On Thu, 9 Mar 2006 21:46:26 -0000, "Mike Lyle"
wrote:


|The cheapest weedkiller is sodium chlorate; but that persists in the
|soil,

Only for a year.
--
Dave Fawthrop dave hyphenologist co uk
Freedom of Speech, Expression, Religion, and Democracy are
the keys to Civilization, together with legal acceptance of
Fundamental Human rights.