| Start at the following link; they should know. |
Here is a link that might be useful: Fairfax extension
| In addition to Tom's link above, the link below is to VCE's Soil Sampling Bulletin. Tells you "everything you ever wanted to know" about soil sampling/testing in Virginia LOL. Rick |
Here is a link that might be useful: VCE Soil Sampling for the Home Gardener (pdf)