Tag Archive: air porosity

Air Porosity and Water-Holding Ability of Media Components

Soilless Media Mixes By Marla Faver, Sun Gro Technical Specialist Most soilless growing media are composed of multiple components with distinct physical properties that fit together to form pore spaces of various sizes. Coarse particles create larger pores (macropores) that maintain air spaces and facilitate drainage, while fine particles create smaller pores (micropores) that hold available (and unavailable)… View Article Read more about Air Porosity and Water-Holding Ability of Media Components »