In article ,
Omelet wrote:

Oh, in response to the OP. Grapes make better wine if they are nitrogen
and water stressed. If water and nitrogen are available, ad libitum,
they will vegetate and not set fruit.

Add more Bone Meal to the soil?

With grapes, the roots don't need it. I would worry about encouraging
excessive fruit by adding excessive bone meal. One way of producing
higher quality wines is to drop (cut-off) part of the crop (1/4 - 1/2).
Normally, growers are looking at around 4 1/2 tons per acre, if it is
less than that, then bone meal would probably be helpful.
--

Billy

Bush & Cheney, Behind Bars