"Torsten Brinch" wrote in message
I checked with 3 chemical dealers
in southwest Oklahoma. The sandy soil and high pH clays make it very
dangerous to use Puma at rates to kill wild oats. They won't accept the
liability of spraying it.

Pity you didn't ask on which evidence they base their concerns.

local experience, the very thing that makes a Dane such an expert in US
agriculture

Jim Webster