http://fyn.ifas.ufl.edu/materials/FY...ok_vSept09.pdf
Vast differences in soil composition exist in TV.
Look it up at the above site or search ifas. If you can't find the answer, contact your county extension agent who works for ifas.
I am in Gilchrist where the fill dirt is clay. some home sites were compacted additionally by construction vehicle traffic. These lawns sorely need aeration and addition of organic material. Scatter topsoil, black kow, and so on, and aerate. Just wearing cleats and clomping through the yard is helpful.