Agriculture & Soil

Intermediate

Soil Bulk Density

Dry soil mass per unit volume — a measure of compaction.

Formula

\rho_b = \frac{m_s}{V}

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Variables

ρ_bBulk density (g/cm³)

m_sDry soil mass (g)

VVolume (cm³)

Example

m_s=1350 g, V=1000 cm³: ρ_b = 1.35 g/cm³

Did You Know?

Above ~1.6 g/cm³ soil is so compacted that roots struggle to push through it.

agriculture soil density

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