The impact of long-term liming on soil organic carbon and aggregate stability in low-input acid soils

This study used two field trials with 5 and 34 years of liming histories, respectively, and aimed to elucidate the long-term effect of liming on soil organic C (SOC) in acid soils. It was hypothesized that long-term liming would increase SOC concentration, macro-aggregate stability and SOC concentra...

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Bibliographic Details
Published in:Biology and fertility of soils 2016-07, Vol.52 (5), p.697-709
Main Authors: Aye, Nang Seng, Sale, Peter W. G., Tang, Caixian
Format: Article
Language:English
Subjects:
Acidic soils
Aggregates
Agriculture
Biomass
Biomedical and Life Sciences
Carbon dioxide
Carbon sequestration
Life Sciences
Lime
Liming
Organic carbon
Original Paper
Pasture
Respiration
Soil microorganisms
Soil Science & Conservation
Soil surfaces
Topsoil
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Summary:This study used two field trials with 5 and 34 years of liming histories, respectively, and aimed to elucidate the long-term effect of liming on soil organic C (SOC) in acid soils. It was hypothesized that long-term liming would increase SOC concentration, macro-aggregate stability and SOC concentration within aggregates. Surface soils (0–10 cm) were sampled and separated into four aggregate-size classes: large macro-aggregates (>2 mm), small macro-aggregates (0.25–2 mm), micro-aggregates (0.053–0.25 mm) and silt and clay fraction (
ISSN:0178-2762
1432-0789
DOI:10.1007/s00374-016-1111-y