My understanding is that vermiculite is a mica, hence a metamorphozed clay,
and reverts to the same in a short time. Does your soil need it? And is
vermiculite the most ecologically and cost effective way to do what it does?
-Rick
>> How do folks feel about vermiculite as a soil amendment in
>> permaculture gardens? It's not the type of thing you'd add every year,
>> but once when preparing soil to get something started.
>>