On 25/10/2012 22:36, Bob Hobden wrote:
"David Hill" wrote ...

I am wondering what effect a liberal dose of ground limestone as well
as a load of limestone gravel would have on an acid soil, with an eye
to making it more suitable for grapes.

The roots of Grape vines go deep, very deep, so what is under your topsoil?


Clay overlying rock, we are on the side of a mountain, but I'm not
certain of the type of rock, but we are on old pasture that never saw lime.