Re: Plot preparation: Cardboard...is it toxic?
- --- In firstname.lastname@example.org, "Travis Philp" <trphilp@...> wrote:
>discussions you told me about but they didn't talk about cardboard
> Thanks for the tip Andrea. I checked out those "heavy metal"
>I just happened to read about this in Patrick Whitefield's book "The
> Does anyone else know whether cardboard is safe or not?
Earth Care Manual" (highly recommended btw). On p197 it says "This was
a problem in the past but heavy metals have now been eliminated from
inks... this is dramatically illustrated by the analysis of recycled
paper mill sludge.... it turns out that the content of heavy metals in
the sludge is lower than in most natural soils." I think you can be
safe in using cardboard, whether with or without ink.
Here are some photos of our new raised beds complete with cardboard mulch!