Store bought soil and what's in it.
 

In the LA Times this morning.
The dirt on dirt: Do you know what's in yours? | L.A. at Home | Los Angeles Times

These are the links contained in that article.

Are store-bought soils safe for growing vegetables? -- latimes.com


A city slicker and a farmer in one -- latimes.com


Where to turn for soil testing -- latimes.com


The Dry Garden: L.A. trails San Francisco in the quest to divert food scraps from landfills | L.A. at Home | Los Angeles Times


Experts give the scoop on potting mix -- latimes.com

Re: Store bought soil and what's in it.
 

Thanks for posting this. There was a time when I made all my own and was pretty much exactly what was mentioned: compost, peat and perlite. Sounds like a good time to get back to that.