Arlyn,
When I first stated gardening here I did buy a soil test Meter, yeah one of those. It is suppose to give the ph and tell if the soil is fertile, what ever that means. I always get the same reading no matter where I take it, and later I read that the meters were pretty much a joke. I am pretty good actually at experimenting with things, but I also love to read other peoples experiments and see what they come up with. I am convinced that the large part of fertilizer and additives are more for the sake of the gardener than the plants. Kinda like fishing lures, I am totally convinced they are designed to catch fishermen and not fish.