Cited by 6,267Soil Management and Crop YieldSoil Carbon and Nitrogen DynamicsSoil erosion and sediment transport

Organic matter and water-stable aggregates in soils

TISDALL, J. M., OADES, J. M.·1982·Journal of Soil Science

Abstract

Summary The water‐stability of aggregates in many soils is shown to depend on organic materials. The organic binding agents have been classified into (a) transient , mainly polysaccharides, (b), temporary , roots and fungal hyphae, and (c) persistent , resistant aromatic components associated with polyvalent metal cations, and strongly sorbed polymers. The effectiveness of various binding agents at different stages in the structural organization of aggregates is described and forms the basis of a model which illustrates the architecture of an aggregate. Roots and hyphae stabilize macro‐aggregates, defined as > 250 μm diameter; consequently, macroaggregation is controlled by soil management (i.e. crop rotations), as management influences the growth of plant roots, and the oxidation of organic carbon. The water‐stability of micro‐aggregates depends on the persistent organic binding agents and appears to be a characteristic of the soil, independent of management.

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Crossref · 10.1111/j.1365-2389.1982.tb01755.x

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  • Observed increases in SOM were likely mediated by greater aggregation, as aggregation is one of the primary mechanisms of SOM stabilization via physical protection and microbial habitat, and we observed a 5-fold increase in both SOM and wet aggregate stability over the chronosequence.

    “Observed increases in SOM were likely mediated by greater aggregation, as aggregation is one of the primary mechanisms of SOM stabilization via physical protection and microbial habitat (Tisdall and Oades, 1982;Gupta and Germida, 2015), and we observed a 5-fold increase in both SOM and wet aggregate stability over the chronosequence.”

    From Ecosystem Impacts and Productive Capacity of a Multi-Species Pastured Livestock System (2020) · cites this paper as Tisdall and Oades, 1982

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Authors
TISDALL, J. M., & OADES, J. M.
Affiliations
  • Agriculture Victoria (AU)
  • The University of Adelaide (AU)
Venue
Journal of Soil Science
Publisher
Wiley
Published
1982-06
Volume
33
Issue
2
Pages
141-163
ISSN
0022-4588 (ISSN-L)
OpenAlex
W2139405554
Cited by
6,267
References
0
Citations by year
2026: 235 · 2025: 282 · 2024: 292 · 2023: 299 · 2022: 314 · 2021: 327 · 2020: 347 · 2019: 271 · 2018: 282 · 2017: 269 · 2016: 226 · 2015: 237 · 2014: 243 · 2013: 229 · 2012: 223
FWCI
37.86
Type
journal article
Language
en
Open access
closed
Locations
Journal of Soil Science (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Management and Crop Yield
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil erosion and sediment transport
Keywords
soil organic matter, water-stable aggregates, polysaccharides, fungal hyphae, microaggregation, crop rotation, soil management, organic carbon oxidation

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