On Sat, 1 Mar 2003 19:54:47 GMT, Janet Galpin and Oliver
Patterson wrote:

...I'd read that Juglans
poisons the soil but wondered whether it was Juglans regia that is
particularly bad.

I've always understood that it is the black walnut, Juglans
nigra, that engages in chemical warfare. The so-called "English"
walnut, J. regia, does not have this reputation afaik.

But I reserve the right to be utterly and spectacularly wrong on
this point!

--
Rodger Whitlock
Victoria, British Columbia, Canada