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Silva Fennica 1926-1997
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Acta Forestalia Fennica
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Articles containing the keyword 'soil physical properties'

Category : Article

article id 5528, category Article
Pekka Tamminen, Michael Starr. (1994). Bulk density of forested mineral soils. Silva Fennica vol. 28 no. 1 article id 5528. https://doi.org/10.14214/sf.a9162
Keywords: regression analysis; bulk density; soil physical properties; organic matter
Abstract | View details | Full text in PDF | Author Info

Relationships between bulk density and organic matter (OM) content, textural properties and depth are described for forested mineral soils from Central and Northern Finland. Core samples were taken of 0–5, 30–35 and 60–65 cm layers at 75 plots. Three measures of bulk density were calculated: the bulk density of the < 20 mm fraction (BD20), the bulk density of the < 2 mm fraction (BD2), and laboratory bulk density (BDl). BDl was determined from the mass of a fixed volume of < 2 mm soil taken in the laboratory. All three measures of bulk densities were strongly correlated with organic matter content (r ≥ -0.63). Depth and gravel (2–20 mm) content (in the case of BD2) were also important variables. BDl was sensitive to clay contents > 7% but did significantly improve the prediction of both BD2 and BD20 in coarse soils (clay contents ≤ 7%). Predictive models were derived for coarse soils.

  • Tamminen, E-mail: pt@mm.unknown (email)
  • Starr, E-mail: ms@mm.unknown

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