2017
DOI: 10.1515/boku-2017-0004
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Soil aggregation and soil organic matter in conventionally and organically farmed Austrian Chernozems / Bodenaggregation und organische Substanz in konventionell und biologisch bewirtschafteten österreichischen Tschernosemböden

Abstract: SummaryIn order to study the soil aggregate distributions and soil organic matter (SOM), we sampled top-and subsoils in four intensively farmed croplands (two organic (Org-OB and Org-LA), and two conventional (Con-OB and Con-LA)) on Haplic Chernozems located in Marchfeld in the east of Vienna (Austria). Soil structure and SOM quantity, quality and distribution between free and occluded particulate organic matter and aggregate size fractions (<20 µm, 20-250 µm, 250-5000 µm) were studied by following a density f… Show more

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Cited by 3 publications
(1 citation statement)
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“…Under such circumstances, clay-and microaggregateprotected SOC pools play only a minor role and SOC is largely stored as POM in macroaggregates (>250 µm). Macroaggregates form in conditions featuring abundant sand fraction, litter-or root-derived POM, and the presence of microaggregates [33,74]. The evidence of substantial POM presence was provided by the relatively high C:N ratio, especially in the subsoil.…”
Section: Role Of Parent Materialsmentioning
confidence: 99%
“…Under such circumstances, clay-and microaggregateprotected SOC pools play only a minor role and SOC is largely stored as POM in macroaggregates (>250 µm). Macroaggregates form in conditions featuring abundant sand fraction, litter-or root-derived POM, and the presence of microaggregates [33,74]. The evidence of substantial POM presence was provided by the relatively high C:N ratio, especially in the subsoil.…”
Section: Role Of Parent Materialsmentioning
confidence: 99%