Learn More › When it comes down to vermiculite vs. perlite, the names may prejudice you in favor of the second contender.

A MARKED effect of the ammonium ion on release and fixation of potassium by vermiculite has been shown by many workers. The presence of ammonium ions in an extracting solution inhibits the removal ...

Gardeners and horticulturists have been using vermiculite in plant propagation for many years. It's particularly useful when ...