On Sun, Mar 23, 2014 at 12:17 PM, Matthew DeBlock <[log in to unmask]> wrote: > *just hope people don''t use it as an excuse to mutilate trees though. I > am not 100% sure, but I imagine carving text into the bark is less harmfull > to a tree than a bunch of iron nails. > Actually, putting iron nails into trees is a forestry method for treating iron deficiency. Cutting into the bark is more harmful, as it disrupts more of the cambium, which is the only part of the trunk that's alive. Matt G.