon and storage in biomass and soil. Specifically, no existing enhanced rock weathering (ERW) review has systematically detailed and explained the mechanisms of plant-mediated carbon sequestration. Hence, in this review, the authors explored the multifaceted contributions of rock powder in promoting plant mediated carbon sequestration and soil inorganic carbon sequestration. The authors discuss the distinct mechanisms by which rock powder contributes to plant productivity and the accumulation of inorganic and organic carbon pools in the soil. Additionally, the authors discuss the factors affecting the efficiency of rock powder mediated carbon sequestration, showing the rationale behind the variations in the results obtained from different research projects.

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Peer-reviewed Publications

Bolan et al. (2026): Weathering of biochar: implications to soil health, carbon sequestration and soil remediation

Nanthi Bolan, Santanu Mukherjee, Shiv Bolan, Shailja Sharma, Kurt Spokas, Jose Lucas Martins Melo, Joshua T. Padilla, David Houben, Murilo Veloso, Arthur Gross, Sreeni Chadalavada and Kadambot H. M. Siddique, IN: Biochar, https://doi.org/10.1007/s42773-026-00615-x

There has been increasing interest in the application of biochar as a soil amendment to sequester carbon and remediate contamination. The novelty of this review is that it provides thorough bibliometric analysis and critical discussions on various processes of biochar weathering, factors affecting the weathering processes, and the implication of biochar weathering on its potential value for carbon sequestration and soil remediation in relation to promoting soil health. Although biochar contains stabilized carbon, when exposed in the field, biochar undergoes physical, chemical, and biological weathering processes, which could lead to fragmentation of biochar, impacting its nature, characteristics, and reactivity. The weathering of biochar in soil is impacted by the nature of biochar, soil type, cultivation practices, and environmental conditions.

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Peer-reviewed Publications

Selvan & Panmei (2026): Carbon trading and sequestration in agroforestry and cropland management: a policy perspective

Thiru Selvan and Lumgailu Panmei, IN: Carbon Neutrality, https://doi.org/10.1007/s44415-026-00089-6

Climate change mitigation requires innovative approaches across all economic sectors, and agriculture plays a pivotal role in carbon trading and sequestration. The carbon market plays a critical role in climate change mitigation while also providing financial incentives. The Clean Development Mechanism, a predecessor of all carbon credit schemes, has mostly focused on the compliance mechanism. Developing countries such as India, with vast lands under agrarian landholdings, need to seize the opportunities presented by the evolving voluntary carbon market (VCM). However, this potential remains largely unexplored, partly due to a lack of awareness and reluctance stemming from the procedural hurdles in securing VCM projects. The study revealed significant implementation challenges, including high upfront costs, extended payback periods of 5–10 years, limited market access for smallholder farmers, and knowledge gaps in carbon sequestration practices. This study examines the potential of carbon trading and sequestration within agroforestry and cropland management systems as market-based solutions to reduce greenhouse gas emissions and provide economic incentives to farmers. Technological innovations, including satellite monitoring, AI-based carbon accounting tools, and blockchain verification systems, have revolutionize carbon measurements, reporting and verification, and trading transparency. This study also presents a comprehensive policy roadmap that emphasizes the integration of traditional farming practices with modern carbon-efficient models.

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Peer-reviewed Publications

Meng et al. (2026): The Effect of Biochar on Saline-alkali soil Amelioration and its Carbon Sequestration and Emission Reduction Effects

Xingyao Meng, Liuxia Li, Hanjie Yang, Zifan Huang, Jinglin Li, Pan Wang and Lianhai Ren, IN: Journal of Soil Science and Plant Nutrition, https://doi.org/10.1007/s42729-026-03277-7

Biochar, a carbon-rich porous material derived from biomass, holds significant potential for saline-alkali soil remediation and carbon sequestration. To address gaps in existing reviews regarding feedstock-soil type matching effects and the synergistic mechanisms between soil improvement and carbon sequestration, this review systematically elucidates the multi-pathway remediation mechanisms of biochar.

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Peer-reviewed Publications

Chandran & Kumar (2026): Use of Nanomaterials for Carbon Sequestration in Soil

Arathi Chandran and Ashok Kumar, IN: Springer Nature, https://doi.org/10.1007/978-981-96-4489-6_36-1

Cutting-edge developments, particularly in nanotechnology, are revolutionizing the way of management of carbon in soil. Nanomaterials such as biochar nanoparticles, carbon nanotubes, graphene, nano-silica, nano-zeolites, nano-lime, nano-ZnO, nano-Fe, nano-Al₂O₃, and lithium silicate nanoparticles possess distinct properties like high surface area, chemical stability, and adjustable surface functionalities that enhance soil aggregation, promote organo-mineral interactions, and stabilize carbon in recalcitrant forms. This chapter provides insight into how nanomaterials can enhance soil carbon sequestration, as well as how they improve the durability of carbon storage and contribute to soil health and sustainable agricultural productivity.

