In message , Rick McGreal
writes
d) the hoe disturbs the top layer of soil and ancourages a whole lot
more weed seeds to germinate.

Oh....Didn't know that....

OTOH, in the longer term repeated hoeing reduces the quantities of these
whereas not disturbing the top layer would simply leave many of them to
sit and wait until they are disturbed

--
dave @ stejonda

?why do Americans chatter during live theatre?