hey all, i got a friend who says that volcanic rock dust contains more minerals and trace elements than in soil, like 20 more or something, he also says plants get 80% of nitrogen from da air woooo maby he was high, but this was before we smoked. he says if i use it on mt plants the stem with be as thick as a finger or something rediculous, he also said that u gotta keep the leaves trimmed,for oxygen content or somthin but this sounds like a bit to harsh on my babies, is this true? has Anyone used volcanic rock dust b4? i hav it worked quite good ah