Cited by 176Soil Carbon and Nitrogen DynamicsPasture and Agricultural SystemsSoil erosion and sediment transport

Adaptive multi-paddock grazing enhances soil carbon and nitrogen stocks and stabilization through mineral association in southeastern U.S. grazing lands

Open access
Mosier, Samantha, Apfelbaum, Steven, Byck, Peter, Calderon, Francisco, Teague, Richard, Thompson, Ry, Cotrufo, M. Francesca·2021·Journal of Environmental Management

Abstract

Grassland soils are a large reservoir of soil carbon (C) at risk of loss due to overgrazing in conventional grazing systems. By promoting regenerative grazing management practices that aim to increase soil C storage and soil health, grasslands have the potential to help alleviate rising atmospheric CO 2 as well as sustain grass productivity across a vast area of land. Previous research has shown that rotational grazing, specifically adaptive multi-paddock (AMP) grazing that utilizes short-duration rotational grazing at high stocking densities, can increase soil C stocks in grassland ecosystems, but the extent and mechanisms are unknown. We conducted a large-scale on-farm study on five "across the fence" pairs of AMP and conventional grazing (CG) grasslands covering a spectrum of southeast United States grazing lands. We quantified soil C and nitrogen (N) stocks, their isotopic and Fourier-transform infrared spectroscopy signatures as well as their distribution among soil organic matter (SOM) physical fractions characterized by contrasting mechanisms of formation and persistence in soils. Our findings show that the AMP grazing sites had on average 13% (i.e., 9 Mg C ha -1 ) more soil C and 9% (i.e., 1 Mg N ha -1 ) more soil N compared to the CG sites over a 1 m depth. Additionally, the stocks' difference was mostly in the mineral-associated organic matter fraction in the A-horizon, suggesting long-term persistence of soil C in AMP grazing farms. The higher N stocks and lower 15…

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Crossref · 10.1016/j.jenvman.2021.112409

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  • Compared to continuous grazing systems, AMP grazing is thought to bolster SOC accrual by adaptively optimizing grazing frequency, timing, duration, and intensity, thereby increasing SOC inputs, reducing losses, and improving the efficiency of below-ground transformations.

    “Compared to continuous grazing systems, AMP grazing is thought to bolster SOC accrual by adaptively optimizing grazing frequency, timing, duration, and intensity, thereby increasing SOC inputs, reducing losses, and improving the efficiency of below-ground transformations”
  • Multiple studies have demonstrated SOC gains under AMP grazing, alongside broader improvements in ecophysiological indicators of soil health such as enhanced plant community composition and water dynamics.

    “Despite limited long-term data, multiple studies have demonstrated SOC gains under AMP grazing (e.g., Mosier et al., 2021;Stanley et al., 2025), alongside broader improvements in ecophysiological indicators of soil health such as enhanced plant community composition and water dynamics (Apfelbaum et al., 2022;Döbert et al., 2021).”

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Authors
Mosier, S., Apfelbaum, S., Byck, P., Calderon, F., Teague, R., Thompson, R., & Cotrufo, M. F.
Affiliations
  • Colorado State University (US)
  • Applied BioPhysics (United States) (US)
  • Arizona State University (US)
  • Texas A&M University (US)
Corresponding author
Mosier, Samantha
Venue
Journal of Environmental Management
Publisher
Elsevier BV
Published
2021-06
Volume
288
Pages
112409
ISSN
0301-4797 (ISSN-L)
OpenAlex
W3146817844
Cited by
176
References
7
Citations by year
2026: 34 · 2025: 41 · 2024: 34 · 2023: 28 · 2022: 26 · 2021: 13
FWCI
14.73
Type
journal article
Language
en
Open access
Locations
  • Journal of Environmental Management (acceptedVersion)
  • PubMed (publishedVersion)
Funders
McDonald's
Topics
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
  • Life Sciences › Agricultural and Biological Sciences › Forestry › Pasture and Agricultural Systems
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil erosion and sediment transport
Keywords
adaptive multi-paddock grazing, rotational grazing, soil carbon stocks, soil nitrogen stocks, mineral-associated organic matter, soil organic matter fractions, nitrogen isotopes, soil carbon sequestration, nitrogen retention, grassland soils, climate change mitigation
MeSH terms
Carbon, Minerals, Nitrogen, Soil, Southeastern United States, Ecosystem, Grassland

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