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Peer-reviewed Publications

Rineau et al. (2026): Enhanced weathering leads to substantial C accrual on crop macrocosms

Francois Rineau, Alexander H. Frank, Jannis Groh, Kristof Grosjean, Arnaud Legout, Daniil I. Kolokolov, Michel Mench, Maria Moreno-Druet, Benoît Pollier, Virmantas Povilaitis, Johanna Pausch, Thomas Puetz, Tjalling Rooks, Peter Schröder, Wieslaw Szulc, Beata Rutkowska, Xander Swinnen, Sofie Thijs, Harry Vereecken, Janna V. Veselovskaya, Mwahija Zubery, Renaldas Žydelis, and Evelin Loit, IN: Biogeosciences, https://doi.org/10.5194/bg-23-2261-2026

Enhanced weathering (EW) is proposed as a key strategy for climate change mitigation and carbon dioxide removal technology. Dissolution of silicate minerals enhances the alkalinity of the pore water, resulting at a shift of the carbonate system towards carbonate and bicarbonate, leading to higher dissolved inorganic carbon when the water is equilibrated with the atmosphere. Here, the authors evaluated the effects of EW on a crop ecosystem under future climate change conditions within a macro-scale ecotron – an enclosed facility enabling complete quantification of carbon fluxes among the atmosphere, vegetation, soil, and leachates. They monitored all greenhouse gases in deep mesocosms representative of marginal soil conditions and, after liming and fertilization, applied 10 t ha−1 of basalt at the start of the experiment.

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Peer-reviewed Publications

Slessarev et al. (2026): Assessing the Effect of a Deep-Rooted Grass on Belowground Carbon Storage in Cultivated Land: Insights From a Multi-Site US Study

Eric W. Slessarev, Jennifer Pett-Ridge, Kyungjin Min, Asmeret Asefaw Berhe, Srabani Das, Randall D. Jackson, Julie D. Jastrow, Megan Kan, Sandeep Kumar, Todd Longbottom, Karis J. McFarlane, Erik Oerter, Brian K. Richards, G. Philip Robertson, Gregg R. Sanford, Erin E. Nuccio, IN: Earth’s Future, https://doi.org/10.1029/2025EF007102

Agriculture depletes soil organic carbon (SOC), partly due to the exclusion of deep-rooted perennials. Reintroducing deep-rooted perennials to cultivated land may help to mitigate SOC loss. The authors quantified the effect of deep roots on SOC by comparing 8 to 30 year-old stands of switchgrass (Panicum virgatum L.) with paired annual row crop fields at 12 sites across the central and eastern USA.

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Peer-reviewed Publications

Shi et al. (2026): Soil carbon sequestration exhibits differential mechanisms in two textured paddy soils under long-term green manuring

Siwei Shi, Danna Chang, Guopeng Zhou, Songjuan Gao, Ting Liang, Jun Nie, Jing Huang, and Weidong Cao, IN: Agriculture, Ecosystems & Environment, https://doi.org/10.1016/j.agee.2026.110342

Green manure-rice rotation is an effective strategy for enhancing crop productivity and increasing soil organic carbon (SOC) stocks. However, the mechanisms driving SOC accumulation in functionally distinct fractions remain unclear. This study examined the response of particulate and mineral-associated organic carbon (POC and MAOC) to a green manure-rice-rice (GM) rotation in two long-term field experiments with contrasting clay contents (silty clay loam and silt loam).

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Peer-reviewed Publications

Wu et al. (2026): Laboratory incubation reveals greater soil carbon stabilization by coniferous leaf litter than by broadleaf leaf litter despite slower decomposition

Panpan Wu, Ting Wu, Yun Zhang, Yidong Ding, Zhanfeng Liu, Rong Mao, IN: Journal of Plant Ecology, https://doi.org/10.1093/jpe/rtag040

Plant growth forms influence soil organic carbon (SOC) turnover through litter quality, yet their impacts on SOC formation pathways (particulate [POC] vs. mineral-associated [MAOC]) remain poorly understood in forest ecosystems. The authors collected leaf litter of deciduous broadleaf (4 species), evergreen broadleaf (5 species), and evergreen coniferous trees (3 species) in a subtropical forest. Using natural δ13C abundance, they traced litter-derived carbon flows into POC and MAOC pools during a 360-day laboratory incubation. Despite 18–32% lower mass loss, coniferous litter contributed 1.4- to 2.1-fold more to net SOC accumulation than broadleaf litter.

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Peer-reviewed Publications

Ihasusta et al. (2026): Choosing the appropriate methodology to monitor soil organic carbon (SOC) in croplands: aligning methods with evolving monitoring reporting verification (MRV) frameworks

Ainhoa Ihasusta, Ahmad Al Bitar, Niels H. Batjes, Fenny van Egmond et al., IN: Taylor & Francis, https://doi.org/10.1080/17583004.2026.2638317

Monitoring soil organic carbon (SOC) has gained significant recognition, not only for national greenhouse gas inventories but also for voluntary carbon markets and agri-environmental policies. This has amplified the need for accurate, continuous, and cost-effective SOC stock monitoring from field to national scales. Consequently, methodological frameworks have emerged to address these diverse needs. They rely on measurement and/or modeling of the SOC, considering several complexities (Tiers 1, 2 and 3), combined or not with remote sensing. However, practical implementation guidelines for choosing the most suitable monitoring approach for specific contexts and purposes remain incomplete. Therefore, this study analyses current SOC monitoring methodologies for croplands and proposes a decision tree to help MRV stakeholders select the monitoring strategy considered most appropriate for their context.

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