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Re: Nitrogen sources - thankyou Roger


Thanks for clearing up the matter.

"So the plants' second response to a
nitrogen shortage is to drop some of their older leaves.  In some plants
this is a very distinctive process, with the leaves dying back from the
tip to the base of the leaf along a V-shaped line centered at the central

I guess this MAY explain why I have new (but slow) growth while the old
leaves simply die away as they very gradually get clogged up with algae.

Andy Moore  -  (andy at ascot_u-net.com)
Poulton-le-Fylde, Nr Blackpool
Lancashire. GB

Treasurer/BBb Tuba Player Poulton-le-Fylde Brass Band
and Aquatic Plant/Discus collector