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