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  1. The bulk density of soil reflects the mass or weight of a certain volume of soil. Soil bulk density determines the infiltration, available water capacity, soil porosity, rooting depth/restrictions, soil microorganism activity, root proliferation, and nutrient availability.

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      Soil porosity is the gap between solid particles, which...

    • Soil Mechanics

      Soil Physics. Markus Berli, Paul D Hallett, in Encyclopedia...

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      Soil bulk density determines the infiltration, available...

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      The process of soil formation generates different horizontal...

  2. The soil bulk density (BD), also known as dry bulk density, is the weight of dry soil (M solids) divided by the total soil volume (V soil). The total soil volume is the combined volume of solids and pores which may contain air (V air) or water (V water), or both (figure 1).

  3. Sep 19, 2011 · What it is: Bulk density is an indicator of soil compaction. It is calculated as the dry weight of soil divided by its volume. This volume includes the volume of soil particles and the volume of pores among soil particles. Bulk density is typically expressed in g/cm3.

  4. Learn about soil bulk density, its relation with soil depth, soil porosity, organic matter, and particle density. The fact sheet also highlights importance of bulk density for crop production as well as its measurements for nutrient/element stock estimation in soil.

  5. Bulk density is an indicator of soil compaction. It affects infiltration, rooting depth, available water capacity, soil porosity and aeration, availability of nutrients for plant use, and activity of soil micro-organisms, all of which influence key soil processes and productivity.

  6. Oven-dry soil bulk density (for short, soil bulk density, or BD) is a key proxy of soil structure and compaction affecting nutrient pools and soil carbon stocks, which are strongly associated with atmospheric carbon dioxide and useful indicators of global changes (Fernández-Ugalde and Tóth, 2017).

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  8. Jan 1, 2014 · Soil bulk density is an integrative soil physical property containing valuable information on its porosity, level of compactness, and strength. It is a key state variable in the estimates of soil hydraulic properties, thus playing an important role in the definition of rainfall–infiltration–runoff–erosion relationships, heat and gas ...

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