Update on E -Values of Sun Gro Growing Media

August 2, 2012 6:34 pm

In the last issue of the Sun Gro’er, we introduced the concept of the E-value. It was devised to help answer the common horticultural question: “How quickly will a mix dry out?” The E-value measurement summarizes the duration of time it takes for a mix to dry down in a controlled environment. Rather than just giving “snapshot” information on air and water porosity immediately after saturation, as traditional physical property measures do, the goal of the E-value is to provide information on how a mix performs over time by using a single number (the higher the number the wetter the mix over time) that considers many physical property measurements. –Todd Cavins

Read More in The Sun Gro’er Issue 7/2 (2012)

 

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