The Homegrown Mailbox: How and Where Do I Get My Soil Tested?
...rs or stick to ornamentals. You could also try bioremediation: each season plant a cover crop, let it grow, and then pull it up and dispose of it. Test the soil until it comes out clean. This works well, but it can take many years to get all the contaminants out. For those of you in Los Angeles, our local Extension Service agent Yvonne Savio kindly sent me the following list of labs with comments. Biological Urban Gardening Service PO Box 76 Citru...