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["Erdman, James" <erdmanj@uwstout.edu>]

I have found that landscaping fabric covered with wood chips, straw, grass, 
or other organic material is fine for a short time, but in the long run, the 
organic material decomposes and becomes another layer of soil which supports 
a good crop of weeds, but these weeds have there roots entangled in the 
fabric and are harder to pull.  I would recommend the thicker layer of wood 
chips, with NO fabric.

Jim Erdman, in Menomonie, WI
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Should I:
B. Use non-woven landscaping fabric and just cover it with a thin layer of 
cedar wood chips (untreated), partially for aesthetic purposes.
If I go with the non-woven landscaping fabric, would 2.8 oz be good-enough, 
or do I need 4 oz non-woven; or 3 oz./5 oz. woven?