On Sun, 7 Aug 2005 13:09:59 -0700, "G Burton"
wrote:

I've checked that, and I am within spec. In fact, the problem is just a
few feet from the head.


Once more....you have problem with uniformity. After hundreds of
homeowners consultations over 20 years I'm stilling willing to bet you
have a coverage and not a soil problem!!! Put some tuna cans out in
brown and green spots, run your irrigation for 5 minutes and measure
depth then report back!
Acts of creation are ordinarily reserved for gods and poets. To plant a pine, one need only own a shovel.
-- Aldo Leopold