The blueprint for designing a substrate, whether it be for germinating seed, rooting cuttings, or finishing a crop, should focus on a balanced root environment. Simply stated, the root environment consists of physical, chemical, and biological properties. Interaction between these three properties forms a complex control over plant and root health.
These three properties interact with each other to provide a balanced and ideal environment to sustain and promote root development and create the foundation for the plant. If any of these properties are substandard, the overall health and performance of the root will be jeopardized. An ideal rooting medium must have sufficient air, easily available water, and good drainage.
This article will focus only on the physical aspects of the root environment, specifically aeration.
ISHS members & pay-per-view
(PDF 93594 bytes)
IPPS membership administration
ISHS membership administration