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Pekka Tamminen, Michael Starr

Bulk density of forested mineral soils.

Tamminen P., Starr M. (1994). Bulk density of forested mineral soils. Silva Fennica vol. 28 no. 1 article id 5528. https://doi.org/10.14214/sf.a9162

Abstract

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.

Keywords
bulk density; soil physical properties; regression analysis; organic matter

Published in 1994

Available at https://doi.org/10.14214/sf.a9162 | Download PDF

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