[quote=Bob Hobden;819660]"Jake D" wrote after
"Bob Hobden" wrote:[color=blue][i]

Plastic sheeting will have no benefit for such a short period and can
alter
the pH of the soil over an extended period anyway. Green manure I don't
use
as I've had a very bad experience with it.[\QUOTE]

You might be better using black pervious membrane and planting seedlings etc through it, at least the soil gets moisture and some air, but just do strips of it and hoe the rest. My suggestion would be try a small area this year and see how it goes.