Sun Gro’er Blog

Water Release Curves of Common Growing Media Ingredients

Pressure plate apparatus
A “pressure plate apparatus” for determining soil “water release curves.” (photo courtesy Dr. Mike Evans, University of Arkansas)

Water release curves are used by soil scientists to understand how soils or growing media “hold” and “give up” water. Growing media can hold and “release” water differently depending on the type and percentage of ingredients used in the mix. This information, taken together with E-values, can enhance our customers knowledge to make better judgments on what type of growing media will suit their particular operation. –Shiv Reddy
Read More in The Sun Gro’er Issue 7/2 (2012)