there are places to send soil samples to. i take mine to the county building in town where my lease is at. costs like $5.00 and get results back in a couple of days. Sending in a sample is the first thing to do. When you take your sample, don't take it from one spot on that food plot, take small amounts from different parts of that food plot. i would also take samples from each area that you want to plant. especially if you have alot of Pine trees around.