We get asked questions all the time about sol conditions and other elements that effect choice and growing of seed.
Here are some ideas for helpful links:
1. More info on food plot soil analysis: http://agsource.crinet.com/page312/WildlifeFoodPlotSoilAnalysis
2. ONline request soil test kit: http://agsource.crinet.com/page488/OrderWildlifePlotKits
3. Email Chris Clark-AgSource Wildlife food plot contact (firstname.lastname@example.org)