Media Selection — Reality Speaks   Greenhouse Product News December 2007   By Hugh A. Poole
The concept of media selection comes straight from the textbook and every how-to-grow lecture. Most growers can identify the perfect combination of media components for ideal plant growth, and every research project can define the proper physical and chemical properties of a growing medium for a specific crop. But the reality of growing is entirely different.

Biological Control Of Soilborne Pathogens In Soilless Potting Mixes   Greenhouse Product News June 2007   By George Elliott, Wade Elmer and Anuthep Pasura
The favorable environment for soilborne pathogens has to occur in the growing medium: Read on to understand how biological controls and soilless potting media affect soilborne pathogens in the greenhouse.
PDF Version