"Joe Yudelson" > wrote in message
.. .
> Hi: Browning at the edges of grape leaves usually signifies potassium
> deficiency. I would spread about l/2 pound of potassuium chloride per
> plant.

If potassium deficiency is the problem, wouldn't potassium phosphate or
potassium nitrate be more appropriate? I'd expect that the nitrogen or
phosphorus would be more useful to the plants than chloride.

Tom S