Best medium for growing in aquaponics or soil based medium

I have been doing my own growing in my back yard for quite a while and found a few thing about growing. If you look at soil all over the earth one thing is pretty apparent and that is the mineral content. Trace minerals are just as important in plant production as basic nutrients in the soil. After many hours of research I have found a few thing about the best ways to grow plants and aquaponics seems to have really made things click for me.