dd wrote:

Thanks for all the advice! We will do Roundup followed by plastic. The
BIG ROCKS idea is great too--and there's no shortage of them.


Rutgers University had a huge field that was basically in wild orchard
grasses. They wanted to reseed it with a good field grass blend. They
sprayed it with roundup. Then a couple days later, they sewed the new
lawn seed. The new seed germinated and came it at about the same rate
as the old lawn died. Most people didn't even realize there was a
change since it happened so smoothly and with such a gradual transition.
There was so little residual roundup in the soil that it had no effect
on the new turf.

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