"Sheldon" wrote in message
ps.com...
Jack Schmidling wrote:
Marilyn was reading some off-the-wall hype about how red plastic
mulch
under tomatoes will make them grow better and faster. I, of course,
dismissed it as nonsense.

Your comparison is skewed, you are making your unmulched plants
compete with weeds. I would suggest had you kept your unmulched
plants cultivated of weeds they would have equaled or surpassed the
plants surrounded by red plastic sheeting. Actually any medium that
prevents air and moisture from penetrating does not qualify as
mulch,
that's simply a plastic barrier.

I was recently told by someone using it, that that stuff passes air
and moisture.

Bob