Bulk, Particle Density & Porosity
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Porosity is also
(1-(Bulk Density/Particle Density)*100
Definition of particle density
Mass of oven dried soil per unit volume of colloids
Definition of Bulk Density
Mass of oven dried soil per unit volume of soil
Particle Density
Mass of oven-dried soil (g) / Volume Colloids (cm^3)
Bulk Density
Mass of oven-dried soil (g) / Volume soil (cm^3)
Bulk density is affected by
soil morphology, porosity, soil organic matter, texture, structure
Definition of porosity
The volume of pores per unit volume of soil
Porosity
Volume pores (cm^3) / Volume colloids+Volume pores (cm^3)