Re: RE: Weeds

BILL DUESING <71042.2023@compuserve.com> writes:

>Also there have been several articles in Science News in the past year which
>reported on the effects of excess nitrogen.  It seems to push toward weedy
>species (from native species to such invaders as quack grass, for example).

Although of course nutrient deficiency (particularly N,P,K,S) is a far 
more common cause of the loss of more productive species leading to the 
invasion of "weeds".

Stuart Brown.